Fabrication of 2D Hetero-Complexes With Nucleic-Acid-Base Adenine and Fatty-Acid Stearic Acid at Liquid/Solid Interface

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  • Huiling Zhao, Henan University, Sino-Danish Center for Education and Research
  • ,
  • Qian Yang
  • Zegao Wang, Sichuan University, Sino-Danish Center for Education and Research
  • ,
  • Hang Zhao, Sichuan University
  • ,
  • Bo Liu, Henan University
  • ,
  • Qianming Chen, Sichuan University
  • ,
  • Mingdong Dong

Designing and fabricating hetero-complexes composed of organic and biological compounds had become an exciting area referring to biological recognition, molecular devices etc. Here, hydrogen-bonded complex of nucleic-acid-base (adenine, A) and fatty-acid (stearic acid, SA) was designed, fabricated and investigated at liquid/solid interface. The interesting striped-shaped structure composed of SA-A-SA trimers was formed after introducing adenine molecules. Meanwhile, the primary lamella-shape characteristic of the assembly of SA molecules was kept because of the collaboration of non-covalent interactions of molecule-molecule and molecule-substrate. With a series of experimental characterization and theoretical simulation, the origination of the as-prepared 2D hetero-complexes was gradually exhibited from the assembled structures of two building blocks of stearic acid and adenine. Our study provides a blueprint for designing additional multi-component complexes based on the existing molecular assembled architectures.

Original languageEnglish
Article number513
JournalFrontiers in chemistry
Volume7
Number of pages6
ISSN2296-2646
DOIs
Publication statusPublished - Jul 2019

    Research areas

  • scanning tunneling microscopy (STM), supramolecular, self-assembly, non-covalent interaction, hydrogen bond, building block, SCANNING-TUNNELING-MICROSCOPY, SOLID INTERFACE, DNA, GRAPHITE, PHTHALOCYANINES, MACROCYCLES, RECOGNITION, ADSORPTION, PATTERNS, LENGTH

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