气候变化领域集成服务门户(CCPortal): Photocatalytic hydrogen evolution mechanisms mediated by stereoactive lone pairs of Sb2VO5 in quantum dot heterostructures

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DOI	10.1016/j.checat.2023.100844
	Photocatalytic hydrogen evolution mechanisms mediated by stereoactive lone pairs of Sb2VO5 in quantum dot heterostructures
	Zaheer, Wasif; McGranahan, Caitlin R.; Ayala, Jaime R.; Garcia-Pedraza, Karoline; Carrillo, Luis J.; Rothfuss, Arianna R. M.; Wijethunga, Udani; Agbeworvi, George; Giem, Alice R.; Andrews, Justin L.; Handy, Joseph V.; Perez-Beltran, Saul; Calderon-Oliver, Rolando; Ma, Lu; Ehrlich, Steven N.; Jaye, Cherno; Weiland, Conan; Fischer, Daniel A.; Watson, David F.; Banerjee, Sarbajit
发表日期	2024
ISSN	2667-1093
起始页码	4
结束页码	1
卷号	4 期号:1
英文摘要	Photocatalytic water splitting is a promising approach to generate clean hydrogen fuel and reduce climate change. Emulating Nature, semiconductor heterostructures with optimally aligned electronic states represent a promising design strategy. We report a tunable photocatalytic architecture by interfacing chalcogenide quantum dots (QDs) with Sb2VO5, a metal oxide semiconductor with a high density of optimally positioned lone -pair -derived mid -gap states, which enables barrier -less hole extraction from photoexcited CdS QDs. Comprehensive photoelectrochemical analyses show that the photoinduced charge carriers can catalyze reduction or oxidation half -reactions depending on the electrolyte composition, reactor environment, and the presence of co -catalysts. Ligandbridged Sb2VO5-cysteine-CdS heterostructures photocatalytically generate H2 without the need for an applied potential, external circuit, or counter electrode. The results provide a remarkable demonstration of the design of photocatalytic heterostructures based on electronic structure considerations to reduce energetic offsets and improve interfacial charge transfer to efficiently generate carbonfree H2.
语种	英语
WOS研究方向	Chemistry
WOS类目	Chemistry, Physical
WOS记录号	WOS:001167581500001
来源期刊	CHEM CATALYSIS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/292159
作者单位	Texas A&M University System; Texas A&M University College Station; Texas A&M University System; Texas A&M University College Station; United States Department of Energy (DOE); Lawrence Berkeley National Laboratory; State University of New York (SUNY) System; State University of New York (SUNY) Buffalo; United States Department of Energy (DOE); Brookhaven National Laboratory; National Institute of Standards & Technology (NIST) - USA
推荐引用方式 GB/T 7714	Zaheer, Wasif,McGranahan, Caitlin R.,Ayala, Jaime R.,et al. Photocatalytic hydrogen evolution mechanisms mediated by stereoactive lone pairs of Sb2VO5 in quantum dot heterostructures[J],2024,4(1).
APA	Zaheer, Wasif.,McGranahan, Caitlin R..,Ayala, Jaime R..,Garcia-Pedraza, Karoline.,Carrillo, Luis J..,...&Banerjee, Sarbajit.(2024).Photocatalytic hydrogen evolution mechanisms mediated by stereoactive lone pairs of Sb2VO5 in quantum dot heterostructures.CHEM CATALYSIS,4(1).
MLA	Zaheer, Wasif,et al."Photocatalytic hydrogen evolution mechanisms mediated by stereoactive lone pairs of Sb2VO5 in quantum dot heterostructures".CHEM CATALYSIS 4.1(2024).