期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 112, 期 17, 页码 6988-6992出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp711745t
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The adsorption and reactivity of 4-nitrobenzonitrile on Ag and Ag/Pd nanoparticles immobilized on quartz surfaces have been studied by means of surface-enhanced Raman scattering (SERS) spectroscopy. It has been found that upon adsorption on Ag/Pd nanoparticles this compound undergoes reduction of the nitrogroup to form 4,4'-azobis(benzonitrile). This process is due to the catalytic efficiency of the palladium clusters present on the surface of the silver nanoparticles. SERS spectra obtained from pure Ag and from Ag/Pd substrates have been assigned by mean of density functional theory calculations.
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