Universityof Durham

Department of Chemistry

Dr. J. A. Gareth Williams

 


Publications

(133) L. Murphy, P. Brulatti, V. Fattori, M. Cocchi and J.A.G. Williams, Blue-shifting the monomer and excimer phosphorescence of tridentate cyclometallated platinum(II) complexes for optimal white-light OLEDs, Chem. Commun. 2012, 48, 5817-5819.

(132) R. Muñoz-Rodriguez, E. Buñuel, J. A. G. Williams and D. J. Cárdenas, Divergent luminescence behaviour from differential interactions in dinuclear Pt, Au, and mixed Pt-Au complexes built on a xanthene scaffold, Chem. Commun. 2012, in press.

(131) L. Ordronneau, H. Nitadori, I. Ledoux, A. Singh, J. A. G. Williams, M. Akita, V. Guerchais and H. Le Bozec, Photochromic metal complexes: photoregulation of both the nonlinear optical and luminescence properties, Inorg. Chem. 2012, 51, 5627-5636.

(130) E. Baggaley, J.A. Weinstein and J.A.G. Williams, Lighting the way to see inside the cell with luminescent transition metal complexes, Coord. Chem. Rev. 2012, in press.

(129) P. Brulatti, R. J. Gildea, J. A. K. Howard, V. Fattori, M. Cocchi and J. A. G. Williams, Luminescent iridium(III) complexes with N^C^N-coordinated ligands: dual tuning of the emission energy and application to organic light-emitting devices (OLEDs), Inorg. Chem. 2012, 51, 3813-3826.

(128)  E. Rossi, A. Colombo, C. Dragonetti, D. Roberto, R. Ugo, A. Valore, L. Falciola, P. Brulatti, M. Cocchi and J.A.G. Williams, Novel N^C^N–cyclometallated platinum complexes with acetylide coligands as efficient phosphors for OLEDs, J. Mater. Chem. 2012, 22, 10650-10655.

(127)  G.R. Freeman and J.A.G. Williams,  Metal complexes of pincer ligands: excited states, photochemistry, and luminescence, Top. Organomet. Chem., 2012, in press.

(126) K. Beydoun, M. Zaarour, J.A.G. Williams, H. Doucet and V. Guerchais, Palladium-catalysed direct arylation of a tris-cyclometallated Ir(III) complex bearing 2,2'-thienylpyridine ligands: A powerful tool for the tuning of luminescence properties, Chem. Commun., 2012, 48, 1260-1262.

(125)  A. Rausch, L. Murphy, J.A.G. Williams, H. Yersin, Improving the performance of Pt(II) complexes for blue light emission by enhancing the molecular rigidity, Inorg. Chem. 2012, 51, 312-319.

(124)  A.M. Prokhorov, A. Santoro, J.A.G. Williams and D.W. Bruce, Phosphorescent mesomorphic dyads based on tetraacetylethane complexes of iridium(III), Angew. Chem. Int. Ed. 2012, 51, 95-98.

(123)  E. Rossi, L. Murphy, P.L. Brothwood, A. Colombo, C. Dragonetti, D. Roberto, R. Ugo, M. Cocchi and J.A.G. Williams, Cyclometallated platinum(II) complexes of 1,3-di(2-pyridyl)benzenes: tuning excimer emission from red to near-infrared for NIR-OLEDs, J. Mater. Chem. 2011, 21, 15501-15510.

(122)  E. Anger, M. Rudolph, L. Norel, S. Zrig, C. Shen, N. Vanthuyne, L. Toupet, J. A. G. Williams, C. Roussel, J. Autschbach, J. Crassous and R. Réau, Multifunctional and reactive enantiopure organometallic helicenes: Tuning chiroptical properties by structural variations of mono- and bis-(platinahelicene)s, Chem. Eur. J. 2011, 17, 14178-14198.

(121)  V.N. Kozhevnikov, M.C. Durrant and J.A.G. Williams, Highly luminescent mixed-metal Pt(II)/Ir(III) complexes: bis-cyclometalation of 4,6-diphenylpyrimidine as a versatile route to rigid multimetallic assesmblies, Inorg. Chem. 2011, 50, 6304-6313.

(120)  C. Latouche, P.-H. Lanoë, J.A.G. Williams, V. Guerchais, A. Boucekkine and J.-L. Fillaut,  Switching of excited states in cyclometalated platinum complexes incorporating pyridyl-acetylide ligands (Pt-C≡C-py): a combined experimental and theoretical study, New J. Chem. 2011, 35, 2196-2202.

(119)  W. Mróz, C. Botta, U. Giovanella, E. Rossi, A. Colombo, C. Dragonetti, D. Roberto, R. Ugo, A. Valore and J.A.G. Williams, Cyclometallated platinum(II) complexes of 1,3-di(2-pyridyl)benzenes for solution-processable WOLEDs exploiting monomer and excimer phosphorescence, J. Mater. Chem. 2011, 21, 8653-8661.

(118)  V. Aubert, L. Ordronneau, M. Escadeillas, J.A.G. Williams, A. Boucekkine, E. Coulaud, C. Dragonetti, S. Righetto, D. Roberto, R. Ugo, A. Valore, A. Singh, I. Ledoux, H. Le Bozec and V. Guerchais, Linear and nonlinear optical properties of cationic bipyridyl iridium(III) complexes: tunable and photoswitchable? Inorg. Chem. 2011, 50, 5027-5038.

(117)  D.N. Kozhevnikov, V.N.
Kozhevnikov, M.Z. Shafikov, A.M. Prokhorov, D.W. Bruce and J.A.G. Williams, Phosphorescence versus fluorescence in cyclometallated platinum(II) and iridium(III) complexes of (oligo)thienylpyridines, Inorg. Chem. 2011, 50, 3804-3815.

(116) 
J. Kalinowski, V. Fattori, M. Cocchi and J.A.G. Williams, Light-emitting devices based on organometallic platinum complexes as emitters, Coord. Chem. Rev. 2011, 255, 2401-2425.

(115)  A. Santoro, A.M. Prokhorov, V.N. Kozhevnikov, A.C. Whitwood, B. Donnio, J.A.G. Williams and D.W. Bruce, Emissive metallomesogens based on 2-phenylpyridine complexes of iridium(III), J. Am. Chem. Soc. 2011, 133, 5248-5251.


(114)  P.-H. Lanoe, J.-L. Fillaut, V. Guerchais, H. Le Bozec and J.A.G. Williams, Metal cation-induced modulation of the photophysical properties of a platinum(II) complex featuring a dipicolylanilino-acetylide ligand, Eur. J. Inorg. Chem. 2011, 1255-1259.

(113)  S. Druet, C.O. Paul-Roth, V. Fattori, M. Cocchi and J.A.G. Williams, Platinum and palladium complexes of fluorenyl porphyrins as red phosphors for light-emitting devices, New J. Chem. 2011, 35, 438-444.

(112)  L. Murphy, A. Congreve, L.-O. Palsson and J.A.G. Williams, The time domain in co-stained cell imaging: time resolved emission imaging microscopy using a protonatable luminescent iridium complex, Chem. Commun. 2010, 46, 8743-8745.

(111) 
J. Kalinowski, M. Cocchi, L. Murphy, J.A.G. Williams and V. Fattori, Bimolecular emissive excited states in Pt(II) complexes for high-performance organic light emitting diodes, Chem. Phys. 2010, 378, 47-57.

(110) J. Kalinowski, M. Cocchi, V. Fattori, L. Murphy and J.A.G. Williams, Unified approach to electroluminescence efficiency in organic light-emitting diodes, Organic Electronics, 2010, 11, 724-730.

(109) S. Graule, M. Rudolph, W. Shen, J.A.G. Williams, C. Lescop, J. Autschbach, J. Crassous and R. Réau, Assembly of pi-conjugated phosphole-azahelicene derivatives into chiral coordination complexes: a combined experimental and theoretical study,  Chem. Eur. J.  2010, 16, 5976-6005.

(108)  K.L. Garner, L.F. Parkes, J.D. Piper and J.A.G. Williams, Luminescent platinum complexes with terdentate ligands forming 6-membered chelate rings: advantageous and deleterious effects in N^N^N and N^C^N-coordinated complexes, Inorg. Chem. 2010, 49, 476-487.

(107)  M. Cocchi, J. Kalinowski, L. Murphy, J.A.G. Williams, and V. Fattori, Mixing of molecular exciton and excimer phosphorescence to tune colour and efficiency of organic LEDs, Organic Electronics, 2010, 11, 388-396.

(106)  J.C. Araya, J. Gajardo, S.A. Moya, P. Aguirre, L. Toupet, J.A.G. Williams, M. Escadeillas, H. Le Bozec and V. Guerchais, Modulating the luminescence of an iridium(III) complex incorporating a di(2-picolyl)anilino-appended bipyridine ligand by Zn2+ cations, New J. Chem., 2010, 34, 21-24.

(105)  L. Murphy and J.A.G. Williams, Luminescent platinum compounds: from molecules to OLEDs, Topics in Organometallic Chemistry, 2010, 28, 75-111 (edition on organotransition metal complexes for optics).

(104)  L. Norel, M. Rudolph, N. Vanthuyne, J.A.G. Williams, C. Lescop, C. Roussel, J. Autschbach, J. Crassous and R. Réau, Metallahelicenes: a novel family of easily accessible helicene derivatives exhibiting large and tuneable chiroptical properties, Angew. Chem. Int. Ed. 2010, 49, 99-102.

(103)  P.-H. Lanoë, H. Le Bozec, J.A.G. Williams, J.-L. Fillaut and V. Guerchais, Cyclometallated platinum(II) complexes containing pyridyl-acetylide ligands: the selective influence of lead binding on luminescence, Dalton Trans. 2010, 39, 707-710.

(102)  A. Rausch, L. Murphy, J.A.G. Williams and H. Yersin, Probing the excited state properties of the highly phosphorescent Pt(dpyb)Cl compound by high-resolution optical spectroscopy, Inorg. Chem., 2009, 28, 11407-11414.

(101)  P. Wiggins, J.A.G. Williams and D.J. Tozer,
Excited state surfaces in density functional theory: A new twist on an old problem, J. Chem. Phys. 2009, 131, 091101.


(100) 
J.A.G. Williams, The coordination chemistry of dipyridylbenzene: N-deficient terpyridine or panacea for brightly luminescent metal complexes?, Chem. Soc. Rev., 2009, 38, 1783-1801.

(99) 
A. Santoro, A. C. Whitwood, J.A.G. Williams, V. Kozhevnikov, and D. W. Bruce, Synthesis, mesomorphism and luminescent properties of calamitic 2-phenylpyridines and their complexes with platinum(II), Chem. Mater. 2009, 21, 3871-3882.

(98) 
C. She, J.E. McGarrah, S.J. Lee, J.L. Goodman, S.T. Nguyen, J.A.G. Williams, and J.T. Hupp, Probing exciton localization / delocalization: transient DC photoconductivity studies of excited states of symmetrical porphyrin monomers, oligomers and supramolecular assemblies, J. Phys. Chem. A, 2009, 113, 8182-8186.

(97)  V.L. Whittle and J.A.G. Williams,
Cyclometallated bis-terdentate iridium complexes as linearly expandable cores for the construction of multimetallic assemblies, Dalton Trans. 2009, 3929-3940 (invited contribution to theme edition on Supramolecular Photochemistry).

(96) 
John Haycock, Stanley Botchway, Julia Weinstein and Gareth Williams, Long-life fluorescent imaging of cells in real time, SPIE Newsroom, 2009, DOI: 10.1117/2.1200906.1684.

(95)  M. Cocchi, J. Kalinowski, V. Fattori, J.A.G. Williams and L. Murphy,
Colour-variable highly efficient organic electrophosphorescent diodes manipulating molecular exciton and excimer emissions, Appl. Phys. Lett., 2009, 94, 073309.

(94)  V. Aubert, E. Ishow,
F. Ibersienne, A. Boucekkine, J.A.G. Williams, L. Toupet, R. Métivier, K. Nakatani, V. Guerchais and H. Le Bozec,     A "reverse interruptor": the novel molecular design of a fluorescent photochromic DTE-based bipyridine, New J. Chem., 2009, 33, 1320-1323 (theme edition on photochromic molecules).

(93)  D.L. Rochester, S. Develay, S. Zalis and J.A.G. Williams,
Localised to intraligand charge-transfer excited states in cyclometalated platinum complexes: an experimental and theoretical study into the influence of electron-rich pendants and modulation of excited states by ion binding, Dalton Trans. 2009, 1728-1741.

(92)  V. Fattori, J.A.G. Williams, L. Murphy, M. Cocchi, J. Kalinowski, Organic light sources look forward to optimize the photosynthesis process, Photonics and Nanostructures - Fundamentals and Applications, 2008, 6, 225-230.

(91)  S. Develay, O. Blackburn, A.L. Thompson and J.A.G. Williams, Cyclometalated platinum(II) complexes of pyrazole-based, N^C^N-coordinating, terdentate ligands: the contrasting influence of pyrazolyl and pyridyl rings on luminescence, Inorg. Chem. 2008, 47, 11129-11142.

(90)  S.W. Botchway, M. Charnley, J.W. Haycock, A.W. Parker, D.L. Rochester, J.A. Weinstein and J.A.G. Williams,
Time-resolved and two-photon emission imaging microscopy of live cells with inert platinum complexes, Proc. Natl. Acad. Sci. USA, 2008, 105, 16071-16076.

(89)  A. D'Aléo, A. Picot, A. Beeby, J.A.G. Williams, B. Le Guennic, C. Andraud, O. Maury,
Efficient sensitization of europium, ytterbium and neodymium functionalized tris-dipicolinate lanthanide complexes through tunable charge-transfer excited states, Inorg. Chem., 2008, 47, 10258-10268.

(88)  P.-H. Lanoë, J.-L. Fillaut, L. Toupet, J. A.G. Williams, H. Le Bozec and V. Guerchais,
Cyclometallated platinum(II) complexes incoporating ethynyl-flavone ligands: switching between triplet and singlet emission induced by selective binding of Pb(II) ions, Chem. Commun., 2008, 4333-4335.

(87)  S. Develay and J.A.G. Williams,
Intramolecular excimers based on rigidly-linked platinum(II) complexes: intense deep-red triplet luminescence in solution, Dalton Trans. 2008, 4562-4564.

(86)  J.A.G. Williams, S. Develay, D.L. Rochester and L. Murphy,
Optimising the luminescence of platinum(II) complexes and their application in organic light emitting devices (OLEDs), Coord. Chem. Rev. 2008, 252, 2596-2611, invited contribution to ISPPCC-17 edition.

(85)  V.L. Whittle and J.A.G. Williams, A new class of iridium complexes suitable for stepwise incorporation into linear assemblies: synthesis, electrochemistry, and luminescence, Inorganic Chemistry, 2008, 47, 6596-6607.  (Featured on the front cover of the journal issue).

(84)  M. Cocchi, J. Kalinowski, D. Virgili and J.A.G. Williams,
Excimer-based red / near-infrared organic light-emitting diodes with very high quantum efficiency, Appl. Phys. Lett. 2008, 92, 113302.

(83)  J.A.G. Williams, A.J. Wilkinson and V.L. Whittle,
Perspective article: Light-emitting iridium complexes with tridentate ligands, Dalton Trans. 2008, 2081-2099.

(82)  J.-L. Fillaut, J. Andriés, R.D. Marwaha, P.-H. Lanoë, O. Lohio, L. Toupet, and J.A.G. Williams,
Flavonol based ruthenium acetylides as fluorescent chemosensors for lead ions, J. Organomet. Chem., 2008, 693, 228-234.

(81) 
J. Kalinowski, M. Cocchi, D. Virgili, V. Fattori and J.A.G. Williams, Mixing of excimer and exciplex emission: a new way to improve white light emitting organic electrophosphorescent diodes, Advanced Materials, 2007, 19, 4000-4005.

(80) 
A.J. Wilkinson, D. Maffeo, A. Beeby, C.E. Foster and J.A.G. Williams, Sensitization of europium(III) luminescence by benzophenone-containing ligands: Regioisomers, rearrangements and chelate ring size, and their influence on quantum yields, Inorganic Chemistry, 2007, 46, 9438-9449.

(79) 
J. Kalinowski, M. Cocchi, D. Virgili, V. Fattori and J.A.G. Williams, Electro-photoluminescence in organics, Chem. Phys. Lett., 2007, 447, 279-283.

(78)  J.A.G.Williams, "The Photochemistry and photophysics of coordination complexes – Platinum", eds. V. Balzani and S. Campagna, Topics in Current Chemistry, 2007, 281, 205-268.

(77)  C.O. Paul-Roth, J.A.G. Williams, J. Letessier and G. Simonneaux,
New tetra-aryl and biaryl porphyrins bearing 5,15-related fluorenyl pendants:  The influence of arylation on fluorescence, Tetrahedron Lett. 2007, 48, 4317-4322.

(76)  M. Cocchi, J. Kalinowski, D. Virgili, V. Fattori, S. Develay and J.A.G. Williams
, Single-dopant organic white electrophosphorescent diodes with very high efficiency and its reduced current density roll-off, Appl. Phys. Lett., 2007, 90,163508.

(75) 
J. Kruusma, A. Rhodes, R. Bhatia, J.A.G. Williams, A. Benham and R. Kataky, The effect of a hydrogen bonding environment (dimethyl sulfoxide) on the ionisation and redox properties of the thiol group in cysteine and a protein disulfide isomerase mimic (vectrase), J. Solution Chem., 2007, 36, 517-529.

(74) 
A. Picot, F. Malvolti, B. Le Guennic, P.L. Baldeck, J.A.G. Williams, C. Andraud and O.Maury, Two photon antenna effect induced in octupolar europium complexes, Inorg. Chem., 2007, 46, 2659-2665.

(73) 
M. Cocchi, D. Virgili, V. Fattori, D.L. Rochester and J.A.G. Williams, N^C^N-Coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices, Adv. Funct. Mater., 2007, 17, 285-289.

(72) 
A. Barbieri, F. Barigelletti, C. Sabatini, K.J. Arm and J.A.G. Williams, Fast, through-bond mediated energy transfer from Ir(III) to Ru(II) in di- and tetranuclear heterometallic assemblies: elucidation of a two-step Ir → Ir → Ru energy transfer process, Photochem. Photobiol. Sci., 2007, 6, 397-405 (special issue celebrating the 70th birthday of Vincenzo Balzani).

(71) 
M. Cocchi, D. Virgili, V. Fattori, J.A.G. Williams and J. Kalinowski, Highly efficient near-infrared organic excimer electrophosphorescent diodes, Appl. Phys. Lett., 2007, 90, 023506.

(70)  J. Kruusma, A.M. Benham, J.A.G. Williams and R. Kataky,
A brief overview about the proteins and the processes responsible for the formation of the native-folded thioproteins in the pro- and eukaryotic cells, Portugaliae Electrochim. Acta 2006, 24, 207-228.

(69)  D. Virgili, M.Cocchi, V. Fattori, C. Sabatini, J. Kalinowski and J.A.G. Williams, Highly efficient exciplex phosphorescence from organic light-emitting diodes, Chem. Phys. Lett., 2006, 433, 145-149.

(68) 
J. Kalinowski, M. Cocchi, D. Virgili, V. Fattori and J.A.G.Williams, Evidence for electric field dependent dissociation of exciplexes in electron donor–acceptor organic solid films, Chem. Phys. Lett., 2006, 432, 110-115.

(67) 
A.J. Wilkinson, H. Puschmann, J.A.K. Howard, C.E. Foster and J.A.G. Williams, Luminescent complexes of iridium(III) containing N^C^N-coordinating terdentate ligands, Inorg. Chem., 2006, 45, 8685-8699.

(66)  B. Yin, F. Niemeyer, J.A.G. Williams, J. Jiang, A. Boucekkine, L. Toupet, H. Le Bozec and V. Guerchais, Synthesis, structures and photophysical properties of luminescent platinum(II) complexes containing cyclometallated 4-styryl-functionalized 2-phenylpyridine ligands, Inorg. Chem., 2006, 45, 8584-8596.

(65) 
K. Sénéchal-David, A. Hemeryck, N. Tancrez, L. Toupet, J.A.G. Williams, I. Ledoux, J. Zyss, A. Boucekkine, J.-P. Guégan, H. Le Bozec and O. Maury, Synthesis, structural studies, theoretical calculations, linear and nonlinear optical properties of terpyridyl lanthanide complexes: new evidence for the contribution of f electrons to the NLO activity, J. Am. Chem. Soc., 2006, 128, 12243-12255.

(64)  S. Dias-Gunasekara, M. van Lith, J.A.G. Williams, R. Kataky and A.M. Benham,
The FAD binding domain prevents stress-induced misfolding of the endoplasmic reticulum oxidoreductase Ero1β, J. Biol. Chem., 2006, 281, 25018-25025.

(63) 
K.J. Arm and J.A.G. Williams, A cross-coupling strategy for the synthesis of dimetallic assemblies containing mixed bipyridine-terpyridine bridging ligands: luminescence and energy transfer properties, Dalton Trans., 2006, 2172-2174.

(62) 
R.C. Evans, P. Douglas, J.A.G. Williams and D.L. Rochester, A novel luminescence-based colorimetric oxygen sensor with a "traffic light" response, J. Fluorescence, 2006, 16, 201-206 (special issue on Methods and Applications in Fluorescence Spectroscopy).

(61) 
J. Kruusma, A.M. Benham, J.A.G. Williams and R. Kataky, An introduction to thiol redox proteins in the endoplasmic reticulum and a review of current electrochemical methods of detection of thiols, Analyst, 2006, 131, 459-473.

(60)  K.J. Arm, W. Leslie and J.A.G. Williams,
Synthesis and pH-sensitive luminescence of bis-terpyridyl iridium(III) complexes incorporating pendent pyridyl groups, Inorg. Chim. Acta, 2006, 359, 1222-1232.  Also featured in Platinum Metals Review, April 2006.

(59)  S.J. Farley, D.L. Rochester, A.L. Thompson, J.A.K. Howard and J.A.G. Williams,
Controlling emission energy, self-quenching and excimer formation in highly luminescent N^C^N-coordinated platinum(II) complexes, Inorg. Chem., 2005, 44, 9690-9703.

(58)  S. Dias-Gunasekara, J. Gubbens, M. van Lith, C. Dunne, J.A.G. Williams, R. Kataky, D. Scoones, A. Lapthorn, N. Bulleid and A.M. Benham,
Tissue specific expression and dimerisation of the endoplasmic reticulum oxidoreductase Ero1-beta, J. Biol. Chem., 2005, 280, 33066-33075.

(57)  A.J.S. Bexon and J.A.G. Williams,
Luminescent complexes of iridium(III) with 6'-phenyl-2,2'-bipyridine and 4'-aryl derivatives: N^C versus N^N coordination, Comptes Rendus Chimie, 2005, 8, 1326-1335 (special issue on Molecular Materials).

(56)  A.M. Costero, J. Sanchis, S. Gil, V. Sanz and J.A.G. Williams,
Polyamine biphenyl derivatives as fluorescent sensors for anions and cations, J. Mater. Chem., 2005, 15, 2848-2853 (special issue on Fluorescent Sensors).

(55)  K.J. Arm and J.A.G. Williams
, Boronic acid-substituted metal complexes: versatile building blocks for the synthesis of multimetallic assemblies, Chem. Commun., 2005, 230-232.  "Hot Paper"  - available free of charge at http://xlink.rsc.org/?DOI=b414929g

(54)  A.J. Wilkinson, A.E. Goeta, C.E. Foster and J.A.G. Williams, Synthesis and luminescence of a charge-neutral cyclometalated iridium(III) complex containing N^C^N- and C^N^C-coordinating terdentate ligands, Inorg. Chem., 2004, 43, 6513-6515.

(53)  W. Leslie, R.A. Poole, P.R. Murray, L.J. Yellowlees, A. Beeby and J.A.G. Williams, Near infra-red luminescence from bis-terpyridyl iridium(III) complexes incorporating electron-rich pendants, Polyhedron, 2004, 23, 2769-2777.

(52)   A.M. Costero, J. Sanchis, S. Gil, V. Sanz, M.C. RamÌrez de Arellano and J.A.G. Williams, Polyazapodands derived from biphenyl. Study of their behaviour as conformationally regulated fluorescent sensors, Supramol. Chem., 2004, 16, 435-446.

(51)   A.M. Costero, S. Gil, J. Sanchis, S. Peransí, V. Sanz and J.A.G. Williams, Conformationally regulated fluorescent sensors. Study of the selectivity in Zn2+ versus Cd2+ sensing, Tetrahedron, 2004, 60, 6327-6334.

(50)  W. Leslie, A.S. Batsanov, J.A.K. Howard and J.A.G. Williams, Cross-couplings in the elaboration of luminescent bis-terpyridyl iridium complexes: the effect of extended or inhibited conjugation on emission, J. Chem. Soc., Dalton Trans., 2004, 623-631.

(49)  J.A.G. Williams, A. Beeby, E.S. Davies, J.A. Weinstein and C. Wilson, An alternative route to highly luminescent platinum(II) complexes: cyclometalation with N^C^N-coordinating dipyridylbenzene ligands, Inorg. Chem., 2003, 42, 8609-8611.

(48)  D. Maffeo and J.A.G. Williams, Intramolecular sensitisation of europium(III) luminescence by 8-benzyloxyquinoline in aqueous solution, Inorg. Chim. Acta, 2003, 355, 133-142.

(47)  D. Parker and J.A.G. Williams, "Responsive luminescent lanthanide complexes", in "Metal Ions in Biological Systems, Volume 40: The lanthanides and their interactions with biosystems", ed. A. Sigel and H. Sigel, Marcel Dekker, New York, 2003.

(46)  B.G. Davis, D.P.G. Emmerson and J.A.G. Williams, "Oxidation and Reduction" in "Organic Reaction Mechanisms 1998", ed. A.C. Knipe and W.E. Watts, John Wiley: Chichester, 2003, chapter 5, pages 217-252.

(45)  W. Goodall, K. Wild, K.J. Arm and J.A.G. Williams, The synthesis of 4'-aryl substituted terpyridines by Suzuki cross-coupling reactions: substituent effects on ligand fluorescence, J. Chem. Soc., Perkin Trans. 2, 2002, 1669-1681.

(44)  A. Beeby, S. Faulkner and J.A.G. Williams, pH-Dependence of the energy transfer mechanism in a phenanthridine-appended ytterbium complex, J. Chem. Soc., Dalton Trans., 2002, 1918-1922.

(43)  A. Beeby, L.M. Bushby, D. Maffeo and J.A.G. Williams, Intramolecular sensitisation of lanthanide(III) luminescence by acetophenone-containing ligands: the critical effect of para-substituents and solvent, J. Chem. Soc., Dalton Trans., 2002, 48-54.

(42)  W. Goodall and J.A.G. Williams, A new, highly fluorescent terpyridine which responds to zinc ions with a large red-shift in emission, Chem. Commun., 2001, 2514-2515.

(41)  C.J. Aspley and J.A.G. Williams, Palladium-catalysed cross-coupling reactions of ruthenium bis(terpyridyl) complexes: strategies for the incorporation and exploitation of boronic acid functionality, New J. Chem., 2001, 25, 1136-1147.

(40)  A. S. Batsanov, A.E. Goeta, J.A.K. Howard, D. Maffeo, H. Puschmann and J.A.G. Williams, Nickel(II) complexes of the isomeric tetraazamacrocyclic ligands 1,11- and 1,8- bis(2-pyridylmethyl)-cyclam and of a structurally constrained N(4), N(8)-methylene bridged analogue, Polyhedron, 2001, 20, 981-986.

(39)  B.G. Davis and J.A.G. Williams, "Oxidation and Reduction" in "Organic Reaction Mechanisms 1997", ed. A.C. Knipe and W.E. Watts, John Wiley: Chichester, 2001, chapter 5, pages 179 - 219.

(38)  R.L. Luck, C.L. Maupin, D. Parker, J.P. Riehl and J.A.G. Williams, Circularly polarised luminescence and structural studies of a dysprosium(III) complex with an octadentate macrocyclic ligand bearing benzylphosphinate groups, Inorg. Chim. Acta, 2001, 317, 331-337.

(37)  A. Beeby, S. Faulkner, D. Parker and J.A.G. Williams, Sensitised luminescence from phenanthridine appended lanthanide complexes: analysis of triplet mediated energy transfer processes in terbium, europium and neodymium complexes, J. Chem. Soc., Perkin Trans. 2, 2001, 1268-1273.

(36)  G. Bobba, R.S. Dickins, S.D. Kean, C.E. Mathieu, D. Parker, R.D. Peacock, G. Siligardi, M.J. Smith, J.A.G. Williams and C.F.G.C. Geraldes, Chiroptical, ESMS and NMR spectroscopic study of the interaction of enantiopure lanthanide complexes with selected self-complementary dodecamer oligonucleotides, J. Chem. Soc., Perkin Trans. 2, 2001, 1729-1737.

(35)  A.E. Goeta, J.A.K. Howard, D Maffeo, H. Puschmann, J.A.G. Williams and D.S. Yufit, Copper(II) complexes of the isomeric tetraazamacrocyclic ligands 1,11- and 1,8-bis(2-pyridylmethyl)-1,4,8,11-tetraazacyclotetradecane and of the 1,4,8,11-tetraazacyclotetradecane-5,12-dione analogue at neutral and basic pH,  J. Chem. Soc., Dalton Trans., 2000, 1873-1880.

(34)  A. Beeby, L.M. Bushby, D. Maffeo and J.A.G. Williams, The efficient intramolecular sensitisation of terbium(III) and europium(III) by benzophenone containing ligands, J. Chem. Soc., Perkin Trans. 2, 2000, 1281-1283.

(33)  W. Goodall and J.A.G. Williams, Iridium(III) bis-terpyridine complexes incorporating pendent N-methylpyridinium groups: luminescent sensors for chloride ions, J. Chem. Soc., Dalton Trans., 2000, 2893-2895.

(32) A. Beeby, R.S. Dickins, S. Fitzgerald, L.J. Govenlock, C.L. Maupin, D. Parker, J.P. Riehl, G. Siligardi and J.A.G. Williams, Porphyrin sensitisation of circularly polarised near-IR lanthanide luminescence: enhanced emission with nucleic acid binding, Chem. Commun., 2000, 1183-1184.

(31)  C.L. Maupin, R.S. Dickins, L.G. Govenlock, C.E. Mathieu, D. Parker, J.A.G. Williams and J.P. Riehl, The measurement of circular polarization in the near-IR luminescence from chiral complexes of Yb(III) and Nd(III), J. Phys. Chem. A, 2000, 104, 6709-6717.

(30)  A. Beeby, S.W. Botchway, I.M. Clarkson, S Faulkner, A.W. Parker, D. Parker and J.A.G. Williams, Luminescence imaging microscopy and lifetime mapping using kinetically stable lanthanide(III) complexes, J. Photochem. Photobiol. B, 2000, 57, 83-89.

(29)  M. Licini and J.A.G. Williams, Iridium(III) bis-terpyridine complexes displaying long-lived pH sensitive luminescence, Chem. Commun., 1999, 1943-1944.

(28)  L. Flamigni, F. Barigelletti, N. Armaroli, B. Ventura, J.-P. Collin, J.-P. Sauvage and J.A.G. Williams, Triplet-triplet energy transfer between porphyrins linked via a ruthenium(II) bisterpyridine complex, Inorg. Chem., 1999, 38, 661-667.

(27)  J.-P. Collin, I.M. Dixon, J.-P. Sauvage, J.A.G. Williams, F. Barigelletti and L. Flamigni, Synthesis and photophysical properties of iridium(III) bisterpyridine and its homologues: a family of complexes with a long-lived excited state, J. Am. Chem. Soc., 1999, 121, 5009-5016.

(26)  L. Flamigni, F. Barigelletti, N. Armaroli, J.-P. Collin, I.M. Dixon, J.-P. Sauvage and J.A.G. Williams, Photoinduced processes in multicomponent arrays containing transition metal complexes, Coord. Chem. Rev., 1999, 190-192, 671-682.

(25)  A. Beeby, I.M. Clarkson, R.S. Dickins, S. Faulkner, D. Parker, L. Royle, A.S. de Sousa, J.A.G. Williams and M. Woods, Non-radiative deactivation of the excited states of europium, terbium and ytterbium complexes by proximate energy-matched OH, NH and CH oscillators: an improved luminescence method for establishing solution hydration states, J. Chem. Soc., Perkin Trans. 2, 1999, 493-504.

(24)  R.S. Dickins, J.A.K. Howard, C.L. Maupin, J.M. Moloney, D. Parker, J.P. Riehl, G. Siligardi and J.A.G. Williams, Synthesis, time-resolved luminescence, NMR spectroscopy, circular dichroism and circularly polarised luminescence studies of enantiopure macrocyclic lanthanide tetraamide complexes, Chem. Eur. J., 1999, 5, 1095-1105.

(23)  S. Faulkner, A. Beeby, R.S. Dickins, D. Parker and J.A.G. Williams, Generating a warm glow: lanthanide complexes which luminesce in the near-IR, J. Fluoroescence, 1999, 9, 45-49.

(22)  L.J. Govenlock, C.E. Mathieu, C.L. Maupin, D. Parker, J.P. Riehl, G. Siligardi and J.A.G. Williams, Stereodifferentiation and base-pair selectivity in the binding of D and L cationic lanthanide complexes to [(CG)6]2, [(AT)6]2 and CT-DNA, Chem. Commun., 1999, 1699-1700.

(21)  T. Gunnlaugsson, D. Parker and J.A.G. Williams, Responsive luminescent lanthanide complexes for sensing pH, pO2 and hydrogencarbonate, Proc. SPIE, 1999, 3602, 186-193.

(20)  S. Faulkner, D. Parker and J.A.G. Williams, "Parallel processing in solution", in “Supramolecular science: where it is and where it is going”, eds. R. Ungaro and E. Dalcanale, NATO-ASI, Kluwer, Dordrecht, 1999, C527, 53-67.

(19)  L. Flamigni, F. Barigelletti, N. Armaroli, J.-P. Collin,  J.-P. Sauvage and J.A.G. Williams, Photoinduced processes in highly coupled supramolecular arrays based on a ruthenium(II) bisterpyridine complex and porphyrins, Chem. Eur. J., 1998, 4, 1744-1754.

(18)  D. Parker and J.A.G. Williams, Taking advantage of the pH and pO2 sensitivity of a macrocyclic terbium phenanthridinium complex, Chem. Commun., 1998, 245-246.

(17)  S. Aime, M. Botta, R.S. Dickins, C.L. Maupin, D. Parker, J.P. Riehl and J.A.G. Williams, Synthesis, NMR, relaxometry and circularly polarised luminescence studies of macrocyclic monoamidetris(phosphinate) complexes bearing a remote chiral centre, J. Chem. Soc., Dalton Trans., 1998, 881-892.

(16)  D. Parker, P.K. Senanayake and J.A.G. Williams, Luminescent sensors for pH, O2, halide and hydroxide ions using phenanthridine as a photosensitiser in macrocyclic europium(III) and terbium(III) complexes, J. Chem. Soc., Perkin Trans. 2, 1998, 2129-2134.

(15)  C.L. Maupin, D. Parker, J.A.G. Williams and J.P. Riehl, Circularly polarised luminescence from chiral octadentate complexes of Yb(III) in the near-infrared, J. Am. Chem. Soc., 1998, 120, 10563-10564.

(14)  A. Beeby, R.S. Dickins, S. Faulkner, D. Parker and J.A.G. Williams, Luminescence from ytterbium(III) and its complexes in solution, Chem. Commun., 1997, 1401-1402.

(13)  D. Parker, K. Senanayake and J.A.G. Williams, Luminescent chemosensors for pH, halide and hydroxide ions based on kinetically stable, macrocyclic europium -phenanthridinium conjugates, Chem. Commun., 1997, 1777-1778.

(12)  S. Aime, A.S. Batzanov, M. Botta, R.S. Dickins, S. Faulkner, C.E. Foster, A. Harrison, J.A.K. Howard, J.M. Moloney, T.J. Norman, D. Parker, L. Royle and J.A.G. Williams, Nuclear magnetic resonance, luminescence and structural studies of lanthanide complexes with octadentate macrocyclic ligands bearing benzylphosphinate groups, J. Chem. Soc., Dalton Trans., 1997, 3623-3636.

(11)  E. Huskowska, C.L. Maupin, D. Parker, J.P. Riehl and J.A.G. Williams, Use of circularly polarised luminescence, following circularly polarised excitation, as a probe of the chiral structure of octadentate complexes of Eu(III) and Tb(III) with cyclic polyazaphosphinic acid ligands, Enantiomer, 1997, 2, 381-395.

(10)  D. Parker and J.A.G. Williams, Perspective: Getting Excited about Lanthanide Complexation Chemistry, J. Chem. Soc., Dalton Trans., 1996, 3613-3628.

(9)  S. Aime, M. Botta, D. Parker and J.A.G. Williams, Extent  of hydration of octadentate lanthanide complexes incorporating phosphinate donors: solution relaxometry and luminescence studies, J. Chem. Soc., Dalton Trans., 1996, 17-23.

(8)  R.S. Dickins, M. Botta, D. Parker and J.A.G. Williams, Closely diffusing O-H, amide N-H and methylene C-H oscillators quench the excited state of europium complexes in solution, Chem. Commun., 1996, 697-698.

(7)  A. Beeby, D. Parker and J.A.G. Williams, Photophysical studies of macrocyclic polydentate ligands bearing naphthyl chromophores, J. Chem. Soc., Perkin Trans. 2, 1996, 1565-1579.

(6)  D. Parker and J.A.G. Williams, On the use of carbostyril-124 as a sensitising chromophore in luminescent europium and terbium complexes, J. Chem. Soc., Perkin Trans. 2, 1996, 1581-1586.

(5)  S. Aime, M. Botta, D. Parker and J.A.G. Williams,  Nuclear magnetic resonance studies of neutral lanthanide(III) complexes with tetraaza-macrocyclic ligands containing three phosphinate and one carboxamide coordinating arms, J. Chem. Soc., Dalton Trans., 1995, 2259-2266.

(4)  D. Parker and J.A.G. Williams,  Luminescence behaviour of cadmium, lead, zinc, copper, nickel and lanthanide complexes of octadentate macrocyclic ligands bearing naphthyl chromophores, J. Chem. Soc., Perkin Trans. 2, 1995, 1305-1314.

(3)  S. Aime, A.S. Batsanov, M. Botta, J.A.K. Howard, D. Parker, K. Senanayake, and J.A.G. Williams, Solution and solid-state characterization of highly rigid, eight-coordinate lanthanide(III) complexes of a macrocyclic tetrabenzylphosphinate, Inorg. Chem., 1994, 33, 4696-4706.

(2)  M. Murru, D. Parker, J.A.G. Williams and A. Beeby, Luminescence Behaviour of Stable Europium and Terbium Complexes of Tetraaza Phosphinates.  Efficient Through-Space Energy Transfer from Phenyl to Terbium, J. Chem. Soc., Chem. Commun., 1993, 1116-1118.

(1)  P. Mountford and J.A.G. Williams, Tertiary phosphine adducts of [W2(m-O2CBut)4].  Crystal structure of [W2(m-O2CBut)3(O2CBut)(PMe2Ph)2], J. Chem. Soc., Dalton Trans., 1993, 877-883.
 
 
 


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