Novel plating solution for electroless deposition of gold film onto glass surface |
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Authors: | Jiandong Hu Wei Li Xiangyang Zhao |
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Affiliation: | a College of Mechanical and Electrical Engineering, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, PR China b School of Science, Henan Agricultural University, Zhengzhou 450002, China c Henan Nongda Xunjie Measurement Technology Co. Ltd. Zhengzhou, 450002, China |
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Abstract: | In this paper, a simple and environmentally friendly electroless plating solution of chloroauric acid (HAuCl4) and hydrogen peroxide (H2O2) for depositing gold film onto (3-aminopropyl)-trimethoxysilane (APTMS) -coated glass surface has been developed. APTMS as an adhesive reagent was used to attach the gold nanoparticles (AuNPs) onto the glass substrate. These AuNPs could be regarded as the preferential nucleation or catalytic sites for gold electroless reduction, which accelerated the reduction of Au3+ on the glass surface and effectively prevented the formation of gold metal in the bulk solution. During the gold plating process, H2O2 as the reducing agent was thermodynamically capable of reducing Au3+ ions from the HAuCl4 precursor to gold atoms, which deposited onto the glass surface and finally formed the continuous gold film. The resulting gold film was characterized with X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM) and atomic force microscope (AFM), respectively. |
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Keywords: | 79.60.Bm Clean metal, semiconductor, and insulator surfaces 81.05.Kf Glasses,including metallic glasses. 79.60.Dp Adsorbed layers and thin films 61.46.+w Nanoscale materials: clusters,nanoparticles, nanotubes, and nanocrystals 81.15.Lm Liquid phase epitaxy deposition from liquid phases 81.07.b Nanoscale materials and structures: fabrication and characterization 61.10.Nz X-ray diffraction 68.55.Jk Structure and morphology thickness crystalline orientation and texture 68.37.Ps Atomic force microscopy (AFM) 68.35.Ct Interface structure and roughness 33.60.Fy X-ray photoelectron spectra |
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