Citation: Hong Ying Wang, Yan An Gao, Ming Wei Zhao, Li Qiang Zheng. Ionic liquid-assisted synthesis of silver nanorods by polyol reduction[J]. Chinese Chemical Letters, ;2010, 21(7): 872-875. doi: 10.1016/j.cclet.2010.01.036 shu

Ionic liquid-assisted synthesis of silver nanorods by polyol reduction

Key Laboratory of Colloid and Interface Chemistry of Ministry of Education in Shandong University, Jinan 250100, China

Received Date: 17 August 2009

Fund Project: The work was supported by the National Natural Science Foundation of China (No. 20773081 and 20873074), National Basic Research Program (No. 2007CB808004 and 2009CB930101), and Laboratory of Organic Optoelectronic Functional Materials and Molecular Engineering, TIPC, CAS.

Silver nanorods have been successfully synthesized in large scale by the ethylene glycol (EG) reduction in the presence of ionic liquid (IL) 1-butyl-3-methylimidazolium tetrafluoroborate (bmimBF₄) and polyvinyl-pyrrolidone (PVP).The silver nanorods were characterized by scanning electron microscopy (SEM),high-resolution transmission electron microscopy (HRTEM),transmission electron microscopy (TEM),electron energy disperse spectroscopy (EDS) and UV-vis spectroscopy.The results showed that the uniform silver nanorods have an average diameter of about 100 nm and the aspect ratio from 15 to 20.IL,bmimBF₄ may play a role of capping agent together with PVP in the formation of silver nanorods.On the other hand,bmimBF₄ may accelerate nucleation and improve the stability of the resulting Ag nanorods due to the low interface tension of IL.
- Silver nanorods,
- Ionic liquid,
- Ethylene glycol,
- Capping agent
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