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DOI10.1021/acsami.8b22434
Direct Z-Scheme g-C3N4/FeWO4 Nanocomposite for Enhanced and Selective Photocatalytic CO2 Reduction under Visible Light
Bhosale, Reshma1,2; Jain, Srashti1,2; Vinod, Chathakudath Prabhakaran3; Kumar, Santosh4; Ogale, Satishchandra1,2
发表日期2019
ISSN1944-8244
卷号11期号:6页码:6174-6183
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.


WOS研究方向Science & Technology - Other Topics ; Materials Science
来源期刊ACS APPLIED MATERIALS & INTERFACES
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/93402
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
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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],2019,11(6):6174-6183.
APA Bhosale, Reshma,Jain, Srashti,Vinod, Chathakudath Prabhakaran,Kumar, Santosh,&Ogale, Satishchandra.(2019).Direct Z-Scheme g-C3N4/FeWO4 Nanocomposite for Enhanced and Selective Photocatalytic CO2 Reduction under Visible Light.ACS APPLIED MATERIALS & INTERFACES,11(6),6174-6183.
MLA Bhosale, Reshma,et al."Direct Z-Scheme g-C3N4/FeWO4 Nanocomposite for Enhanced and Selective Photocatalytic CO2 Reduction under Visible Light".ACS APPLIED MATERIALS & INTERFACES 11.6(2019):6174-6183.
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