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Polymer Bulletin
Erschienen in: Polymer Bulletin 6/2019

27.09.2018 | Original Paper

Building an electron push–pull system of linear conjugated polymers for improving photocatalytic hydrogen evolution efficiency

verfasst von: Zijian Wang, Na Mao, Yongbo Zhao, Tongjia Yang, Feng Wang, Jia-Xing Jiang

Erschienen in: Polymer Bulletin | Ausgabe 6/2019

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Abstract

A series of linear conjugated polymers with different acceptor units has been synthesized and applied as photocatalysts for hydrogen evolution from water splitting. It was found that the introduction of nitrogen atom into the polymer skeleton could efficiently improve the photocatalytic performance due to the improvement in charge carriers’ transport and separation, and the enhanced interfacial wettability from the hydrogen-bonding interaction between nitrogen atom and water molecule. The replacement position of nitrogen atom also has a big influence on the photocatalytic performance due to the enhanced internal dipole orientation. A high hydrogen evolution rate of 18.7 µmol h−1 was achieved by PyPm with strong acceptor unit of pyrimidine. The results demonstrate that the construction of an electronic push–pull system is an efficient strategy to produce linear conjugated polymer photocatalysts with high photocatalytic performance.

Graphical abstract

Vorheriger Artikel Conducting hydrogel based on chitosan, polypyrrole and magnetite nanoparticles: a broadband dielectric spectroscopy study
Nächster Artikel Electrochemical supercapacitors of PANI/MWCNT, PEDOT/MWCNT and P(ANI-co-EDOT)/MWCNT nanocomposites

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Metadaten
Titel
Building an electron push–pull system of linear conjugated polymers for improving photocatalytic hydrogen evolution efficiency
verfasst von
Zijian Wang
Na Mao
Yongbo Zhao
Tongjia Yang
Feng Wang
Jia-Xing Jiang
Publikationsdatum
27.09.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 6/2019
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-018-2535-3

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