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Real-time monitored photocatalytic activity and electrochemical performance of an rGO/Pt nanocomposite synthesized: Via a green approach

Title
Real-time monitored photocatalytic activity and electrochemical performance of an rGO/Pt nanocomposite synthesized: Via a green approach
Authors
Kasturi, SatishTorati, Sri RamuluEom, Yun JiAhmad, SyafiqLee, Byong-JuneYu, Jong-SungKim, CheolGi
DGIST Authors
Yu, Jong-SungKim, CheolGi
Issue Date
2020-04
Citation
RSC Advances, 10(23), 13722-13731
Type
Article
Article Type
Article
Keywords
REDUCED GRAPHENE OXIDEMETHYLENE-BLUEQUANTUM DOTSASSISTED SYNTHESISMODIFIED ELECTRODEDYE POLLUTANTSDEGRADATIONAGREDUCTIONNANOPARTICLES
ISSN
2046-2069
Abstract
Herein, we have reported the real-time photodegradation of methylene blue (MB), an organic pollutant, in the presence of sunlight at an ambient temperature using a platinum-decorated reduced graphene oxide (rGO/Pt) nanocomposite. The photocatalyst was prepared via a simple, one-pot and green approach with the simultaneous reduction of GO and Pt using aqueous honey as a reducing agent. Moreover, the honey not only simultaneously reduced Pt ions and GO but also played a key role in the growth and dispersion of Pt nanoparticles on the surface of rGO. Various rGO/Pt nanocomposites with different percentages of Pt nanoparticles loaded on rGO were obtained by tuning the concentration of the Pt source. The high percentage of Pt nanoparticles with an average size of 2.5 nm dispersed on rGO has shown excellent electrochemical performance. The photocatalytic activity of the rGO/Pt composite was enhanced by increasing the weight percent of the Pt particles on rGO, which led to the formation of a highly efficient photocatalyst. The optimized photocatalyst exhibited remarkable photocatalytic activity and degraded 98% MB in 180 minutes; thus, it can be used for industrial and environmental applications. This journal is © The Royal Society of Chemistry.
URI
http://hdl.handle.net/20.500.11750/11880
DOI
10.1039/d0ra00541j
Publisher
Royal Society of Chemistry
Related Researcher
  • Author Kim, CheolGi Lab for NanoBio-MatErials & SpinTronics(nBEST)
  • Research Interests Magnetic Materials and Spintronics; Converging Technology of Nanomaterials and Biomaterials; Bio-NEMS;MEMS
Files:
Collection:
Department of Energy Science and EngineeringLight, Salts and Water Research Group1. Journal Articles
Department of Emerging Materials ScienceLab for NanoBio-Materials & SpinTronics(nBEST)1. Journal Articles


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