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Proceedings Paper

Preparation of metallic-dielectric spheres used to fabricate photonics crystals with electroless plating method
Author(s): Mingwei Zhu; Minquan Wang; Guodong Qian; Zhiyu Wang; Xianping Fan; Zhanglian Hong; Lei Huang; Guoping Ling
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Paper Abstract

Photonic crystals made of metals such as silver and gold have been theoretically demonstrated to exist complete photonic band gaps (CPBG). We studied the preparation of metallic-dielectric spheres, which have the same effect as metals and can be used to fabricate a new type of photonic crystals. By using the Electroless Plating Method, SiO2 spheres 300nm in diameter were coated with an about 20nm silver layer. The derived samples precoated with copper showed more homogeneous and much thinner silver layers compared with the directly coated ones. Our experiments also indicated that the sensitization and activation processes were necessary for the copper coating processes, although had little effect on the silver particle sizes as well as the layers thickness. Nuclear-growth mechanism is responsible for the deposition of both silver and copper nanoparticles on the surface of the spheres.

Paper Details

Date Published: 16 July 2003
PDF: 6 pages
Proc. SPIE 5061, International Symposium on Photonic Glass (ISPG 2002), (16 July 2003); doi: 10.1117/12.517451
Show Author Affiliations
Mingwei Zhu, Zhejiang Univ. (China)
Minquan Wang, Zhejiang Univ. (China)
Guodong Qian, Zhejiang Univ. (China)
Zhiyu Wang, Zhejiang Univ. (China)
Xianping Fan, Zhejiang Univ. (China)
Zhanglian Hong, Zhejiang Univ. (China)
Lei Huang, Zhejiang Univ. (China)
Guoping Ling, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 5061:
International Symposium on Photonic Glass (ISPG 2002)
Congshan Zhu, Editor(s)

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