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Issue title: Selected papers presented at the International Symposium on Nanotoxicity Assessment and Biomedical Environmental Application of Fine Particles and Nanotubes, Hokkaido, Japan, 16–17 June 2008, Part 1
Article type: Research Article
Authors: Yonezawa, Tetsu
Affiliations: Department of Chemistry, School of Science, The University of Tokyo, Tokyo, Japan
Note: [] Address for correspondence: Prof. Dr. Tetsu Yonezawa, Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. Fax: +81 3 5841 2356; E-mail: tetsu@chem.s.u-tokyo.ac.jp.
Abstract: In-situ TEM (transmission electron microscopy) of silver nanoparticle ink at high temperature was carried out. Into a carbon film tube coating the spiral tungsten filament which was attached to the TEM specimen holder, a silver nanoparticle ink was injected. After evaporation, silver nanoparticles with an aggregated structure could be observed. The temperature of the tungsten wire can be controlled by DC current supplied by dry batteries. Fusion of smaller nanoparticles was observed at a higher temperature and some particles were incorporated to larger particles. This technique can be generally used to consider the sintering temperature of such metal nanoparticles.
Keywords: In-situ TEM, silver, nanoparticle, conductive ink, melt
DOI: 10.3233/BME-2009-0560
Journal: Bio-Medical Materials and Engineering, vol. 19, no. 1, pp. 29-34, 2009
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