scholarly journals Substitution pattern on anthrol carbaldehydes: excited state intramolecular proton transfer (ESIPT) with a lack of phototautomer fluorescence

2017 ◽  
Vol 19 (41) ◽  
pp. 28439-28449 ◽  
Author(s):  
S. Chaiwongwattana ◽  
Đ. Škalamera ◽  
N. Došlić ◽  
C. Bohne ◽  
N. Basarić
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Excited States ◽  
Intramolecular Proton Transfer ◽  
Dual Emission ◽  
Substitution Pattern ◽  
Locally Excited

Experiments and computations reveal that 1,2-disubstituted anthrol carbaldehydes are not ESIPT reactive, whereas 2,3-disubstituted anthrols undergo efficient barrierless ultrafast ESIPT, where the typical dual emission from locally excited states and tautomers was not observed.

ESIPT fluorophores derived from 2,3-dichloro-5,6-dicyano-p-benzoquinone based carbon dots for dual emission and multiple anti-counterfeiting

2021 ◽  
Vol 23 (1) ◽  
pp. 388-398
Author(s):  
Futao He ◽  
Hai-Bei Li ◽  
Hao Xu ◽  
Jing Bai ◽  
Yanyan Cheng ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Carbon Dots ◽  
Intramolecular Proton Transfer ◽  
Dual Emission

An excited-state intramolecular proton-transfer (ESIPT) active fluorophore is extracted from 2,3-dichloro-5,6-dicyano-p-benzoquinone based carbon dots.

scholarly journals Photoacidity as a tool to rationalize excited state intramolecular proton transfer reactivity in flavonols

2018 ◽  
Vol 17 (2) ◽  
pp. 231-238 ◽  
Author(s):  
Luís Gustavo Teixeira Alves Duarte ◽  
José Carlos Germino ◽  
Cláudia de Ávila Braga ◽  
Cristina Aparecida Barboza ◽  
Teresa Dib Zambon Atvars ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Excited States ◽  
Intramolecular Proton Transfer ◽  
Flavonol Derivatives ◽  
Proton Transfer Reactivity ◽  
Electronic Ground

Determination of acidic strengths at the electronic ground and excited states of flavonol derivatives.

scholarly journals Dual-emissive 2-(2′-hydroxyphenyl)oxazoles for high performance organic electroluminescent devices: discovery of a new equilibrium of excited state intramolecular proton transfer with a reverse intersystem crossing process

2018 ◽  
Vol 9 (5) ◽  
pp. 1213-1220 ◽  
Author(s):  
Bijin Li ◽  
Linsen Zhou ◽  
Hu Cheng ◽  
Quan Huang ◽  
Jingbo Lan ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
High Performance ◽  
Intramolecular Proton Transfer ◽  
Intersystem Crossing ◽  
Dual Emission ◽  
Electroluminescent Devices ◽  
Organic Electroluminescent

Dual-emission of the enol-forms and keto-forms of 2-(2′-hydroxyphenyl)oxazoles and their application in OLEDs are investigated.

2-Aryl-3-hydroxyquinolones, a new class of dyes with solvent dependent dual emission due to excited state intramolecular proton transfer

2006 ◽  
Vol 30 (5) ◽  
pp. 774-781 ◽  
Author(s):  
Dmytro A. Yushchenko ◽  
Volodymyr V. Shvadchak ◽  
Andrey S. Klymchenko ◽  
Guy Duportail ◽  
Yves Mély ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Dual Emission ◽  
New Class

Excited State Intramolecular Proton Transfer in Schiff Bases. Decay of the Locally Excited Enol State Observed by Femtosecond Resolved Fluorescence

2007 ◽  
Vol 111 (28) ◽  
pp. 6241-6247 ◽  
Author(s):  
William Rodríguez-Córdoba ◽  
Jimena S. Zugazagoitia ◽  
Elisa Collado-Fregoso ◽  
Jorge Peon
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Schiff Bases ◽  
Intramolecular Proton Transfer ◽  
Locally Excited

New excited state intramolecular proton transfer (ESIPT) dyes based on naphthalimide and observation of long-lived triplet excited states

2012 ◽  
Vol 48 (78) ◽  
pp. 9720 ◽  
Author(s):  
Jie Ma ◽  
Jianzhang Zhao ◽  
Pei Yang ◽  
Dandan Huang ◽  
Caishun Zhang ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Excited States ◽  
Intramolecular Proton Transfer ◽  
Triplet Excited States

Excited-State Intramolecular Proton Transfer in a Blue Fluorescence Chromophore Induces Dual Emission

ChemPhysChem ◽  
2016 ◽  
Vol 17 (15) ◽  
pp. 2340-2347 ◽  
Author(s):  
Dan Wu ◽  
Wei-Wei Guo ◽  
Xiang-Yang Liu ◽  
Ganglong Cui
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Blue Fluorescence ◽  
Dual Emission

From fluorogen to fluorophore by elucidation and suppression of ultrafast excited state processes of a Schiff base

2021 ◽  
Author(s):  
Souradip Dasgupta ◽  
Shrobona Banerjee ◽  
Sharmistha Das ◽  
Anindya Datta
Keyword(s):  
Schiff Base ◽  
Excited State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Locally Excited

Strategies have been explored for developing strongly fluorescent species out of a weakly fluorescent Schiff base, 2-(((pyridin-2-ylmethyl)imino)methyl)phenol (salampy). The locally excited enolic state of salampy undergoes an intramolecular proton transfer...

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