Photocatalytic hydrogenation of ethylene on the bimetal-deposited semiconductor powders

Journal Article · Wed Apr 15 04:00:00 EDT 1987 · J. Am. Chem. Soc.; (United States)

DOI:https://doi.org/10.1021/ja00242a007· OSTI ID:6800199

Baba, R; Nakabayashi, S; Fujishima, A; Honda, K

Photocatalytic hydrogenation of ethylene (PHE) was studied on some bimetal-loaded TiO/sub 2/ powders and on monometal loaded samples. The metals employed were Pd, Pt, Cu, and Ni. For the selective production of ethane, the combination of Pt and Cu as cocatalysts showed a collective effect in the titled reaction. When the selectivity of produced C/sub 2/H/sub 6/ to CH/sub 4/ was improved by the optimum ratio of Pt to Cu on TiO/sub 2/, the volume of the concurrently evolved H/sub 2/ was diminished. This suggested that the Pt surface which was spatially controlled with the codeposited Cu afforded a desirable geometry for the photohydrogenation of C/sub 2/H/sub 4/. A possible reaction mechanism and the advantage of the composite surface of the bimetal-loaded TiO/sub 2/ powders are discussed.

• Research Organization: Univ. of Tokyo, Japan
• OSTI ID: 6800199
• Journal Information: J. Am. Chem. Soc.; (United States), Journal Name: J. Am. Chem. Soc.; (United States) Vol. 109:8; ISSN JACSA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500* -- Photochemistry
ALKENES
CATALYSIS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISTRY
COPPER
DATA
ELEMENTS
ETHYLENE
EXPERIMENTAL DATA
HYDROCARBONS
HYDROGENATION
INFORMATION
MATERIALS
METALS
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PALLADIUM
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PLATINUM
PLATINUM METALS
POWDERS
SEMICONDUCTOR MATERIALS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS