X‐ray absorption spectroscopic study on gold particles formed on titania and alumina | Zendy

Matsuo Shuji | Zendy; Tsukamoto Taiga | Zendy; Kamigaki Aki | Zendy; Okaue Yoshihiro | Zendy; Yokoyama Takushi | Zendy; Wakita Hisanobu | Zendy

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X‐ray absorption spectroscopic study on gold particles formed on titania and alumina

Author(s) -

Matsuo Shuji,

Tsukamoto Taiga,

Kamigaki Aki,

Okaue Yoshihiro,

Yokoyama Takushi,

Wakita Hisanobu

Publication year - 2003

Publication title -

x‐ray spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.447

H-Index - 45

eISSN - 1097-4539

pISSN - 0049-8246

DOI - 10.1002/xrs.632

Subject(s) - xanes , absorption (acoustics) , adsorption , materials science , foil method , extended x ray absorption fine structure , ion , x ray absorption fine structure , absorption spectroscopy , analytical chemistry (journal) , spectral line , inorganic chemistry , chemistry , spectroscopy , optics , composite material , organic chemistry , physics , quantum mechanics , astronomy

X‐ray absorption near‐edge structure (XANES) measurements near the Au L 3 edge were made on Au(III) complex ions adsorbed on titania and alumina without a specific reducing agent. Compared with the XANES spectrum of a pure gold foil, the gold adsorbed on titania and alumina was found to be reduced to Au(0). The XANES method could obtain spectra of gold particles less than 1 nm in diameter, although a UV–visible absorption spectrum was difficult to observe with such samples. Copyright © 2003 John Wiley & Sons, Ltd.

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