环[18]碳(C18)的化学:综述。

IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Chemical record Pub Date : 2024-07-12 DOI:10.1002/tcr.202400055
Pooja, Sarita Yadav, Ravinder Pawar
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摘要

碳基同素异形体正在推动通信、传感和计算领域的技术革命,同时也对上个世纪的基础理论提出了挑战。然而,对先进碳基材料的需求仍然巨大。问题的关键在于如何高效、可靠地设计新型碳同素异形体。虽然 C18 的理论和实验研究已经进行了很长时间,但直到最近才通过 STM/AFM 技术制备并直接观察到其凝聚相。C18 独特的环状结构和双 18 中心 π 脱焦特性为其带来了各种不同寻常的性质,使其成为一个值得深入探讨的课题。在此背景下,本综述深入探讨了过去对 C18 的最新理解,并对未来如何加快实际应用提出了见解。本综述涵盖范围广泛,全面研究了 C18 的几乎所有方面,包括几何特性、电子析出、键合性质、芳香性、反应性、电子激发、紫外/可见光谱、分子间相互作用、对外部场的响应、电子亲和性、电离和其他分子特性。此外,综述还概述了利用原子操作技术直接合成和表征 C18 的代表性策略。随后,综述了基于 C18 的复合物,并讨论了其在催化、电化学器件、光电子学和传感方面的潜在应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Chemistry of Cyclo[18]Carbon (C18): A Review

Carbon-based allotropes are propelling a technological revolution in communication, sensing, and computing, concurrently challenging fundamental theories of the previous century. Nevertheless, the demand for advanced carbon-based materials remains substantial. The crux lies in the efficient and reliable engineering of novel carbon allotrope. Although C18 has undergone theoretical and experimental investigation for an extended period, its preparation and direct observation in the condensed phase occurred only recently through STM/AFM techniques. The distinctive cyclic ring structure and the dual 18-center π delocalization character introduce various uncommon properties to C18, rendering it a subject worthy of in-depth exploration. In this context, this review delves into past developments contributing to the state-of-the-art understanding of C18 and provides insights into how future endeavours can expedite practical applications. Encompassing a broad spectrum, this review comprehensively investigates almost all facets of C18, including geometric characteristics, electron delocalization, bonding nature, aromaticity, reactivity, electronic excitation, UV/Vis spectrum, intermolecular interaction, response to external fields, electron affinity, ionization, and other molecular properties. Moreover, the review also outlines representative strategies for the direct synthesis and characterization of C18 using atom manipulation techniques. Following this, C18-based complexes are summarized, and potential applications in catalysis, electrochemical devices, optoelectronics, and sensing are discussed.

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来源期刊
Chemical record
Chemical record 化学-化学综合
CiteScore
11.00
自引率
3.00%
发文量
188
审稿时长
>12 weeks
期刊介绍: The Chemical Record (TCR) is a "highlights" journal publishing timely and critical overviews of new developments at the cutting edge of chemistry of interest to a wide audience of chemists (2013 journal impact factor: 5.577). The scope of published reviews includes all areas related to physical chemistry, analytical chemistry, inorganic chemistry, organic chemistry, polymer chemistry, materials chemistry, bioorganic chemistry, biochemistry, biotechnology and medicinal chemistry as well as interdisciplinary fields. TCR provides carefully selected highlight papers by leading researchers that introduce the author''s own experimental and theoretical results in a framework designed to establish perspectives with earlier and contemporary work and provide a critical review of the present state of the subject. The articles are intended to present concise evaluations of current trends in chemistry research to help chemists gain useful insights into fields outside their specialization and provide experts with summaries of recent key developments.
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