## Abstract We produced gold nanoparticles in water by picosecond laser ablation at 532 nm and 1064 nm. We used the amino‐terminated dendrimer PAMAM G5 as stabilizing agent. At 532 nm, the production process exhibits a threshold that is about 10 times lower than at 1064 nm and rapidly saturates. Th
Laser ablation of silver and gold in liquid ammonia
✍ Scribed by Petr Šmejkal; Jiří Pfleger; Blanka Vlčková
- Publisher
- Springer
- Year
- 2010
- Tongue
- English
- Weight
- 283 KB
- Volume
- 101
- Category
- Article
- ISSN
- 1432-0630
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The temperature dependence of diffusion of trace amounts of gold in liquid silver measured in the temperature range 980-1260°C can also be expressed as D = (8.8 f 1.2) x lo-dexp 8,980 + 600 -RT Compared with the reported diffusivities of Ag, In, Sn and Sb in liquid silverce), it is observed that the
We performed laser ablation of a silver plate in polyvinylpyrrolidone (PVP) aqueous solutions to prepare silver nanoparticles. Secondary laser irradiation onto the prepared colloidal solutions was also carried out. It was revealed that the formation efficiency was increased by addition of PVP as wel