Applied Surface Science, volume 441, pages 12-22

Self-assembled hierarchical direct Z-scheme g-C3N4/ZnO microspheres with enhanced photocatalytic CO2 reduction performance

Publication typeJournal Article
Publication date2018-05-01
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
Photocatalytic reduction of CO2 into hydrocarbon fuels has been regarded as a promising approach to ease the greenhouse effect and the energy shortage. Herein, an electrostatic self-assembly method was exploited to prepare g-C3N4/ZnO composite microsphere. This method simply utilized the opposite surface charge of each component, achieving a hierarchical structure with intimate contact between them. A much improved photocatalytic CO2 reduction activity was attained. The CH3OH production rate was 1.32 μmol h−1 g−1, which was 2.1 and 4.1 times more than that of the pristine ZnO and g-C3N4, respectively. This facile design bestowed the g-C3N4/ZnO composite an extended light adsorption caused by multi-light scattering effect. It also guaranteed the uniform distribution of g-C3N4 nanosheets on the surface of ZnO microspheres, maximizing their advantage and synergistic effect. Most importantly, the preeminent performance was proposed and validated based on the direct Z-scheme. The recombination rate was considerably suppressed. This work features the meliority of constructing hierarchical direct Z-scheme structures in photocatalytic CO2 reduction reactions.

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Nie N. et al. Self-assembled hierarchical direct Z-scheme g-C3N4/ZnO microspheres with enhanced photocatalytic CO2 reduction performance // Applied Surface Science. 2018. Vol. 441. pp. 12-22.
GOST all authors (up to 50) Copy
Nie N., Zhang L., Fu J., CHENG B. Self-assembled hierarchical direct Z-scheme g-C3N4/ZnO microspheres with enhanced photocatalytic CO2 reduction performance // Applied Surface Science. 2018. Vol. 441. pp. 12-22.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.apsusc.2018.01.193
UR - https://doi.org/10.1016/j.apsusc.2018.01.193
TI - Self-assembled hierarchical direct Z-scheme g-C3N4/ZnO microspheres with enhanced photocatalytic CO2 reduction performance
T2 - Applied Surface Science
AU - Nie, Ning
AU - Zhang, Liu-Yang
AU - Fu, Junwei
AU - CHENG, BEI
PY - 2018
DA - 2018/05/01 00:00:00
PB - Elsevier
SP - 12-22
VL - 441
SN - 0169-4332
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Nie,
author = {Ning Nie and Liu-Yang Zhang and Junwei Fu and BEI CHENG},
title = {Self-assembled hierarchical direct Z-scheme g-C3N4/ZnO microspheres with enhanced photocatalytic CO2 reduction performance},
journal = {Applied Surface Science},
year = {2018},
volume = {441},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.apsusc.2018.01.193},
pages = {12--22},
doi = {10.1016/j.apsusc.2018.01.193}
}
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