Barrierless Electron Transfer in a Photosynthetic Reaction Center Model

IF 16.9 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Angewandte Chemie International Edition Pub Date : 2025-02-07 DOI:10.1002/anie.202422633
Tobias Ullrich, Ivana Ramírez-Wierzbicki, Leonardo D. Slep, Alejandro Cadranel
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Abstract

Vibrational spectroscopy is the ultimate tool to reveal whether any donor-acceptor system is truly delocalized and therefore characterized by a single-welled potential energy surface, or if it is marginally localized with a barrier that defines two minima. Our femtosecond IR absorption investigations on cyanide-bridged mixed valence systems show a broad, intense and downshifted CN vibration signature, revealing, for the first time, an asymmetric, fully delocalized Class III photoinduced mixed valence system.

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光合反应中心模型中的无垒电子转移
振动光谱学是揭示任何供体-受体系统是否真的是脱域的,因此具有单井势能表面的特征,或者它是否具有定义两个最小值的势垒的边缘局域。我们对氰化物桥接混合价体系的飞秒红外吸收研究显示出广泛、强烈和降移的CN振动特征,首次揭示了一个不对称、完全离域的III类光诱导混合价体系
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来源期刊
CiteScore
26.60
自引率
6.60%
发文量
3549
审稿时长
1.5 months
期刊介绍: Angewandte Chemie, a journal of the German Chemical Society (GDCh), maintains a leading position among scholarly journals in general chemistry with an impressive Impact Factor of 16.6 (2022 Journal Citation Reports, Clarivate, 2023). Published weekly in a reader-friendly format, it features new articles almost every day. Established in 1887, Angewandte Chemie is a prominent chemistry journal, offering a dynamic blend of Review-type articles, Highlights, Communications, and Research Articles on a weekly basis, making it unique in the field.
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