Action-Absorption Spectroscopy at the Band Origin of the Deprotonated Green Fluorescent Protein Chromophore In Vacuo

被引：3
|
作者：
Bochenkova, Anastasia V. [1 ]
Andersen, Lars H. [2 ]
机构：
[1] Lomonosov Moscow State Univ, Dept Chem, Moscow 119991, Russia
[2] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus, Denmark
来源：
JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2022年
关键词：
D O I：
10.1021/acs.jpclett.2c01791
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：
The application of action spectroscopy in connection with determination of the S-0 to S-1 band origin in the GFP anion model chromophore (deprotonated HBDI) is discussed. We specifically address the consequences of the lowest vibrational levels in S-1 being located behind a potential-energy barrier that inhibits internal conversion to the S0 electronic ground state. Action spectroscopy based on consecutive absorption of two photons together with internal conversion will as a consequence reveal an apparent band origin that is significantly blue-shifted.
引用
收藏
页码：6683 / 6685
页数：3
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