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以無電鍍法製備核殼型奈米複合粒子 = Preparation of Co...

吳梓渝

以無電鍍法製備核殼型奈米複合粒子 = Preparation of Core-Shell Nanocomposites by Electroless Plating

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Preparation of Core-Shell Nanocomposites by Electroless Plating
作者:	吳梓渝,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	民99[2010]
面頁冊數:	77面圖，表 : 30公分;
標題:	奈米複合粒子
標題:	Core-shell
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/66443532573278827477
摘要註:	近年來，能將金屬奈米粒子均勻的組織排列於規則的表面結構上(如高分子微粒、氧化矽微粒等)，因其具有特殊的光、電、磁及觸媒特性，已引起各方的重視。目前文獻中之核-殼奈米複合材料之合成技術，大多有金屬殼狀結構不夠緊密完整且合成步驟繁複等缺點，以致其性質與應用性受到影響。本研究中，我們以一種無電鍍法來製備核殼型氧化矽-銀複合奈米粒子。無電鍍法的技術是利用化學還原反應來允許溶液中的金屬銀離子還原到氧化矽的核心表面。在這過程當中，表面不需要通過電的手段引導，而電子的運動搬遷是夠慢以避免金屬離子在溶液中還原成核。還原反應要確保只發生在表面作用，而使金屬吸附在其上。然後，我們可以透過實驗，找出影響銀殼塗覆厚度的參數，進而從不同的參數中獲得最佳的結果。 The controlled organization of metal nanosized particles into ordered structures has the unique optical, electrical, magnetic, and catalytic properties, which were important for various fields. For the core-shell nanocomposites synthesis technology in current literatures, most of disadvantages are too loose on metal shell structure and are complicated synthetic steps, resulting in affecting its nature and application.In this study, we present an electroless method for the fabrication of core-shell silica-silver nanocomposite spheres. The technique for electroless metal plating is based on the use of a chemical reducing reaction that permits the reduction of the metal silver ions from solution on the surface of the core silica. For this process, the surface does not need electronically conducting, while the kinetics of electron transfer should be slow enough to avoid the reduction of the metal ions and nucleation in solution. The surface is ensured that reduction only takes place on the surface, so that the metal remains attached. Then, we can search influence parameter on coating thickness of silver shell via experiment. Further, we can obtain the optimum result from various parameters.

以無電鍍法製備核殼型奈米複合粒子 = Preparation of Core-Shell Nanocomposites by Electroless Plating
吳, 梓渝

以無電鍍法製備核殼型奈米複合粒子 = Preparation of Core-Shell Nanocomposites by Electroless Plating / 吳梓渝撰 - [高雄市] : 撰者, 民99[2010]. - 77面 ; 圖，表 ; 30公分.
參考書目：面.
奈米複合粒子Core-shell

以無電鍍法製備核殼型奈米複合粒子 = Preparation of Core-Shell Nanocomposites by Electroless Plating
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