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Updated: Jan 6, 2026

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
Published on: September 12, 2014
Acceptor engineering in triphenylamine-based push-pull dyes for enhanced photosensitization
Yebeen Choi1, Yeonkyeong Lee1, Dayoung Kang1
1Department of Chemistry and Research Institute of Basic Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Korea. youngmi.kim@khu.ac.kr.
Abstract:
Donor-acceptor dyes were designed by conjugating a common triphenylamine donor with acceptors of varying strengths to enhance Type I photosensitization efficiency. Among these, TTCF, featuring the strongest tricyanofuran acceptor, generated 2.4 times more superoxide radicals than the reference photosensitizer rose bengal, through aggregation-induced intersystem crossing leading to efficient electron transfer mechanisms.
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