Synthesis of bimetallic nanoshells by an improved electroless plating method

In the Letter, we demonstrate an improved electroless plating method for the synthesis of bimetallic shell particles. The procedure involves a combination of surface reaction, seeding growth, and removal of supporting cores. We modified ammonical AgNO3 in ethanol with a controlled amount of HCHO in...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 21(2005), 5 vom: 01. März, Seite 1683-6
1. Verfasser: Liu, J B (VerfasserIn)
Weitere Verfasser: Dong, W, Zhan, P, Wang, S Z, Zhang, J H, Wang, Z L
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a In the Letter, we demonstrate an improved electroless plating method for the synthesis of bimetallic shell particles. The procedure involves a combination of surface reaction, seeding growth, and removal of supporting cores. We modified ammonical AgNO3 in ethanol with a controlled amount of HCHO in the seeding process and a uniform and relatively dense coverage of silver nanoparticle seeds on colloid cores was achieved. Following the second kind of metal plating, we extended this method to prepare continuous bimetallic core-shell and hollow particles with a submicrometer diameter. The morphologies of the bimetallic Cu/Ag and Pt/Ag particles were studied with transmission electron microscopy and scanning electron microscopy, and their crystallinity and chemical composition were confirmed by X-ray diffraction. The prepared materials may be of applied value in areas such as catalysis, optics, and plasmonics 
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700 1 |a Dong, W  |e verfasserin  |4 aut 
700 1 |a Zhan, P  |e verfasserin  |4 aut 
700 1 |a Wang, S Z  |e verfasserin  |4 aut 
700 1 |a Zhang, J H  |e verfasserin  |4 aut 
700 1 |a Wang, Z L  |e verfasserin  |4 aut 
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