A NIR-II-Absorbing quinoidal benzodifurandione-conjugated polymer for efficient photothermal therapy

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.

Supplementary files

Article information

Article type
Communication
Submitted
11 Feb 2026
Accepted
31 Mar 2026
First published
01 Apr 2026

Chem. Commun., 2026, Accepted Manuscript

A NIR-II-Absorbing quinoidal benzodifurandione-conjugated polymer for efficient photothermal therapy

Q. Zhang, J. Xu, Z. Xiao, Z. Wang, Y. Lin, W. Ma, Z. Wang, M. Li, X. Zheng and Y. Jiang, Chem. Commun., 2026, Accepted Manuscript , DOI: 10.1039/D6CC00926C

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