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超快圆二色性光谱技术的开发与应用

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手性在生命科学、量子器件以及其他各个领域都有广泛的应用.传统上,分子手性可以通过稳态圆二色性光谱来表征.由于能够提供手性产生和转移的动态信息,表征激发态手性的技术正逐渐引起公众的兴趣.本综述重点介绍了飞秒时间分辨圆二色性光谱技术的理论背景和在全球范围内的发展历程.此外,本文举例说明这些技术在动态分子化学结构分析、分子手性生成研究以及半导体量子点电子自旋动态探测中的应用.
Development and Application of Ultrafast Circular Dichroism Spectroscopy Techniques
Chirality hold broad applications in life sciences,quantum devices,and various other areas.Traditionally,molecular chirality can be character-ized by using steady-state circular dichroism spectroscopy.However,the techniques that can characterize ex-cited state chirality are progressively capturing the public interest as it can provide the dynamic information for chirality generation and transfer.In this review,we focus on the theoretical background and the developmental history of femtosecond time-resolved circular dichroism spectroscopy(TR-CD)techniques around the world.Additionally,we provide examples to showcase the utility of these techniques in the analysis of the dynamical molecular chemical structures,the inves-tigation of molecular chirality generation,and the detection of electron spin dynamics in semi-conductor quantum dots.

Excited state chiralityFemtosecond time-resolved circular dichroism spec-troscopyUltrafast dynamicsChiral spectra

崔童、贾梦辉、吴沛聪、胡可、王雪力、张三军、潘海峰、陈缙泉

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华东师范大学精密光谱科学与技术国家重点实验室,上海 200241

华东师范大学公共创新服务平台,上海 200241

山西大学极端光学协同创新中心,太原 030006

激发态手性 飞秒时间分辨圆二色性光谱 超快动力学 手性光谱

National Natural science Foundation of ChinaNational Natural science Foundation of ChinaMaterials Characterization Center and the Office of Laboratory and Equipment of East China Normal University

9215602492356307ECNUETR2023-13

2024

10.1063/1674-0068/cjcp2403041

化学物理学报(英文版)
中国物理学会

化学物理学报(英文版)

CSTPCDEI
影响因子：0.162
ISSN：1674-0068
年,卷(期)：2024.37(4)