UV-Vis Spectroscopy for Characterization of Metal Nanoparticles Formed from Reduction of Metal Ions During Ultrasonic Irradiation

Abstract

The reduction processes of metal ions can be used to prepare metal nanoparticles in an aqueous solution, in which UV-Vis spectroscopy can be used as an excellent tool to characterize the properties of metal nanoparticles, in particular the size and shape of the metal nanoparticles and their surface property in the state of the colloidal dispersion system. In addition, UV-Vis spectroscopy enables the amount of precursor metal ions used during the formation of metal nanoparticles to be measured. In this chapter, the sonochemical reduction processes for Pd(II), Au(III), Pt(II), Pt(IV), Ag(I), and MnO 4 are described on the basis of changes in the absorption spectrum during ultrasonic irradiation to understand the sonochemical reduction mechanism of metal ions. In addition, the optical properties of the sonochemically formed metal nanoparticles such as the spherical nanoparticles of Pd, Au, Pt, Ag, MnO2, and Au/Pd and the shape-controlled nanoparticles are reviewed to understand the formation processes during ultrasonic irradiation.

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Title
UV-Vis Spectroscopy for Characterization of Metal Nanoparticles Formed from Reduction of Metal Ions During Ultrasonic Irradiation
Book Title
UV-VIS and Photoluminescence Spectroscopy for Nanomaterials Characterization
Book DOI
10.1007/978-3-642-27594-4
Chapter DOI
10.1007/978-3-642-27594-4_4
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Volume
Editors
  • Challa Kumar Send Email (ID1)
  • Editor Affiliation
  • ID1 Center for Advanced Microstructures and, South Stadium Road, Baton Rouge, 70803, Louisiana, USA
  • Authors
  • Kenji Okitsu Send Email (00041)
  • Author Affiliation
  • 00041 Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8531, Japan
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