Synthesis, self-assembly and nonlinear optical activity of selenium-annulated perylene diimide
writer：Guo-Bin Huang, Lei Shen, jie Liu, Wen-Fa Zhou, Kaspars Traskovskis, Ying-Lin Song*, Wei Jiang*, Zhao
keywords：苝酰亞胺，非線性光學(xué)
source：期刊
specific source：Chemical Communications
Issue time：2020年
A novel Se-annulated perylene diimide derivative tethered with polyhedral oligosilsesquioxane (POSS) nanoparticles (POSS-2SePDI-POSS) was designed and prepared. The introduction of selenium atoms endows POSS-2SePDI-POSS with significant fluorescence quenching but enhanced excited-state absorption. As a result, POSS-2SePDI-POSS exhibits a distinct reverse saturable absorption characteristic, suggesting its potential application in optical limiting.