a.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
b.School of Chemistry, University of Bristol, BS8 1TS Bristol, U.K.
yzliao@dhu.edu.cn
收稿:2020-12-26,
修回:2021-1-19,
录用:2021-2-25,
网络首发:2021-05-25,
纸质出版:2021-06-18
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Zeng, Q. R.; Cheng, Z. H.; Yang, C.; He, Y.; Meng, N.; Faul, C. F. J.; Liao, Y. Z. Metal-free synthesis of pyridyl conjugated microporous polymers for photocatalytic hydrogen evolution. Chinese J. Polym. Sci. 2021, 39, 1004–1012
Qin-Ruo Zeng, Zhong-Hua Cheng, Chen Yang, et al. Metal-free Synthesis of Pyridyl Conjugated Microporous Polymers for Photocatalytic Hydrogen Evolution[J]. Chinese Journal of Polymer Science, 2021, 39(8): 1004-1012.
Zeng, Q. R.; Cheng, Z. H.; Yang, C.; He, Y.; Meng, N.; Faul, C. F. J.; Liao, Y. Z. Metal-free synthesis of pyridyl conjugated microporous polymers for photocatalytic hydrogen evolution. Chinese J. Polym. Sci. 2021, 39, 1004–1012 DOI: 10.1007/s10118-021-2574-3.
Qin-Ruo Zeng, Zhong-Hua Cheng, Chen Yang, et al. Metal-free Synthesis of Pyridyl Conjugated Microporous Polymers for Photocatalytic Hydrogen Evolution[J]. Chinese Journal of Polymer Science, 2021, 39(8): 1004-1012. DOI: 10.1007/s10118-021-2574-3.
Developing efficient
stable and sustainable photocatalysts for water splitting is one of the most significant methods for generating hydrogen. Conjugated microporous polymers
as a new type of organic semiconductor photocatalyst
have adjustable bandgaps and high specific surface areas
and can be synthesized using diverse methods. In this work
we report the design and synthesis of a series of pyridyl conjugated microporous polymers (PCMPs) utilizing polycondensation of aromatic aldehydes and aromatic ketones in the presence of ammonium acetate. PCMPs with different chemical structures were synthesized
via
adjusting monomers with different geometries and contents of nitrogen element
which could adjust the bandgap and photocatalytic performance. Photocatalytic hydrogen evolution rate (HER) up to 1198.9 μmol·h
−1
·g
−1
was achieved on the optimized polymer with a specific surface area of 312 m
2
·g
−1
under UV-Vis light irradiation (
λ
>
320 nm). This metal-free synthetic method provides a new avenue to preparing an efficient photocatalyst for hydrogen evolution.
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