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Updated: Mar 25, 2026

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
Published on: May 9, 2014
Controlling an electrostatic repulsion by oppositely charged surfactants towards positively charged fluorescent gold
Ryan D Corpuz1, Yohei Ishida1, Tetsu Yonezawa1
1Division of Material Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan. tetsu@eng.hokudai.ac.jp.
Abstract:
A novel positively charged fluorescent gold nanocluster was successfully synthesized using the shortest cationic thiol, thiocholine. Effective control of electrostatic repulsion by the introduction of an anionic surfactant afforded a nanocluster that showed blue fluorescence emission.
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