Steering On-Surface Reactions by a Self-Assembly Approach

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  • Qiwei Chen, Peking University
  • ,
  • Jacob R. Cramer
  • ,
  • Jing Liu, Peking University
  • ,
  • Xin Jin, Peking University
  • ,
  • Peilin Liao, Purdue University,
  • Xiang Shao, University of Science and Technology of China
  • ,
  • Kurt V. Gothelf
  • Kai Wu, Peking University

4,4'-Bis(2,6-difluoropyridin-4-yl)-1,1':4',1 ''-terphenyl (BDFPTP) molecules underwent dehydrocyclization and covalent coupling reactions on Au(111) according to scanning tunneling microscopy (STM) measurements and density functional theory (DFT) calculations. Self-assembly of the reactants in well-defined molecular domains prior to reaction could greatly enhance the regioselectivity of the dehydrocyclization reaction and suppress defluorinated coupling, demonstrating that self-assembly can efficiently steer on-surface reactions. Such a strategy could be of great importance in surface chemistry and widely applied to control on-surface reactions.

Original languageEnglish
JournalAngewandte Chemie International Edition
Pages (from-to)5026-5030
Number of pages5
Publication statusPublished - 24 Apr 2017

    Research areas

  • density functional theory, dehydrocyclization, on-surface reaction, scanning tunneling microscope, self-assembly, TERMINAL ALKYNES, METAL-SURFACES, MOLECULAR WIRES, AU(111) SURFACE, NOBLE-METAL, COVALENT, POLYMERIZATION, NANOSTRUCTURES, POLYPHENYLENE

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