New Cy5 photosensitizers for cancer phototherapy: a low singlet–triplet gap provides high quantum yield of singlet oxygen

• DOI: 10.1039/d1sc04570a
• Publication Date: 2021-09-21T15:42:03Z
• Authors: He Ma; Saran Long; Jianfang Cao; Feng Xu; Panwang Zhou; Guang Zeng; Xiao Zhou; Chao Shi; Wen Sun; Jianjun Du; Keli Han; Jiangli Fan; Xiaojun Peng
• Keywords: Chemistry; 01 natural sciences; 0104 chemical sciences; 3. Good health

The electron-withdrawing group at the meso-position of Thio-Cy5 could dramatically reduce the singlet–triplet energy gap, and speed up the intersystem crossing process.