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Department of Physics

News

Headlines

PHEBE consortium discovers that the host with the most is needed for efficient thermally-activated delayed fluorescence OLEDs

(28 September 2018)

The team at PHEBE

A team of researchers from the Physics department at Durham have been working as part of the PHEBE consortium, which is an EU funded collaboration between TU Dresden, Kaunas University of Technology, Novaled, and project managed by Intelligentsia Consultants.
The team have discovered a new understanding of the thermally-activated delayed fluorescence (TADF) mechanism. They have found that the emissive states that provide the electroluminescence in OLEDs can be tuned by their host environment, meaning that device design and material choice is critical to the overall performance of the OLED. This was demonstrated in the two Nature Communications publications that came out in 2016 and 2017 respectively and it has transformed the landscape of studies in this field. 

They have released a video demonstrating the key achievements of the PHEBE consortium - watch on YouTube