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Coatings 2017, 7(8), 114; https://doi.org/10.3390/coatings7080114

Electrophoretic Coating of Octahedral Molybdenum Metal Clusters for UV/NIR Light Screening

1
Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0808, Japan
2
Research Center for Functional Materials, National Institute for Materials Science, Tsukuba 305-0047, Japan
3
Laboratory for Innovative Key Materials and Structures, UMI 3629 CNRS-Saint Gobain-NIMS, NIMS, Tsukuba 305-0051, Japan
4
Institute of Chemical Sciences of Rennes, UMR 6226 CNRS-University of Rennes 1, Rennes 35000, France
*
Author to whom correspondence should be addressed.
Received: 22 May 2017 / Revised: 13 July 2017 / Accepted: 30 July 2017 / Published: 3 August 2017
(This article belongs to the Special Issue Electrophoretic Deposition)
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Abstract

Thin and transparent Mo6 cluster films with significant optical properties were prepared on indium tin oxide (ITO)-coated glass plates from the suspension of Cs2Mo6Br14 cluster precursors dispersed in methyl-ethyl-ketone (MEK) by an electrophoretic deposition (EPD) process. Two kinds of polydimethylsiloxanes (PDMS); i.e., KF-96L-1.5CS and KF-96L-2CS corresponding to the kinetic viscosity of 1.5 and 2 centistokes, respectively, were selected to topcoat the Mo6 cluster film after the EPD. The influence of the PDMS on the durability, chemical compatibility and light absorption property of Mo6 cluster films were characterized by means of field-emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FT-IR), and ultraviolet-visible-near infrared (UV-Vis-NIR) spectroscopy. The stabilized PDMS-coated Mo6 cluster film could be stored for more than 6 months under ambient conditions. View Full-Text
Keywords: electrophoretic deposition; molybdenum octahedral cluster; methyl-ethyl-ketone; polydimethylsiloxane; UV/NIR absorption electrophoretic deposition; molybdenum octahedral cluster; methyl-ethyl-ketone; polydimethylsiloxane; UV/NIR absorption
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Nguyen, T.K.N.; Dierre, B.; Grasset, F.; Dumait, N.; Cordier, S.; Lemoine, P.; Renaud, A.; Fudouzi, H.; Ohashi, N.; Uchikoshi, T. Electrophoretic Coating of Octahedral Molybdenum Metal Clusters for UV/NIR Light Screening. Coatings 2017, 7, 114.

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