2D/2D Pomelo Peel Graphene/g-C3N4/Cu in situ for Enhancing Photocatalytic H2 Production under Visible Light Irradiation

Submitting author affiliation:
South China University of Technology, Guangzhou, China

Beilstein Arch. 2020, 202019. https://doi.org/10.3762/bxiv.2020.19.v1

Published 13 Feb 2020

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This preprint has not been peer-reviewed. When a peer-reviewed version is available, this information will be updated.


Pomelo peel was firstly used as the precursor with activating agent KHCO3 to prepare few layered graphene nanosheets (GS) through gas stripping method. The precursor graphitized and transformed to few layered graphene nanosheets gradually because of the preset temperature program and KHCO3. GS-4-1100, possessed the highest graphitization (ID/IG = 0.14, I2D/IG = 0.923) in 2~3 layers, at the edges. Taking advantages of the excellent electronic transmission performance and unique two-dimensional structure of both graphene and porous graphitic carbon nitride (g-C3N4), 2D/2D graphene/g-C3N4 nanosheet composite was fabricated for photocatalytic hydrogen evolution. The results showed that nano-copper (Cu NPs) performed the hydrogen evolution rate of 1.09 mmol g−1 h−1, while that of GS/CN-2 reached 2.91 mmol g−1 h−1 with in situ 5.49wt% Cu NPs. GS/CN-2/Cu turned out to be a stable and clean photocatalyst for hydrogen production.

Keywords: g-C3N4, photocatalyst H2 production, pomelo peel graphene nanosheets

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Li, B.; Xu, Z.; Zeng, H. Beilstein Arch. 2020, 202019. doi:10.3762/bxiv.2020.19.v1

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