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Updated: May 15, 2026

Time-resolved Photophysical Characterization of Triplet-harvesting Organic Compounds at an Oxygen-free Environment Using an iCCD Camera
Published on: December 27, 2018
Correlating triplet yield, singlet oxygen generation and photochemical stability in polymer/fullerene blend films
Ying W Soon1, Hoduk Cho, Jonathan Low
1Centre for Plastic Electronics and Department of Chemistry, Imperial College London, London, UK SW7 2AZ.
Abstract:
The photostability of two donor polymers, DPP-TT-T and PTB7, is compared in neat films and blend films with PC(71)BM. In both neat and blend films, PTB7 is shown to be relatively unstable. This observation is shown to correlate with transient optical studies of long lived polymer triplets and with molecular probe studies of singlet oxygen yields.
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