Enhancement of IR Absorption of CO Adsorbed on Palladium-loading Zeolite Thin Film Electrode

Abstract

Abstract: In the present paper, clusters or nanoparticles of palladium were synthesized by using ship in a bottle technology in supercages of Yzeolite. In situ electrochemical FTIRreflection spectroscopy was employed to study COadsorption on nanoparticles of Pd in supercages of Yzeolte. Anovel phenomenon of enhancement of IRabsorption of adsorbed COwas revealed for the first time. In comparison with IRabsorption of COadsorbed on a massive palladium electrode, IRabsorption of COadsorbed on nanoparticles of Pd has been enhanced up to about 40 times. The results also demonstrated that the new phenomenon of enhancement of IR-absorption is related to the nanometer scale of Pd clusters and also to the particular environment of supercages of Yzeolite.

Key words: Y zeolite, Pd clusters, CO adsorbed, In situ FTIRs, Enhanced IR absorption

CLC Number:

O646

TrendMD:

JIANG Yan-Xia, SUN Shi-Gang, CHEN Sheng-Pei, DING Nan . Enhancement of IR Absorption of CO Adsorbed on Palladium-loading Zeolite Thin Film Electrode[J]. Chem. J. Chinese Universities, 2001, 22(11): 1860.

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Enhancement of IR Absorption of CO Adsorbed on Palladium-loading Zeolite Thin Film Electrode

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