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ACS Omega, volume 6, issue 13, pages 8734-8743

Boosting Photocatalytic Activity Using Reduced Graphene Oxide (RGO)/Semiconductor Nanocomposites: Issues and Future Scope

Arindam Mondal 1
Aarya Prabhakaran 1
Satyajit Gupta 1
Vaidyanathan R. Subramanian 2, 3
2
 
Chemical and Materials Engineering Department, University of Nevada, Reno, Reno, Nevada 89557, United States
3
 
GenNext Materials and Technologies, LLC, Reno, Nevada 89511, United States
Publication typeJournal Article
Publication date2021-03-26
Journal: ACS Omega
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.1
ISSN24701343, 24701343
General Chemistry
General Chemical Engineering
Abstract
Semiconductor nanoparticles are promising materials for light-driven processes such as solar-fuel generation, photocatalytic pollutant remediation, and solar-to-electricity conversion. Effective application of these materials alongside light can assist in reducing the dependence on fossil-fuel driven processes and aid in resolving critical environmental issues. However, severe recombination of the photogenerated charge-carriers is a persistent bottleneck in several semiconductors, particularly those that contain multiple cations. This issue typically manifests in the form of reduced lifetime of the photoexcited electrons-holes leading to a decrease in the quantum efficiency of various light-driven applications. On the other hand, semiconducting oxides or sulfides, coupled with reduced graphene oxide (RGO), have drawn a considerable interest recently, partly because of the RGO enhancing charge separation and transportation through its honeycomb sp2 network structure. High electron mobility, conductivity, surface area, and cost-effectiveness are the hallmark of the RGO. This Mini-Review focuses on (1) examining the approach to the integration of RGO with semiconductors to produce binary nanocomposites; (2) insights into the microstructure interface, which plays a critical role in leveraging charge transport; (3) key examples of RGO composites with oxide and sulfide semiconductors with photocatalysis as application; and (4) strategies that have to be pursued to fully leverage the benefit of RGO in RGO/semiconductors to attain high photocatalytic activity for a sustainable future. This Mini-Review focuses on areas requiring additional exploration to fully understand the interfacial science of RGO and semiconductor, for clarity regarding the interfacial stability between RGO and the semiconductor, electronic coupling at the heterojunction, and morphological properties of the nanocomposites. We believe that this Mini-Review will assist with streamlining new directions toward the fabrication of RGO/semiconductor nanocomposites with higher photocatalytic activity for solar-driven multifunctional applications.

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Mondal A. et al. Boosting Photocatalytic Activity Using Reduced Graphene Oxide (RGO)/Semiconductor Nanocomposites: Issues and Future Scope // ACS Omega. 2021. Vol. 6. No. 13. pp. 8734-8743.
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Mondal A., Prabhakaran A., Gupta S., Subramanian V. R. Boosting Photocatalytic Activity Using Reduced Graphene Oxide (RGO)/Semiconductor Nanocomposites: Issues and Future Scope // ACS Omega. 2021. Vol. 6. No. 13. pp. 8734-8743.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsomega.0c06045
UR - https://doi.org/10.1021/acsomega.0c06045
TI - Boosting Photocatalytic Activity Using Reduced Graphene Oxide (RGO)/Semiconductor Nanocomposites: Issues and Future Scope
T2 - ACS Omega
AU - Prabhakaran, Aarya
AU - Gupta, Satyajit
AU - Subramanian, Vaidyanathan R.
AU - Mondal, Arindam
PY - 2021
DA - 2021/03/26 00:00:00
PB - American Chemical Society (ACS)
SP - 8734-8743
IS - 13
VL - 6
SN - 2470-1343
SN - 2470-1343
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Mondal,
author = {Aarya Prabhakaran and Satyajit Gupta and Vaidyanathan R. Subramanian and Arindam Mondal},
title = {Boosting Photocatalytic Activity Using Reduced Graphene Oxide (RGO)/Semiconductor Nanocomposites: Issues and Future Scope},
journal = {ACS Omega},
year = {2021},
volume = {6},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/acsomega.0c06045},
number = {13},
pages = {8734--8743},
doi = {10.1021/acsomega.0c06045}
}
MLA
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MLA Copy
Mondal, Arindam, et al. “Boosting Photocatalytic Activity Using Reduced Graphene Oxide (RGO)/Semiconductor Nanocomposites: Issues and Future Scope.” ACS Omega, vol. 6, no. 13, Mar. 2021, pp. 8734-8743. https://doi.org/10.1021/acsomega.0c06045.
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