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Issue 41, 2020
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Conductive polymer supported and confined iron phosphide nanocrystals for boosting the photocatalytic hydrogen production of graphitic carbon nitride

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Abstract

The development of earth-abundant cocatalysts with confined size on suitable conductive supports is of high importance for facilitating solar energy conversion using semiconductors. In this work, a green redox relay reaction between FeCl3 and a pyrrole (Py) monomer was developed for the synthesis of g-C3N4–PPy–FeP, in which FeCl3 realized the formation of PPy over graphitic carbon nitride, and the as-formed PPy confined and tightly supported Fe ions, which were then transformed into the nanosized FeP of diameter less than 5 nm. A highly porous morphology was obtained by inserting well-dispersed g-C3N4 into PPy, accompanied by conductive PPy and nanosized FeP acting as a mediator of charge carriers and high-performance cocatalyst, respectively. Consequently, optimal g-C3N4–PPy–FeP demonstrated a photocatalytic hydrogen evolution activity 6 and 20 times larger than that of g-C3N4 singly loaded separately with PPy and FeP, respectively, under visible light irradiation.

Graphical abstract: Conductive polymer supported and confined iron phosphide nanocrystals for boosting the photocatalytic hydrogen production of graphitic carbon nitride

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Supplementary files

Article information


Submitted
15 Jul 2020
Accepted
24 Sep 2020
First published
24 Sep 2020

J. Mater. Chem. C, 2020,8, 14540-14547
Article type
Paper

Conductive polymer supported and confined iron phosphide nanocrystals for boosting the photocatalytic hydrogen production of graphitic carbon nitride

T. Li, K. Wang, Q. Fang, Y. Zhang, B. Wang, R. Li, Y. Lin, K. Liu, H. Xie and K. Li, J. Mater. Chem. C, 2020, 8, 14540
DOI: 10.1039/D0TC03348K

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