Applied Catalysis B: Environmental, volume 241, pages 528-538
All-solid-state artificial Z-scheme porous g-C3N4/Sn2S3-DETA heterostructure photocatalyst with enhanced performance in photocatalytic CO2 reduction
3
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230021, PR China
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Publication type: Journal Article
Publication date: 2019-02-01
Journal:
Applied Catalysis B: Environmental
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 22.1
ISSN: 09263373, 18733883
Catalysis
Process Chemistry and Technology
General Environmental Science
Abstract
• Novel porous g-C 3 N 4 /Sn 2 S 3 -DETA composites were obtained. • The composites exhibited excellent photocatalytic CO 2 reduction and stability. • Direct Z-scheme photocatalytic mechanism used to explain activity enhancement. • DFT calculation further confirms the presence of direct Z-scheme mechanism. Nowadays, the increasing CO 2 emissions have attracted widespread attentions and it is necessary to reduce CO 2 emissions to solve the global warming problem. So photocatalytic reduction of CO 2 into chemical fuels is a promising strategy. Here, a Z-scheme porous g-C 3 N 4 /Sn 2 S 3 -diethylenetriamine (Pg-C 3 N 4 /Sn 2 S 3 -DETA) composite without an electron intermediary is designed. Photocatalytic performance of the as-fabricated samples is investigated on the basis of photocatalytic CO 2 reduction (PCR) to form CH 4 and CH 3 OH. We find that the Z-scheme heterostructure photocatalysts show a higher PCR performance than Pg-C 3 N 4 and Sn 2 S 3 -DETA. An optimized Pg-C 3 N 4 /Sn 2 S 3 -DETA heterostructure sample displays high CH 4 production rate of 4.84 μmol h −1 g −1 and CH 3 OH-production rate of 1.35 μmol h −1 g −1 with 5% Pg-C 3 N 4 content. The superior PCR performance could be ascribed to the special structure of a direct Z-scheme Pg-C 3 N 4 /Sn 2 S 3 -DETA photocatalyst, which is beneficial to efficient separation of electron-hole pairs. Density functional theory (DFT) calculation further confirms the presence of direct Z-scheme mechanism. This Z-scheme heterostructure photocatalyst with superior performance may inaugurate the perspective on a new promising hierarchy of materials on CO 2 photoreduction.
Top-30
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Citations by publishers
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2 publications, 0.57%
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1 publication, 0.29%
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IOS Press
1 publication, 0.29%
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1 publication, 0.29%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Huo Y. et al. All-solid-state artificial Z-scheme porous g-C3N4/Sn2S3-DETA heterostructure photocatalyst with enhanced performance in photocatalytic CO2 reduction // Applied Catalysis B: Environmental. 2019. Vol. 241. pp. 528-538.
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Huo Y., Zhang J., Li Q., Lv J., Zhu G., Liang C. All-solid-state artificial Z-scheme porous g-C3N4/Sn2S3-DETA heterostructure photocatalyst with enhanced performance in photocatalytic CO2 reduction // Applied Catalysis B: Environmental. 2019. Vol. 241. pp. 528-538.
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TY - JOUR
DO - 10.1016/j.apcatb.2018.09.073
UR - https://doi.org/10.1016/j.apcatb.2018.09.073
TI - All-solid-state artificial Z-scheme porous g-C3N4/Sn2S3-DETA heterostructure photocatalyst with enhanced performance in photocatalytic CO2 reduction
T2 - Applied Catalysis B: Environmental
AU - Huo, Yao
AU - Zhang, Jinfeng
AU - Liang, Changhao
AU - Li, Qiang
AU - Lv, Jiali
AU - Zhu, Guangping
PY - 2019
DA - 2019/02/01 00:00:00
PB - Elsevier
SP - 528-538
VL - 241
SN - 0926-3373
SN - 1873-3883
ER -
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@article{2019_Huo,
author = {Yao Huo and Jinfeng Zhang and Changhao Liang and Qiang Li and Jiali Lv and Guangping Zhu},
title = {All-solid-state artificial Z-scheme porous g-C3N4/Sn2S3-DETA heterostructure photocatalyst with enhanced performance in photocatalytic CO2 reduction},
journal = {Applied Catalysis B: Environmental},
year = {2019},
volume = {241},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.apcatb.2018.09.073},
pages = {528--538},
doi = {10.1016/j.apcatb.2018.09.073}
}