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Title
Japanese:カップ状金ナノ構造体の深化とそのプラズモニック特性 
English:Deepening of cup-like gold nanostructures and the change of optical characteristics 
Author
Japanese: 阿川 裕晃, Rafael A. Vilá, Takayuki Okamoto, 磯部 敏宏, 中島 章, 松下 祥子.  
English: Hiroaki Agawa, Rafael A. Vilá, Takayuki Okamoto, Toshihiro Isobe, Akira Nakajima, Sachiko Matsushita.  
Language Japanese 
Journal/Book name
Japanese: 
English: 
Volume, Number, Page        
Published date Sept. 23, 2016 
Publisher
Japanese: 
English: 
Conference name
Japanese:第67回コロイドおよび界面化学討論会 
English: 
Conference site
Japanese:旭川 
English: 
Official URL http://colloid.csj.jp/div_meeting/67th/
 
Abstract Metal nanostructures are critical to various academic and industrial fields interested in studying and exploiting their plasmonic characteristics. Here we discuss the preparation of gold nanocups (250 nm diameter) and their plasmonic properties. An initial gold structure is synthesized by deposition of a two-dimensional colloidal crystal (2DCC) followed by gold sputtering. The gold structure is then de-coupled from the 2DCC by etching in hydrofluoric acid, revealing a uniform array of gold nanopots that can be encapsulated in a flexible polymer resin or transferred onto a variety of substrates. The optical properties of gold nanopots are also discussed.

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