气候变化领域集成服务门户(CCPortal): MoS2/TiO2 heterostructures as nonmetal plasmonic photocatalysts for highly efficient hydrogen evolution

CCPortal

DOI	10.1039/c7ee02464a
	MoS2/TiO2 heterostructures as nonmetal plasmonic photocatalysts for highly efficient hydrogen evolution
	Guo L.; Yang Z.; Marcus K.; Li Z.; Luo B.; Zhou L.; Wang X.; Du Y.; Yang Y.
发表日期	2018
ISSN	17545692
起始页码	106
结束页码	114
卷号	11 期号:1
英文摘要	In this study, we report nonmetal plasmonic MoS2@TiO2 heterostructures for highly efficient photocatalytic H2 generation. Large area laminated MoS2 in conjunction with TiO2 nanocavity arrays is achieved via carefully controlled anodization, physical vapor deposition, and chemical vapor deposition processes. The broad spectral response ranging from ultraviolet-visible (UV-vis) to near-infrared (NIR) wavelengths and finite element frequency-domain simulations suggest that this MoS2@TiO2 heterostructure enhances photocatalytic activity for H+ reduction. A high H2 yield rate of 181 μmol h-1 cm-2 (equal to 580 mmol h-1 g-1 based on the loading mass of MoS2) is achieved using a low catalyst loading mass. The spatially uniform heterostructure, correlated with plasmon-resonance through the conformal MoS2 coating that effectively regulates charge transfer pathways, is proven to be vitally important for the unique solar energy harvesting and photocatalytic H2 production. As an innovative exploration, our study demonstrates that the photocatalytic activities of nonmetal, earth-abundant materials can be enhanced with plasmonic effects, which may serve as an excellent catalytic agent for solar energy conversion to chemical fuels. © The Royal Society of Chemistry.
英文关键词	Catalysts; Charge transfer; Chemical vapor deposition; Deposition; Energy conversion; Energy harvesting; Frequency domain analysis; Heterojunctions; Hydrogen production; Infrared devices; Molybdenum compounds; Photocatalysis; Photocatalysts; Physical vapor deposition; Plasmons; Solar energy; Titanium compounds; Titanium dioxide; Vapor deposition; Chemical vapor deposition process; Controlled anodization; Earth-abundant materials; Frequency domain simulation; Hydrogen evolution; Near-infrared wavelength; Photocatalytic activities; Plasmonic photocatalysts; Sulfur compounds; catalysis; catalyst; coating; efficiency measurement; hydrogen; innovation; solar power; wavelength
语种	英语
来源期刊	Energy & Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/190352
作者单位	NanoScience Technology Center, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States; Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, United States; Department of Materials Science and Engineering, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States; State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
推荐引用方式 GB/T 7714	Guo L.,Yang Z.,Marcus K.,et al. MoS2/TiO2 heterostructures as nonmetal plasmonic photocatalysts for highly efficient hydrogen evolution[J],2018,11(1).
APA	Guo L..,Yang Z..,Marcus K..,Li Z..,Luo B..,...&Yang Y..(2018).MoS2/TiO2 heterostructures as nonmetal plasmonic photocatalysts for highly efficient hydrogen evolution.Energy & Environmental Science,11(1).
MLA	Guo L.,et al."MoS2/TiO2 heterostructures as nonmetal plasmonic photocatalysts for highly efficient hydrogen evolution".Energy & Environmental Science 11.1(2018).