分子断裂交界处:氧化还原转化的舞台

IF 2.5 3区 化学 Q2 CHEMISTRY, ORGANIC European Journal of Organic Chemistry Pub Date : 2024-09-28 DOI:10.1002/ejoc.202400980
Ishita Neogi, Haritha S, Anjitha Sebastian, Simi Achankunju, Gourab Mohanty, Keshaba Nanda Parida
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引用次数: 0

摘要

实现电子设备微型化的一个绝妙策略是在两个电极之间使用单分子,在单分子断点(SMBJ)上进行载流子传导。要了解这些结的内在运行机制,研究单分子在 SMBJ 上的物理、化学和电化学特性至关重要。此外,还可以通过电化学方法在纳米结上实现基于氧化还原的转换,从而在单分子的不同氧化还原态之间进行有效切换,展示利用分子的开关态操纵传输特性的可能性。本文介绍了 SMBJ 的基本原理,以及在 SMBJ 上受电化学影响的有机分子转化或切换。对纳米尺度电化学现象的这种理解可以弥合宏观电子电路与单分子电子电路之间的知识差距,在不同状态之间切换的可行性可以操纵电子特性以及其他光物理参数。
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Molecular Break Junction: A Stage for Redox Transformations
An exceptionally brilliant strategy to miniaturize electronic devices is to employ a single‐molecule between two electrodes for carrier conduction at single‐molecule break junctions (SMBJ). To understand the intrinsic mechanisms of operation at these junctions, extremely crucial is to study physical, chemical, and electrochemical properties employing single‐molecules at SMBJs. Further, redox‐based transformations at the nano‐junction could be achieved electrochemically to allow efficient switching between different redox states of a single‐molecule, showcasing the possibility of maneuvering transport properties with on‐off states of the molecule. Herein, are presented the fundamentals of SMBJs, and the electrochemically influenced transformations or switching of organic molecules pursued at SMBJs. Such an understanding of electrochemical phenomena at the nanoscale dimension could bridge the knowledge gap between macroscopic electronic circuits and single‐molecule electronic circuits, whereby the feasibility of switching between the states could maneuver the electronic properties as well as other photophysical parameters.
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来源期刊
CiteScore
5.40
自引率
3.60%
发文量
752
审稿时长
1 months
期刊介绍: The European Journal of Organic Chemistry (2019 ISI Impact Factor 2.889) publishes Full Papers, Communications, and Minireviews from the entire spectrum of synthetic organic, bioorganic and physical-organic chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies. The following journals have been merged to form two leading journals, the European Journal of Organic Chemistry and the European Journal of Inorganic Chemistry: Liebigs Annalen Bulletin des Sociétés Chimiques Belges Bulletin de la Société Chimique de France Gazzetta Chimica Italiana Recueil des Travaux Chimiques des Pays-Bas Anales de Química Chimika Chronika Revista Portuguesa de Química ACH—Models in Chemistry Polish Journal of Chemistry.
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