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.

Theoretical study on the sensing mechanism of chalcone-based fluorescence probe for detecting hydrogen sulfide and biothiols

2021 ◽  
Author(s):  
Yunjian Cao ◽  
Lingling Wang ◽  
Ziqi Liu ◽  
Chaofan Sun ◽  
Yuanzuo Li
Keyword(s):  
Hydrogen Sulfide ◽  
Excited State ◽  
Charge Transfer ◽  
Proton Transfer ◽  
Fluorescent Probe ◽  
Theoretical Study ◽  
Fluorescence Probe ◽  
Intramolecular Charge Transfer ◽  
Intramolecular Proton Transfer ◽  
Twisted Intramolecular Charge Transfer

A fluorescent probe 2′-(2,4-dinitro-phenoxy)-4-(dimethylamino) chalcone (Pr1, Spectrochim. Acta, Part A 2021, 244, 118839)based on the twisted intramolecular charge transfer (TICT) and excited state intramolecular proton transfer (ESIPT) was designed and...

Novel fluorescent probes based on intramolecular charge- and proton-transfer compounds

2013 ◽  
Vol 85 (7) ◽  
pp. 1465-1478 ◽  
Author(s):  
Guoqiang Yang ◽  
Shayu Li ◽  
Shuangqing Wang ◽  
Rui Hu ◽  
Jiao Feng ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Proton Transfer ◽  
Fluorescent Probes ◽  
Intramolecular Charge Transfer ◽  
Intramolecular Proton Transfer ◽  
Environmental Sensing ◽  
Emission Properties ◽  
Intense Emission ◽  
Proton Transfer Compounds

Excited-state intramolecular proton-transfer (ESIPT) compounds and intramolecular charge-transfer (ICT) compounds have attracted attention due to their interesting and even unique emission properties. The intense and environment-sensitive emission showed by some members of the two families has been exploited in fluorescent probes for various forms of environmental sensing. In this paper, we summarize our recent study on the utilization of novel ESIPT and ICT compounds with intense emission as fluorescent probes after an introduction to the ESIPT and/or ICT processes and related photophysics mechanism.

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