Inclusion-water-cluster in a three-dimensional superlattice of gold nanoparticles |
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| Authors: | Wang Suhua Yao Hiroshi Sato Seiichi Kimura Keisaku |
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| Institution: | Department of Material Science, Himeji Institute of Technology, 3-2-1 Kohto, Kamigori-cho, Akou-gun, Hyogo 678-1297, Japan. |
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| Abstract: | Three-dimensional particle crystals made of dicarboxylic thiolate (MSA)-stabilized gold nanoparticles were formed at an air/water interface. FTIR spectra of this supracrystal showed that three well-resolved peaks existed from 3400 to 3550 cm-1 just falling in a region of OH stretching vibrational mode. Precise analysis showed that all these peaks originated from the water cluster included in the interstice of a particle crystal. |
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