Applied Surface Science, volume 509, pages 144773

Improved photocatalytic activity of porous ZnO nanosheets by thermal deposition graphene-like g-C3N4 for CO2 reduction with H2O vapor

Publication typeJournal Article
Publication date2020-04-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.7
ISSN01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
Porous ZnO nanosheets (PNS-ZnO) were prepared by calcining ZnS(en)0.5 (en = ethylenediamine) nanosheets in air, and g-C3N4 (g-CN) nanofilms were coated on the surface of PNS-ZnO by thermal deposition using bulk g-C3N4 as precursor. Experimental results showed that the graphene-like g-C3N4 could be deposited on the surface of ZnO to form nanocomposites with core/shell structure. After the loading of g-CN, the light absorption and chemical adsorption of CO2 over PNS-ZnO were improved obviously and the recombination of photogenerated electron and hole was greatly depressed due to the formation of heterojunction between PNS-ZnO and g-CN. All PNS-ZnO@g-CN nanocomposites exhibited much higher photocatalytic activity for CO2 reduction with H2O vapor when compared to pure PNS-ZnO and bulk g-CN. The loading amount of g-CN had significant influence on the light absorption and photocatalytic activity, and PNS-ZnO@g-CN-0.4 exhibited the best photocatalytic performance, for which H2, CH4 and CO production rates of 22.7, 30.5 and 16.8 μmol/gcat/h can be obtained, respectively.

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Guo Q. et al. Improved photocatalytic activity of porous ZnO nanosheets by thermal deposition graphene-like g-C3N4 for CO2 reduction with H2O vapor // Applied Surface Science. 2020. Vol. 509. p. 144773.
GOST all authors (up to 50) Copy
Guo Q., Fu L., Yan T., Tian W., Ma D., Li J., Jiang Y., Wang X. Improved photocatalytic activity of porous ZnO nanosheets by thermal deposition graphene-like g-C3N4 for CO2 reduction with H2O vapor // Applied Surface Science. 2020. Vol. 509. p. 144773.
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RIS Copy
TY - JOUR
DO - 10.1016/j.apsusc.2019.144773
UR - https://doi.org/10.1016/j.apsusc.2019.144773
TI - Improved photocatalytic activity of porous ZnO nanosheets by thermal deposition graphene-like g-C3N4 for CO2 reduction with H2O vapor
T2 - Applied Surface Science
AU - Guo, Qiang
AU - Fu, Liming
AU - Yan, Tao
AU - Tian, Wen
AU - Ma, Danfeng
AU - Li, Jiaming
AU - Jiang, Yanan
AU - Wang, Xitao
PY - 2020
DA - 2020/04/01 00:00:00
PB - Elsevier
SP - 144773
VL - 509
SN - 0169-4332
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Guo,
author = {Qiang Guo and Liming Fu and Tao Yan and Wen Tian and Danfeng Ma and Jiaming Li and Yanan Jiang and Xitao Wang},
title = {Improved photocatalytic activity of porous ZnO nanosheets by thermal deposition graphene-like g-C3N4 for CO2 reduction with H2O vapor},
journal = {Applied Surface Science},
year = {2020},
volume = {509},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.apsusc.2019.144773},
pages = {144773},
doi = {10.1016/j.apsusc.2019.144773}
}
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