引用本文:
Yu ZHANG, Ming MA, Ning GU, Ling XU, Kun Ji CHEN. Preparation of Silver Nanoshells on Silica Particles by a Simple Two-step Process[J]. Chinese Chemical Letters,
2004, 15(8): 1005-1008.
Citation: Yu ZHANG, Ming MA, Ning GU, Ling XU, Kun Ji CHEN. Preparation of Silver Nanoshells on Silica Particles by a Simple Two-step Process[J]. Chinese Chemical Letters, 2004, 15(8): 1005-1008.
Citation: Yu ZHANG, Ming MA, Ning GU, Ling XU, Kun Ji CHEN. Preparation of Silver Nanoshells on Silica Particles by a Simple Two-step Process[J]. Chinese Chemical Letters, 2004, 15(8): 1005-1008.
Preparation of Silver Nanoshells on Silica Particles by a Simple Two-step Process
摘要:
A simple two-step method was developed to prepare silver nanoshells coated on silica paticles.The method involves two steps:concentration of reaction precursor (AgNO3) on particle surfaces and subsequent reduction by formaldehyde.The obtained composite particles were characterized by TEM, ED, and SEM-EDS measurements.The results show that the silver nanoshell is coated on silica particle surface in the form of a polycrystalline (cubic structure) layer with average thickness of 20 nm and weight percentage of 19%.
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关键词:
- Silica particles
- / metal nanoshells
- / preparation
English
Preparation of Silver Nanoshells on Silica Particles by a Simple Two-step Process
Abstract:
A simple two-step method was developed to prepare silver nanoshells coated on silica paticles.The method involves two steps:concentration of reaction precursor (AgNO3) on particle surfaces and subsequent reduction by formaldehyde.The obtained composite particles were characterized by TEM, ED, and SEM-EDS measurements.The results show that the silver nanoshell is coated on silica particle surface in the form of a polycrystalline (cubic structure) layer with average thickness of 20 nm and weight percentage of 19%.
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Key words:
- Silica particles
- / metal nanoshells
- / preparation
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