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Free Content Surface Assisted Reaction under Ultra High Vacuum Conditions

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The construction of covalently bonded molecular structures on single crystal metal surfaces has attracted increasing attention because of the synthetic strategies used and their potential application to molecular electronics and optoelectronics. Unlike traditional organic synthesis, surface-assisted reactions have advantages for structural control of the produced polymers, providing detailed understanding of reaction processes, and, most importantly, they produce new materials that cannot be synthesized by traditional means. The types of reactant, the choice of metal surface, and the initial conditions are critical controlling parameters in surface-assisted reactions. Covalent bonds formed in the reaction ensure that the produced structures have higher mechanical and thermodynamic stability compared with self-assembled monolayers (SAMs). Meanwhile, some conjugated polymers are ideal candidates for semiconductors in next-generation carbon-based electronics. In this review, we summarize the surface assisted reactions reported in recent years and analyze the mechanisms involved, comparing them with the corresponding reactions that occur in solution. Finally, we discuss the important role of substrate surface played in the reaction process.
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Keywords: Covalent bond; Metal surface; Scanning tunneling microscopy; Surface assisted reaction; Ultra high vacuum

Document Type: Research Article

Affiliations: Jiangsu Key Laboratory for Carbon Based Functional Materials and Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, Jiangsu Province, P. R. China

Publication date: January 15, 2016

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  • Acta Physico-Chimica Sinica, founded in 1985, is sponsored by the Chinese Chemical Society and organized by the College of Chemistry and Molecular Engineering, PekingUniversity. Since 1997, Acta Physico-Chimica Sinica has been indexed in SCI of ISI (US). Acta Physico-Chimica Sinica is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, and material physical chemists. Manuscripts that are essentially reporting data, applications of data, or reviews of the literature are not suitable for publication in Acta Physico-Chimica Sinica.
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