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Simply blending Ni nanoparticles with typical photocatalysts for efficient photocatalytic H2 production

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Abstract

A photocatalytic system construction method of simply blending as-prepared Ni nanoparticles (Ni NPs) with g-C3N4 was carried out to greatly improve the photocatalytic activity of g-C3N4. In the photocatalytic H2 production process, Ni NPs were not anchored on the surface of g-C3N4, but they existed in the reaction solution as freestanding nanoparticles; the continuous and frequent collision-contact between Ni NPs and g-C3N4 could efficiently promote the migration of photogenerated charges of g-C3N4, leading to an enhanced photocatalytic H2-production activity. Moreover, this simple blend method can be applied to other photocatalysts (such as TiO2 and CdS), and this blend method provides a simple, repetitive and generally applicable way to build a noble-metal-free photocatalytic system for the efficient photocatalytic H2-production activity of the photocatalyst with Ni as the cocatalyst.

Graphical abstract: Simply blending Ni nanoparticles with typical photocatalysts for efficient photocatalytic H2 production

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Publication details

The article was received on 26 Sep 2019, accepted on 11 Nov 2019 and first published on 12 Nov 2019


Article type: Paper
DOI: 10.1039/C9CY01943J
Catal. Sci. Technol., 2019, Advance Article

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    Simply blending Ni nanoparticles with typical photocatalysts for efficient photocatalytic H2 production

    C. Cheng, J. Shi, F. Du, S. Zong, X. Guan, Y. Zhang, M. Liu and L. Guo, Catal. Sci. Technol., 2019, Advance Article , DOI: 10.1039/C9CY01943J

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