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Facile Synthesis of ZnO Nanoparticles and Their Photocatalytic Activity

Title
Facile Synthesis of ZnO Nanoparticles and Their Photocatalytic Activity
Authors
Lee, SK[Lee, Soo-Keun]Kim, AY[Kim, A. Young]Lee, JY[Lee, Jun Young]Ko, SH[Ko, Sung Hyun]Kim, SW[Kim, Sang Wook]
DGIST Authors
Lee, SK[Lee, Soo-Keun]; Kim, AY[Kim, A. Young]
Issue Date
2014-07-20
Citation
Bulletin of the Korean Chemical Society, 35(7), 2004-2008
Type
Article
Article Type
Article
Keywords
AdsorptionAdsorption DesorptionAromatic CompoundsBrunauer-Emmett-Teller Surface AreasDesorptionMetal NanoparticlesMethylene Blue DegradationMethylene Blue DegradationsNanoparticle SynthesisNanosphereNanospheresParticle Size and MorphologiesPEG ConcentrationPhoto-Catalytic ActivitiesPhoto-Catalytic ActivityPhotocatalysisScanning Electron MicroscopyScanning ElectronsSynthesis (Chemical)Transmission Electron MicroscopyX Ray DiffractionZinc Oxide
ISSN
0253-2964
Abstract
This paper reports the facile synthesis methods of zinc oxide (ZnO) nanoparticles, Z1-Z10, using diethylene glycol (DEG) and polyethylene glycol (PEG400). The particle size and morphology were correlated with the PEG concentration and reaction time. With 0.75 mL of PEG400 in 150 mL of DEG and a 20 h reaction time, the ZnO nanoparticles began to disperse from a collective spherical grain shape. The ZnO nanoparticles were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and a N2 adsorption-desorption studies. The Brunauer-Emmett-Teller (BET) surface areas of Z4, Z5 and Z10 were 157.083, 141.559 and 233.249 m2/g, respectively. The observed pore diameters of Z4, Z5 and Z10 were 63.4, 42.0 and 134.0 A, respectively. The pore volumes of Z4, Z5 and Z10 were 0.249, 0.148 and 0.781 cm3/g, respectively. The photocatalytic activity of the synthesized ZnO nanoparticles was evaluated by methylene blue (MB) degradation, and the activity showed a good correlation with the N2 adsorption-desorption data.
URI
http://hdl.handle.net/20.500.11750/3069
DOI
10.5012/bkcs.2014.35.7.2004
Publisher
Korean Chemical Society
Related Researcher
Files:
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Collection:
Smart Textile Convergence Research Group1. Journal Articles


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