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Angewandte Chemie. international edition v.57 no.27, 2018년, pp.8130 - 8134   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Real‐Time Probing of Nanowire Assembly Kinetics at the Air–Water Interface by In Situ Synchrotron X‐Ray Scattering

He, Zhen (Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, Hefei Science Center of CAS, University of Science and Technology of China, Hefei, 230026, China ) ; Jiang, Hui‐Jun (Department of Chemical Physics & Hefei National Research Center for Physical Sciences at Microscales, iChEM, University of Science and Technology of China, Hefei, 230026, China ) ; Wu, Long‐Long (School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China ) ; Liu, Jian‐Wei (Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, Hefei Science Ce ) ; Wang, Geng ; Wang, Xiao ; Wang, Jin‐Long ; Hou, Zhong‐Huai ; Chen, Gang ; Yu, Shu‐Hong ;
  • 초록  

    Abstract Although many assembly strategies have been used to successfully construct well‐aligned nanowire (NW) assemblies, the understanding of their assembly kinetics has remained elusive, which restricts the development of NW‐based device and circuit fabrication. Now a versatile strategy that combines interfacial assembly and synchrotron‐based grazing‐incidence small‐angle X‐ray scattering (GISAXS) is presented to track the assembly evolution of the NWs in real time. During the interface assembly process, the randomly dispersed NWs gradually aggregate to form small ordered NW‐blocks and finally are constructed into well‐defined NW monolayer driven by the conformation entropy. The NW assembly mechanism can be well revealed by the thermodynamic analysis and large‐scale molecular dynamics theoretical evaluation. These findings point to new opportunities for understanding NW assembly kinetics and manipulating NW assembled structures by bottom‐up strategy.


  • 주제어

    GISAXS .   in situ characterization .   molecular dynamics simulation .   nanowires .   thermodynamics simulation.  

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