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A NIR-II-absorbing quinoidal benzodifurandione-conjugated polymer for efficient photothermal therapy
Qiuyun Zhang1, Junjie Xu1, Zhihan Xiao1
1School of Pharmacy, Nantong University, Nantong, Jiangsu, 226019, P. R. China. yujiang@ntu.edu.cn.
Chemical Communications (Cambridge, England)
|April 12, 2026
Abstract:
A novel S-donor-Q-acceptor conjugated polymer PBFDO-DTP with an ultranarrow bandgap of 0.81 eV was synthesized. Its water-soluble NPs (CPII-NPs) achieved a record-high ε (52.7 L g-1 cm-1) and PCE (82.2%) at 1064 nm among quinoid-based CPs. In vivo evaluations further validated the outstanding NIR-II PTT efficacy of CPII-NPs.
