Microporous polymer based on hexaazatriphenylene-fused triptycene for CO2 capture and conversion

More info
  • ReceivedAug 10, 2019
  • AcceptedSep 23, 2019
  • PublishedNov 5, 2019


Funded by

the National Natural Science Foundation of China(21875079,21672078)


This work was supported by the National Natural Science Foundation of China (21875079 and 21672078). We thank the Analytical and Testing Center of Huazhong University of Science and Technology for related analysis. We also thank Dr. Yu Yao and Wuhan National High Magnetic Field Center for analysis of solid-state NMR.

Interest statement

The authors declare that they have no conflict of interest.

Contributions statement

Zhang C and Ma H conceived, coordinated the research, and designed the experiments. Zhang C acquired funding. Ma H conducted all experiments, analyzed the data and wrote the manuscript. Zhang C supervised the whole project. All the authors participated in discussions of the research.

Author information

Hui Ma got his BSc and MSc degrees from the College of Life Science and Technology, Huazhong University of Science and Technology. Now, he is a PhD candidate in the College of Life Science and Technology, Huazhong University of Science and Technology. His research interest focuses on the design and synthesis of triptycence-based porous organic polymer.

Chun Zhang received his PhD from the Institute of Chemistry, Chinese Academy of Sciences. He is currently a professor of the College of Life Science and Technology at Huazhong University of Science and Technology. His research interests are mainly focused on porous materials and nanomaterials.


Supplementary information

Supporting data are available in the online version of the paper.


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  • Figure 1

    Electron microscopy images of HAT-TP and Zn/HAT-TP. Representative TEM images of HAT-TP (a) and Zn/HAT-TP (b). Representative SEM images of HAT-TP (c) and Zn/HAT-TP (d). (e) Another SEM image of Zn/HAT-TP and the corresponding EDX mappings for C, N and Zn atoms. Scale bar: 100 nm  (a, b), 1 µm (c–e).

  • Scheme 1

    Synthesis of Zn/HAT-TP.

  • Figure 2

    Gas sorption test of HAT-TP and Zn/HAT-TP. (a) Nitrogen sorption and desorption isotherms of HAT-TP at 77 K. (b) Pore size distribution calculated for HAT-TP. CO2 adsorption and desorption isotherms of HAT-TP and Zn/HAT-TP at 273 K (c) and 298 K (d). In (a), (c), and (d), filled symbols denote gas adsorption and empty symbols denote desorption.

  • Figure 3

    XPS analysis on HAT-TP and Zn/HAT-TP. The C 1s spectra of HAT-TP (a) and Zn/HAT-TP (c). The N 1s spectra of HAT-TP (b) and Zn/HAT-TP (d).

  • Table 1   Catalytic data of cycloaddition of propylene oxide with CO



    Yield (%)


    Zn/HAT-TP + TBAB








    Reaction conditions: 5 mmol epoxides with 7.2 mg catalyst and 116 mg TBAB, CO2 pressure 1 atm, room temperature, reaction time 48 h. Isolated yields determined by 1H NMR

  • Table 2   Different substituted epoxides coupled with CO, catalyzed by Zn/HAT-TP at room temperature and atmospheric pressure




    Yields (%)











    Reaction conditions: 5 mmol epoxides with 7.2 mg catalyst and 116 mg TBAB, CO2 pressure 1 atm, room temperature, reaction time 48 h. Isolated yields determined by 1H NMR