gchange  > 影响、适应和脆弱性
DOI: 10.1016/j.jcou.2017.05.021
Scopus ID: 2-s2.0-85020403212
Title:
Cu2ZnSnS4 (CZTS)-ZnO: A noble metal-free hybrid Z-scheme photocatalyst for enhanced solar-spectrum photocatalytic conversion of CO2 to CH4
Author: Zubair M.; Razzaq A.; Grimes C.A.; In S.-I.
Source Publication: Journal of CO2 Utilization
ISSN: 22129820
Indexed By: SCI-E ; EI ; Scopus
Publishing Year: 2017
Volume: 20
pages begin: 301
pages end: 311
Language: 英语
Keyword: CO2 conversion ; Hybrid photocatalyst ; Nanoparticles ; Nanorods ; Solar spectrum active ; Z-scheme
Scopus Keyword: Cost effectiveness ; Electromagnetic wave absorption ; Electronic properties ; Heterojunctions ; Light absorption ; Nanoparticles ; Nanorods ; Precious metals ; Solar radiation ; Zinc oxide ; Heterojunction interfaces ; Hybrid photocatalysts ; Optical and electronic properties ; Photocatalytic materials ; Photocatalytic performance ; Simulated solar light ; Solar spectrum ; Z-scheme ; Carbon dioxide
Subject in Chinese: ; 吸收 ; 太阳辐射 ; 二氧化碳 ; 吸附作用 ; 金属
Subject: CARBON ; ABSORPTION ; SOLAR RADIATION ; CARBON DIOXIDE ; METALS
English Abstract: Development of photocatalytic materials for achieving the aspects of cost-effectiveness, improved performance and high stability is a subject of enormous interest among the photocatalysis research society. With the aim of achieving above mentioned features, herein we report a noble metal free, solar-light active, efficient and highly stable hybrid Cu2ZnSnS4 (CZTS)-ZnO photocatalyst, synthesized by a simple two-step process. The morphological, crystalline, band alignment, optical and electronic properties of the prepared samples are intensively investigated. Photocatalytic performance is evaluated by measuring, under the simulated solar light, the ability of the photocatalyst to convert CO2 into hydrocarbon fuels, primarily CH4. Our optimum CZTS-ZnO photocatalyst sample exhibits a CH4 yield of 138.90 ppm g-1 h-1, a factor of ≈ 31 times greater than the un-sensitized ZnO nanorods, and ≈ 22 times greater than the CZTS nanoparticles; with excellent stability yielding similar CH4 production up to five test-cycles. The enhanced performance of the hybrid, noble metal-free photocatalyst can be attributed to improved light absorption and efficient separation of the photogenerated charge due to the Z-scheme heterojunction interface. © 2017 Elsevier Ltd. All rights reserved.
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被引频次[WOS]:24   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/52709
Appears in Collections:影响、适应和脆弱性

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Recommended Citation:
Zubair M.,Razzaq A.,Grimes C.A.,et al. Cu2ZnSnS4 (CZTS)-ZnO: A noble metal-free hybrid Z-scheme photocatalyst for enhanced solar-spectrum photocatalytic conversion of CO2 to CH4[J]. Journal of CO2 Utilization,2017-01-01,20
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