globalchange  > 气候减缓与适应
DOI: 10.1021/acsami.8b22434
WOS记录号: WOS:000459221900065
论文题名:
Direct Z-Scheme g-C3N4/FeWO4 Nanocomposite for Enhanced and Selective Photocatalytic CO2 Reduction under Visible Light
作者: Bhosale, Reshma1,2; Jain, Srashti1,2; Vinod, Chathakudath Prabhakaran3; Kumar, Santosh4; Ogale, Satishchandra1,2
通讯作者: Kumar, Santosh ; Ogale, Satishchandra
刊名: ACS APPLIED MATERIALS & INTERFACES
ISSN: 1944-8244
出版年: 2019
卷: 11, 期:6, 页码:6174-6183
语种: 英语
英文关键词: Photocatalysis ; CO2 reduction ; solar fuels ; C3N4 ; FeWO4 ; Z-scheme
WOS关键词: HYDROGEN EVOLUTION ; CONVERSION ; WATER ; AG3PO4/G-C3N4 ; DECOMPOSITION ; PERFORMANCE ; COMPOSITES ; NANOSHEETS ; MECHANISM ; TUNGSTATE
WOS学科分类: Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS研究方向: Science & Technology - Other Topics ; Materials Science
英文摘要:

Photocatalytic reduction of CO2 to renewable solar fuels is considered to be a promising strategy to simultaneously solve both global warming and energy crises. However, development of a superior photocatalytic system with high product selectivity for CO2 reduction under solar light is the prime requisite. Herein, a series of nature-inspired Z-scheme g C3N4/FeWO4 composites are prepared for higher performance and selective CO2 reduction to CO as solar fuel under solar light. The novel direct Z-scheme coupling of the visible light-active FeWO4 nanoparticles with C3N4 nanosheets is seen to exhibit excellent performance for CO production with a rate of 6 mu mol/g/h at an ambient temperature, almost 6 times higher compared to pristine C3N4 and 15 times higher than pristine FeWO4. More importantly, selectivity for CO is 100% over other carbon products from CO, reduction and more than 90% over. H-2 products from water splitting. Our results clearly demonstrate that the staggered band structure between FeWO4 and C3N4 reflecting the nature-inspired Z-scheme system not only favors superior spatial separation of the electron hole pair in g-C3N4/FeWO4 but also shows good reusability. The present work provides unprecedented insights for constructing the direct Z-scheme by mimicking the nature for high performance and selective photocatalytic CO2 reduction into solar fuels under solar light.


Citation statistics:
被引频次[WOS]:164   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/129839
Appears in Collections:气候减缓与适应

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作者单位: 1.IISER, Dept Phys, Pune 411008, Maharashtra, India
2.IISER, Ctr Energy Sci, Pune 411008, Maharashtra, India
3.CSIR Natl Chem Lab, Catalysis Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
4.Univ Bath, Dept Chem Engn, Bath BA2 7AY, Avon, England

Recommended Citation:
Bhosale, Reshma,Jain, Srashti,Vinod, Chathakudath Prabhakaran,et al. Direct Z-Scheme g-C3N4/FeWO4 Nanocomposite for Enhanced and Selective Photocatalytic CO2 Reduction under Visible Light[J]. ACS APPLIED MATERIALS & INTERFACES,2019-01-01,11(6):6174-6183
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