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In situ real-time monitoring of Pt-VO2 nanoparticle-nanowire assembly by GISAXS

Title
In situ real-time monitoring of Pt-VO2 nanoparticle-nanowire assembly by GISAXS
Authors
Yavuz C.T.Lee S.Lee B.Kim M.H.Baik J.M.Seifert S.Vajda S.Larson C.Winans R.E.Moskovits M.Wodtke A.M.Stucky G.D.
Ewha Authors
김명화
SCOPUS Author ID
김명화scopus
Issue Date
2010
Journal Title
Proceedings of SPIE - The International Society for Optical Engineering
ISSN
0277-786XJCR Link
Citation
vol. 7679
Indexed
SCOPUS scopus
Abstract
Methanol is a hydrogen carrier for fuel cells and its chemical transformations are of great current interest. Methanol oxidation by vanadium oxides is well studied, hence, serves as a good measure for catalytic activity. Arrays of VO2 nanowires grown on r-cut sapphire prove to be unique for the in situ catalytic activity tests. Here, we present size and morphology dependent activity of Platinum coated single crystalline VO2 nanowires in methanol oxidation reactions using Grazing Incidence Small Angle X-ray Scattering (GISAXS). Our findings show an unexpected sintering behavior of Pt at temperatures as low as 200 °C. © 2010 Copyright SPIE - The International Society for Optical Engineering.
DOI
10.1117/12.851255
ISBN
9780819481436
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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