Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 1, Issue 9, Pages 2044-2048Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am900400a
Keywords
Ag nanocubes; polyol synthesis; scale-up production; surface plasmon resonance
Funding
- NIH [DPIOD000798]
- Washington University in St. Louis
- China Scholarship Council
- OFFICE OF THE DIRECTOR, NATIONAL INSTITUTES OF HEALTH [DP1OD000798] Funding Source: NIH RePORTER
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Au nanocages synthesized from Ag nanocubes via the galvanic replacement reaction are Finding widespread use in a range of applications because of their tunable optical properties. most of these applications require the use of nanocages with a uniform size and in large quantities, This requirement translates into a demand For scaling up the production OF Ag nanocubes with uniform, well-controlled sizes. Here we report such a method based on the modification of NaHS-mediated polyol synthesis with argon protection for fast reduction, which allows for the production of Ag nanocubes on a scale of 0.1 g per batch. The Ag nanocubes had an edge length tunable from 25 to 45 nm together with a size variation within +/- 5 nm. The use of argon protection was the key to the success of this scale-up synthesis, suggesting the importance of controlling oxidative etching during synthesis.
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