期刊
NANOMATERIALS
卷 9, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/nano9010076
关键词
Iridium nanoparticles; cubic; Cu foil; free from surfactants; galvanic reaction
类别
资金
- National Natural Science Foundation of China [21703114]
- Natural Science Foundation of Shandong Province [ZR2016BP03]
- Key Research Project of Shandong Province [2018GGX102011]
- Foundation of Qingdao University [41117010117]
Cubic Iridium nanoparticles without any surfactants on the surface have been synthesized successfully in this work. The process of synthesis was quite simple by just injecting one drop of 400 mu L solution containing Iridium precursor onto Cu foil (1 cm x 1 cm), and through galvanic reaction between the Ir precursor and Cu foil, the cubic Iridium nanoparticle could be obtained quite quickly (<30 s). The Cu foil played the roles of both reducing agent and substrate. This method could also be employed to synthesize cubic nanoparticles of other Pt-group metals such as Rh. By employing this method, cubic metal nanoparticles with surfactant-free surfaces could be produced economically and efficiently, and as a result, a realistic relationship between structure and catalytic activity could be established.
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