Synthesis and Characterization of a Large-Sized π-Conjugated Copper(II) Complex Nanosheet

  • Yurong Liu
  • Zhiyuan XieEmail author
  • Wai-Yeung WongEmail author


Inspired by the flexibility of the bottom-up approach in choosing building blocks of two-dimensional (2D) materials, a π-conjugated metal complex nanosheet (HHTP-Cu) was successfully prepared by the coordination of the ligand 2,3,6,7,10,11-hexahydroxytriphenylene (HHTP) and Cu(II) ion at the water/oil interface. Field-emission scanning electron microscopy disclosed the large-size domain and transmission electron microscopy revealed the sheet morphology of the nanosheet. The flat and smooth surface was also confirmed by atomic force microscopy which further demonstrated the proposed structure. Energy dispersive X-ray spectroscopy was applied to verify the homogeneous distribution of the elements while X-ray photoelectron spectroscopy was used to investigate the composition of the nanosheet.


2D material Nanosheet Metal complex Metallopolymer Bottom-up approach 



We thank the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20170303160036674), the Hong Kong Research Grants Council (PolyU 153051/17P), the National Natural Science Foundation of China (51573151), the Areas of Excellence Scheme of HKSAR (AoE/P-03/08), the Hong Kong Polytechnic University (1-ZE1C) and the Endowed Professorship from Ms. Clarea Au (847S) for the financial support. We also thank the Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences.


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Authors and Affiliations

  1. 1.The Hong Kong Polytechnic University Shenzhen Research InstituteShenzhenPeople’s Republic of China
  2. 2.Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic UniversityHong KongPeople’s Republic of China
  3. 3.Hong Kong Baptist University Institute of Research and Continuity Education, Shenzhen Virtual University ParkShenzhenPeople’s Republic of China
  4. 4.State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople’s Republic of China

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