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Identifying Thermally Activated Delayed Fluorescence using a Spectrofluorometer

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Author: Edinburgh Instruments
Wednesday, March 11, 2020
Edinburgh Instruments Ltd.

TADF was first observed in 1924 by Francis Perrin. In 2012 it received a resurgence in attention when Professor Chihaya Adachi and colleagues at Kyushu University used the TADF mechanism to harvest triplet excitons in organic light emitting diodes (OLED) and create a new type of high-efficiency OLED that does not require the use of heavy metals. TADF is now one of the most popular approaches to harvest triplet excitons in OLEDs, and new TADF emitters with good stability and attractive colour coordinates are being intensely researched in both academia and industry. Here we find out how a spectrofluorometer is used to identify TADF.

File: TADF_FS5_Web.pdf (963.29 KB)
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materialsspectroscopyTADFOLEDfluorescencedelayed fluorescencetelevisiondisplayspectrofluorometertriplet excitationthermally activated delayed fluorescencesmartphoneSpectrometer
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