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http://dx.doi.org/10.9713/kcer.2013.51.4.513

Hydrogen Production from Splitting of Methanol/Water Solution Using Perovskite Structured NbxSrTi1-xO3 Photocatalyts  

Kim, Dongjin (Department of Chemistry, Yeungnam University)
Han, Gi Bo (Plant Engineering Division, Institute for Advanced Engineering)
Park, No-Kuk (School of Chemical Engineering, Yeungnam University)
Lee, Tae Jin (School of Chemical Engineering, Yeungnam University)
Kang, Misook (Department of Chemistry, Yeungnam University)
Publication Information
Korean Chemical Engineering Research / v.51, no.4, 2013 , pp. 513-517 More about this Journal
Abstract
This study focused on the synthesis of $Nb_xSrTi_{1-x}O_3$ photocatalysts which partially inserted Nb ions with excellent ability of fluorescence into the perovskite structured $SrTiO_3$ frameworks and their photocatalytic hydrogen productions from methanol/water splitting corresponding to the molar ratios of Ti and Nb. The characteristics of the synthesized $SrTiO_3$ and $Nb_xSrTi_{1-x}O_3$ powders were analyzed by X-ray diffraction (XRD), energy dispersive X-ray spectrometer (EDS), and UV-Visible spectrometer. The hydrogen evolution from methanol/water photo-splitting was enhanced over $Nb_{0.05}SrTi_{0.95}O_3$ compared to those over $SrTiO_3$ and another $Nb_xSrTi_{1-x}O_3$; 4.9 mL of hydrogen gases was collected after 8 h when 0.5g of $Nb_{0.05}SrTi_{0.95}O_3$ catalyst was used in pH 10.
Keywords
$Nb_xSrTi_{1-x}O_3$; Photocatalyst; Perovskite; Hydrogen Production;
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