An efficient and multifunctional S-scheme heterojunction photocatalyst constructed by tungsten oxide and graphitic carbon nitride: Design and mechanism study

doi:10.1016/j.jcis.2022.12.039

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	An efficient and multifunctional S-scheme heterojunction photocatalyst constructed by tungsten oxide and graphitic carbon nitride: Design and mechanism study
	Y. Shang, C. Wang, C. Yan, F. Jing, M. Roostaeinia, Y. Wang, G. Chen and C. Lv
	2023
Source Publication	Journal of Colloid and Interface Science
ISSN	00219797
Volume	634 Pages:195-208
Abstract	The design of multifunctional photocatalyst with strong redox performance is the key to achieve sustainable utilization of solar energy. In this study, an elegant S-scheme heterojunction photocatalyst was constructed between metal-free graphitic carbon nitride (g-C3N4) and noble-metal-free tungsten oxide (W18O49). As-established S-scheme heterojunction photocatalyst enabled multifunctional photocatalysis behavior, including hydrogen production, degradation (Rhodamine B) and bactericidal (Escherichia coli) properties, which represented extraordinary sustainability. Finite-difference time-domain (FDTD) simulations manifested that the integration of double-layer hollow g-C3N4 nanotubes with W18O49 nanowires could expand the light harvesting ability. Demonstrated by density functional theory (DFT) calculations and electron spin resonance (ESR) measurements, the S-scheme heterojunction not only promoted the separation of carriers, but also improved the redox ability of the catalyst. This work provides a theoretical basis for enhancing the photocatalytic performances and broadening the application field of photocatalysis. © 2022 Elsevier Inc.
DOI	10.1016/j.jcis.2022.12.039
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Indexed By	sci ; ei
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Document Type	期刊论文
Identifier	http://ir.ciomp.ac.cn/handle/181722/67828
Collection	中国科学院长春光学精密机械与物理研究所
Recommended Citation GB/T 7714	Y. Shang, C. Wang, C. Yan, F. Jing, M. Roostaeinia, Y. Wang, G. Chen and C. Lv. An efficient and multifunctional S-scheme heterojunction photocatalyst constructed by tungsten oxide and graphitic carbon nitride: Design and mechanism study[J]. Journal of Colloid and Interface Science,2023,634:195-208.
APA	Y. Shang, C. Wang, C. Yan, F. Jing, M. Roostaeinia, Y. Wang, G. Chen and C. Lv.(2023).An efficient and multifunctional S-scheme heterojunction photocatalyst constructed by tungsten oxide and graphitic carbon nitride: Design and mechanism study.Journal of Colloid and Interface Science,634,195-208.
MLA	Y. Shang, C. Wang, C. Yan, F. Jing, M. Roostaeinia, Y. Wang, G. Chen and C. Lv."An efficient and multifunctional S-scheme heterojunction photocatalyst constructed by tungsten oxide and graphitic carbon nitride: Design and mechanism study".Journal of Colloid and Interface Science 634(2023):195-208.

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中国科学院长春光学精密机械与物理研究所