Catalysis Today, volume 164, issue 1, pages 353-357

Semiconductor/reduced graphene oxide nanocomposites derived from photocatalytic reactions

Publication typeJournal Article
Publication date2011-04-01
Journal: Catalysis Today
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.3
ISSN09205861
General Chemistry
Catalysis
Abstract
Graphene-based semiconductors nanocomposites were synthesized via a single-step photocatalytic reduction process. UV active titanium dioxide (TiO2) and visible light driven photocatalysts (i.e. tungsten oxide (WO3) and bismuth vanadates (BiVO4)) with different conduction band energy levels were found efficient in transferring photogenerated electrons into graphene oxide (GO) thus reducing it to reduced graphene oxide (RGO). Simultaneously, nanocomposites of these particulate semiconductor and RGO sheet were obtained. X-ray photoelectron spectra revealed the 52–63% decrease in oxygen-containing carbon (hydroxyl and epoxy groups) of GO after illumination, indicating partial reduction of GO by excited photocatalysts. When made into thin films, photocurrent generation of these nanocomposites was enhanced by 160, 190 and 800%, respectively, for WO3, TiO2 and BiVO4 as 5 wt% RGO was incorporated. These results demonstrate for the first time that a range of photocatalysts, not just TiO2, can be used to reduce and incorporate GO into nanocomposites that have higher photoelectrocatalytic efficiencies than their parent materials.

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Ng Y. H. et al. Semiconductor/reduced graphene oxide nanocomposites derived from photocatalytic reactions // Catalysis Today. 2011. Vol. 164. No. 1. pp. 353-357.
GOST all authors (up to 50) Copy
Ng Y. H., Ng Y. H., Iwase A., Iwase A., Bell N. J., Kudo A., Kudo A., Amal R., Amal R. Semiconductor/reduced graphene oxide nanocomposites derived from photocatalytic reactions // Catalysis Today. 2011. Vol. 164. No. 1. pp. 353-357.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.cattod.2010.10.090
UR - https://doi.org/10.1016/j.cattod.2010.10.090
TI - Semiconductor/reduced graphene oxide nanocomposites derived from photocatalytic reactions
T2 - Catalysis Today
AU - Ng, Yun Hau
AU - Iwase, Akihide
AU - Bell, Nicholas J
AU - Kudo, Akihiko
AU - Amal, Rose
AU - Ng, Yun Hui
AU - Iwase, A.
AU - Kudo, Akihiko
AU - Amal, Rose
PY - 2011
DA - 2011/04/01 00:00:00
PB - Elsevier
SP - 353-357
IS - 1
VL - 164
SN - 0920-5861
ER -
BibTex |
Cite this
BibTex Copy
@article{2011_Ng,
author = {Yun Hau Ng and Akihide Iwase and Nicholas J Bell and Akihiko Kudo and Rose Amal and Yun Hui Ng and A. Iwase and Akihiko Kudo and Rose Amal},
title = {Semiconductor/reduced graphene oxide nanocomposites derived from photocatalytic reactions},
journal = {Catalysis Today},
year = {2011},
volume = {164},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.cattod.2010.10.090},
number = {1},
pages = {353--357},
doi = {10.1016/j.cattod.2010.10.090}
}
MLA
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MLA Copy
Ng, Yun Hau, et al. “Semiconductor/reduced graphene oxide nanocomposites derived from photocatalytic reactions.” Catalysis Today, vol. 164, no. 1, Apr. 2011, pp. 353-357. https://doi.org/10.1016/j.cattod.2010.10.090.
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