When Ag(lll) films covered with a few nanometer thick Au film are placed in a dilute alkali bromide or chloride solution, the corresponding silver halide monolayer forms on top of the Au surface. This unique solid/liquid interfacial phenomenon likely involves a solid-phase material transfer of silve
Self-Assembly of Silver Particle Monolayers on Glass from Ag+ Solutions in DMF
✍ Scribed by Isabel Pastoriza-Santos; Carmen Serra-Rodrı́guez; Luis M. Liz-Marzán
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 370 KB
- Volume
- 221
- Category
- Article
- ISSN
- 0021-9797
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✦ Synopsis
The spontaneous reduction of Ag + ions in N ,N -dimethylformamide (DMF) (in the absence of a protecting agent) leads to the homogeneous deposition of silver nanoparticles on clean glass surfaces in contact with the solution. The process of reduction and deposition can be performed at room temperature and in the dark, but the use of visible or UV radiation affects the reaction rate and the morphology of the deposited films. The deposition conditions can be tuned so that a homogeneous monolayer of silver nanoparticles is deposited on the whole surface.
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