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Rapid and energy-efficient preparation of boron doped g-C3N4 with excellent performance in photocatalytic H2-evolution

Chen, Pengfei, Xing, Pingxing, Chen, Zhiqiang, Lin, Hongjun, He, Yiming·2018·International Journal of Hydrogen Energy

Abstract

Abstract Microwaving heating method, which shows significantly higher efficiency in synthesis time and energy utilization than conventional heating method, was firstly applied to synthesize boron doped g-C3N4 (B-g-C3N4). Results demonstrated that B-g-C3N4 could be prepared in 35 min via the method. XRD and XPS analyses verified the successfully doping of B element into the structure of g-C3N4. The doped B improved the photoabsorption performance of g-C3N4. Meanwhile, it greatly hindered the annihilation of charge carriers, prolonging the lifetime of photogenerated electrons, and thereby resulting in the excellent photocatalytic activity. The optimal B-g-C3N4 exhibited a H2 production rate of 1439 and 400 μmol g−1 h−1 under simulated sunlight and visible light irradiation, respectively. This values are about 2.4 times higher than that of pure g-C3N4. This study offered an energy-efficient and rapid way for the synthesis of external atom doped g-C3N4 with high catalytic efficiency.

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Metadata

Authors
Chen, P., Xing, P., Chen, Z., Lin, H., & He, Y.
Venue
International Journal of Hydrogen Energy
Publisher
Elsevier BV
Published
2018-10
Volume
43
Issue
43
Pages
19984-19989
ISSN
0360-3199 (ISSN-L)
OpenAlex
W2894819055
Cited by
178
References
2
FWCI
4.30
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Rapid and energy-efficient preparation of boron doped g-C3N4 with excellent performance in photocatalytic H2-evolution. https://app.cochat.ai/papers/10.1016/j.ijhydene.2018.09.078
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Chen, P., Xing, P., Chen, Z., Lin, H., & He, Y. (2018). Rapid and energy-efficient preparation of boron doped g-C3N4 with excellent performance in photocatalytic H2-evolution. International Journal of Hydrogen Energy. https://doi.org/10.1016/j.ijhydene.2018.09.078

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