Gold Nanoparticle Synthesis Using Three-Dimensionally Integrated Micro-Solution Plasmas

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概要

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• Three-dimensionally integrated micro-solution plasmas (3D IMSPs), in which microplasmas are generated in gas bubbles in an aqueous solution held in a porous dielectric material, have been applied to gold nanoparticle synthesis. Conventional solution plasma processes require additional chemicals to increase the electrical conductivity of the aqueous solution for generating plasmas. In contrast to this, 3D IMSPs have been found to generate plasmas without such a procedure when the aqueous solution has a low electrical conductivity as in the case of HAuCl<inf>4</inf>for gold nanoparticle synthesis. The gold nanoparticle synthesis has been confirmed through the observation of optical absorption due to the plasmon resonance at 550 nm, and also through the characterization of their size, crystallinity, and composition by transmission electron microscopy and energy dispersive X-ray spectroscopy.

• 2013-12-25

著者

• Saito Nagahiro

  Department Of Materials Processing And Engineering Graduate School Of Engineering Nagoya University

• Ueda Jun

  Department Of Electronics And Information Science Faculty Of Engineering And Design Kyoto Institute

• Shirafuji Tatsuru

  Department Of Electrical Engineering Kyoto University

• Nakamura Akihiro

  Department Of Applied Chemistry And Biotechnology Faculty Of Engineering Yamanashi University

• Cho Sung-Pyo

  Department of Materials, Physics and Energy Engineering, Nagoya University, Nagoya 464-8603, Japan

• Takai Osamu

  Materials and Surface Engineering Research Institute, Kanto Gakuin University, Yokohama 236-0004, Japan

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