期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 8, 期 6, 页码 965-969出版社
SPRINGER
DOI: 10.1007/s11051-005-9065-2
关键词
copper nanocrystals; green chemistry; ascorbic acid; colloids; environmentally
资金
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0830098] Funding Source: National Science Foundation
We report a total green chemical method in aqueous solution for synthesizing stable narrowly distributed copper nanoparticles with average diameter less than 5 nm in the presence of Polyvinylpyrrolidone (PVP) as a stabilizer and without any inert gas protection. In our synthesis route, ascorbic acid, natural vitamin C (VC), an excellent oxygen scavenger, acts as both reducing agent and antioxidant, to reduce the metallic ion precursor, and to effectively prevent the common oxidation process of the newborn pure copper nanoclusters.
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