Efficient photocatalytic hydrogen generation by silica supported and platinum promoted titanium dioxide.

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Title: Efficient photocatalytic hydrogen generation by silica supported and platinum promoted titanium dioxide.
Authors: Joshi, Meenal M.1, Labhsetwar, Nitin K.1, Parwate, D.V.2, Rayalu, Sadhana S.1 s_rayalu@neeri.res.in
Source: Materials Research Bulletin. Sep2013, Vol. 48 Issue 9, p3545-3552. 8p.
Subjects: Photocatalysis, Interstitial hydrogen generation, Silica, Platinum, Titanium dioxide, Semiconductors
Abstract: Highlights: [•] Semiconductor titanium dioxide has been supported on silica gel and promoted with Pt by simple wet impregnation route. [•] This synthesized photocatalyst is showing high surface area of 140.6m2/g with crystallite size in the range of 15.44Å. [•] This photocatalyst is showing enhanced hydrogen yield of about 4791.43μmol/h/g of TiO2. [•] This photocatalyst is also found stable up to 24h without replenishing with sacrificial donor ethanol. [•] The effect of various operating parameters on supported photocatalyst also has been studied. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Highlights: [•] Semiconductor titanium dioxide has been supported on silica gel and promoted with Pt by simple wet impregnation route. [•] This synthesized photocatalyst is showing high surface area of 140.6m2/g with crystallite size in the range of 15.44Å. [•] This photocatalyst is showing enhanced hydrogen yield of about 4791.43μmol/h/g of TiO2. [•] This photocatalyst is also found stable up to 24h without replenishing with sacrificial donor ethanol. [•] The effect of various operating parameters on supported photocatalyst also has been studied. [ABSTRACT FROM AUTHOR]
ISSN:00255408
DOI:10.1016/j.materresbull.2013.05.057