Issue 37, 2022

Photovoltaic molecules with ultra-high light energy utilization for near-infrared laser triggered synergetic photodynamic and photothermal therapy

Abstract

Photovoltaic molecules possess strong absorption in the near-infrared (NIR) region and are suitable for NIR laser-triggered phototherapy. Herein, the star molecule IEICO of organic photovoltaic materials, which has a narrow bandgap and large A–D–A conjugated structure, was prepared into water dispersive nanoparticles (NPs) through a simple self-assembly method. The obtained IEICO NPs showed a strong NIR absorption peak at 800 nm and a high 1O2 quantum yield of 11% and photothermal conversion efficiency of 85.4% under 808 nm laser irradiation. The ultra-high light energy utilization efficacy (∼96.4%) of the IEICO NPs enables their excellent phototherapeutic effect on tumors. The present work suggested the huge application potential of organic photovoltaic materials in the biomedical field.

Graphical abstract: Photovoltaic molecules with ultra-high light energy utilization for near-infrared laser triggered synergetic photodynamic and photothermal therapy

Supplementary files

Article information

Article type
Paper
Submitted
05 may 2022
Accepted
27 iyn 2022
First published
29 iyn 2022

J. Mater. Chem. B, 2022,10, 7622-7627

Photovoltaic molecules with ultra-high light energy utilization for near-infrared laser triggered synergetic photodynamic and photothermal therapy

K. Yang, Z. Zhang, Y. Gan, Q. Tan, L. Huang, B. Wang, G. Hu, P. Yin, X. Song and M. Lan, J. Mater. Chem. B, 2022, 10, 7622 DOI: 10.1039/D2TB00984F

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