Experimental and theoretical investigation of long-wavelength fluorescence emission in push–pull benzazoles: intramolecular proton transfer or charge transfer in the excited state?

2019 ◽  
Vol 21 (8) ◽  
pp. 4408-4420 ◽  
Author(s):  
Guilherme Wiethaus ◽  
Josene Maria Toldo ◽  
Fabiano da Silveira Santos ◽  
Rodrigo da Costa Duarte ◽  
Paulo Fernando Bruno Gonçalves ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Proton Transfer ◽  
Theoretical Investigation ◽  
Fluorescence Emission ◽  
Intramolecular Proton Transfer ◽  
Long Wavelength

ESIPT is disfavoured and charge-transfer emission, prior to ESIPT, seems to be responsible for long-emission wavelengths.

scholarly journals Ingenious modification of molecular structure effectively regulates excited-state intramolecular proton and charge transfer: a theoretical study based on 3-hydroxyflavone

RSC Advances ◽  
2018 ◽  
Vol 8 (52) ◽  
pp. 29589-29597 ◽  
Author(s):  
Jianhui Han ◽  
Xiaochun Liu ◽  
Chaofan Sun ◽  
You Li ◽  
Hang Yin ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Excited State ◽  
Charge Transfer ◽  
Proton Transfer ◽  
Theoretical Study ◽  
Intramolecular Charge Transfer ◽  
Intramolecular Proton Transfer ◽  
Great Promise ◽  
Fluorescence Sensing

Harnessing ingenious modification of molecular structure to regulate excited-state intramolecular proton transfer (ESIPT) and intramolecular charge transfer (ICT) characteristics holds great promise in fluorescence sensing and imaging.

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