On-Surface Synthesis on Nonmetallic Substrates,ACS Materials Letters

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On-Surface Synthesis on Nonmetallic Substrates
ACS Materials Letters ( IF 9.6 ) Pub Date : 2020-12-08 , DOI: 10.1021/acsmaterialslett.0c00452
Kewei Sun ₁ , Yuan Fang _{1,

2} , Lifeng Chi ₁

Affiliation

On-surface synthesis has been developed into a promising research field for fabricating low-dimensional materials with great potential in tailoring structures, functionality, and, thus, desired chemical and physical properties. Thus far, most surface-assisted reactions are conducted on single-crystal metal surfaces, which serve as catalysts. However, the metal surface severely quenches the intrinsic electronic or optical properties of the adsorbed functional material. In view of potential applications, in particular device fabrication, direct integration of functional molecular systems on technologically relevant insulating or semiconducting surfaces is highly desirable. Recently, significant efforts have been made toward realizing chemical reactions on nonmetallic substrates; however, details of their catalytic mechanisms are still unclear and require further investigation. On the other hand, various approaches have been demonstrated to replace the catalytic functionality of metals with, for example, photochemistry or direct tip manipulation. In this Perspective, we review early advances in this field of nonmetallic surface confined reactions and highlight upcoming opportunities and challenges. We start by describing recent advances in reaction types, followed by presenting various external catalytic methods and end with pointing out promising future directions.

中文翻译：

非金属基材上的表面合成

表面合成已经发展成为一种有前途的研究领域，用于制造在定制结构，功能以及所需的化学和物理性质方面具有巨大潜力的低维材料。迄今为止，大多数表面辅助反应是在充当催化剂的单晶金属表面上进行的。但是，金属表面严重淬灭了所吸附功能材料的固有电子或光学特性。考虑到潜在的应用，特别是器件制造，非常需要功能分子系统在技术上相关的绝缘或半导体表面上的直接集成。近来，为在非金属基底上实现化学反应做出了巨大的努力。然而，其催化机理的细节仍不清楚，需要进一步研究。另一方面，已经证明了各种方法用例如光化学或直接的尖端操作来代替金属的催化功能。在此观点中，我们回顾了非金属表面受限反应领域的早期进展，并重点介绍了即将到来的机遇和挑战。我们首先描述反应类型的最新进展，然后介绍各种外部催化方法，最后指出有希望的未来方向。我们回顾了非金属表面受限反应领域的早期进展，并重点介绍了即将到来的机遇和挑战。我们首先描述反应类型的最新进展，然后介绍各种外部催化方法，最后指出有希望的未来方向。我们回顾了非金属表面受限反应领域的早期进展，并重点介绍了即将到来的机遇和挑战。我们首先描述反应类型的最新进展，然后介绍各种外部催化方法，最后指出有希望的未来方向。

更新日期：2021-01-04

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