Ultrafast photo-induced charge transfer of 1-naphthol and 2-naphthol to halocarbon solvents

被引：8

作者：

Chaudhuri, Subhajyoti ^{[1
,2
]}

Rudshteyn, Benjamin ^{[2
]}

Premont-Schwarz, Mirabelle ^{[3
]}

Pines, Dina ^{[4
]}

Pines, Ehud ^{[4
]}

Huppert, Dan ^{[5
]}

Nibbering, Erik T. J. ^{[3
]}

Batista, Victor S. ^{[2
]}

机构：

[1] Yale Univ, Sch Engn & Appl Sci, 10 Hillhouse Ave, New Haven, CT 06520 USA

[2] Yale Univ, Dept Chem, POB 208107, New Haven, CT 06520 USA

[3] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany

[4] Ben Gurion Univ Negev, Dept Chem, POB 653, IL-84105 Beer Sheva, Israel

[5] Tel Aviv Univ, Sch Chem, Raymond & Beverly Sackler Fac Exact Sci, IL-69978 Tel Aviv, Israel

来源：

CHEMICAL PHYSICS LETTERS | 2017年 / 683卷

基金：

美国国家科学基金会;

关键词：

Naphthols; Ultrafast spectroscopy; Photo-induced charge transfer; Electron donor acceptor interactions; DFT; Marcus theory; REAL-TIME OBSERVATION; ELECTRON-TRANSFER; PROTON-TRANSFER; GEMINATE RECOMBINATION; FEMTOSECOND DYNAMICS; CARBON-TETRACHLORIDE; FLUORESCENCE; CHEMISTRY; PHOTOACIDITY; STATES;

D O I：

10.1016/j.cplett.2017.03.080

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We explore the fluorescence quenching of 1-naphthol and 2-naphthol in halocarbon solvents by using time-correlated single-photon-counting, femtosecond IR-spectroscopy and quantum chemistry computations. We find that halocarbon solvents facilitate a de-excitation mechanism via solute-solvent electron transfer. Decay rates are modulated by close contact interactions between the p-electronic structure of naphthols and halocarbon molecules in their first solvation shell. 1-naphthol exhibits faster decay rates than 2-naphthol due to closer interactions with the solvent. (C) 2017 Published by Elsevier B.V.

引用

页码：49 / 56

页数：8

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