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Fluorescence, Delayed Fluorescence and Phosphorescence Spectra of a TADF Emitter Measured using the FLS1000 with a VPL laser and Gated PMT Detector

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Fluorescence, Delayed Fluorescence and Phosphorescence Spectra of a TADF Emitter Measured using the FLS1000 with a VPL laser and Gated PMT Detector

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  • Author: Stuart Thomson
Materials exhibiting thermally activated delayed fluorescence (TADF) have attracted widespread research attention as a new generation of high-efficiency emitters for use in Organic Light Emitting Diodes (OLEDs). This application note, the FLS1000 Photoluminescence Spectrometer equipped with a gated PMT detector and a VPL pulsed diode laser is used to measure the prompt fluorescence, delayed fluorescence and phosphorescence spectra of the TADF emitter CzDBA. The VPL series of pulsed diode lasers are a new range of variable pulse length lasers designed by Edinburgh Instruments that are optimised for measuring longer-lived emission such as upconversion, delayed fluorescence and phosphorescence.

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