期刊
INORGANIC CHEMISTRY
卷 56, 期 5, 页码 2784-2791出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.6b02850
关键词
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资金
- Gobierno Vasco
- Universidad del Pais Vasco
- University of Bordeaux
- University of Sichuan, Chengdu, China
- CIC biomaGUNE
- CNRS
Substituted ferrocenes with various stereoelectronic effects including a ferrocene-terminated dendrimer in ether reduce aqueous HAuCl4 to gold nanoparticles (AuNPs) by interfacial electron transfer. The dependence on the stirring speed plays a crucial role, and the stereoelectronic influences on the reaction rates are dramatic. With a ferrocene-containing polymer, the reaction is conducted using an homogeneous THF/water medium, also forming AuNPs. Fully stable functional, dendritic and polymeric ferricinium chloride-stabilized AuNPs are obtained with core sizes between 13 and 35 nm, an optimal size range for potential biomedical applications. Finally the ferricinium coating of the Au nanoparticles is replaced by a more electron-rich ferricinium derivative by exergonic redox reaction with the corresponding ferrocene derivative.
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