Issue 19, 2020

Recent progress in efficient organic two-photon dyes for fluorescence imaging and photodynamic therapy

Abstract

Two-photon excitation has important advantages over conventional one-photon excitation due to its charming advantages including longer-wavelength excitation, lower auto-fluorescence, higher 3D resolution and less photobleaching. These advantages have generated a strong demand for efficient two-photon dyes with high two-photon absorption cross-sections and fluorescence quantum yields. For this reason, the emerging structure–property correlations that can serve as guidelines for the enhancement of two-photon absorption cross-sections and fluorescence quantum yields are summarized in detail. In addition, the existing challenges as well as future perspectives are also discussed.

Graphical abstract: Recent progress in efficient organic two-photon dyes for fluorescence imaging and photodynamic therapy

Article information

Article type
Review Article
Submitted
02 Feb 2020
Accepted
06 Apr 2020
First published
07 Apr 2020

J. Mater. Chem. C, 2020,8, 6342-6349

Recent progress in efficient organic two-photon dyes for fluorescence imaging and photodynamic therapy

L. Xu, J. Zhang, L. Yin, X. Long, W. Zhang and Q. Zhang, J. Mater. Chem. C, 2020, 8, 6342 DOI: 10.1039/D0TC00563K

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