Journal
NANOTECHNOLOGY
Volume 23, Issue 35, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/23/35/355705
Keywords
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Funding
- NRF [2010-0020414]
- National Research Foundation of Korea [2010-0020414] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Graphene sheets decorated with SnO2 nanoparticles (RGO-SnO2) were prepared via a redox reaction between graphene oxide (GO) and SnCl2. Graphene oxide (GO) was reduced to graphene (RGO) and Sn2+ was oxidized to SnO2 during the redox reaction, leading to a homogeneous distribution of SnO2 nanoparticles on RGO sheets. The scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images show uniform distribution of the nanoparticles on the RGO surface and high-resolution transmission electron microscopy (HRTEM) shows an average particle size of 3-5 nm. The RGO-SnO2 composite showed an enhanced photocatalytic degradation activity for the organic dye methylene blue under sunlight compared to bare SnO2 nanoparticles. This result leads us to believe that the RGO-SnO2 composite could be used in catalytic photodegradation of other organic dyes. S Online supplementary data available from stacks. iop.org/Nano/23/355705/mmedia
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