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Citation: ZHOU Jia-Ling, DUAN Qian-Qian, LI Peng-Wei, JIAN Ao-Qun, JI Jian-Long, ZHANG Qiang, SANG Sheng-Bo. Rapid Preparation of Micro-sized Gold Nanorods[J]. Chinese Journal of Analytical Chemistry, ;2017, 45(10): 1482-1488. doi: 10.11895/j.issn.0253-3820.170357 shu

Rapid Preparation of Micro-sized Gold Nanorods

Micro-Nano System Research Center, College of Information Engineering, Key Lab of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China

Received Date: 5 June 2017
Revised Date: 25 August 2017

Fund Project: This work was supported by the National Natural Science Foundation of China (Nos.51505324, 61501316, 61471255, 61474079) and the Youth Science and Technology Research Fund of Shanxi Province, China (No. 201701D221111).

The effects of cetyltrimethylammonium bromide (CTAB), ascorbic acid, NaBH₄ and AgNO₃, as well as the stirring time and reaction time on the preparation of gold nanorods synthesized with seedless growth method were studied. The optimum preparation conditions were obtained in the process of growth of gold nanorods. The gold nanorods prepared under different conditions were characterized by visible absorption spectroscopy and transmission electron microscopy (TEM). Under the optimum conditions such as room temperature, 0.1 mol/L CTAB, 96 μmol/L AgNO₃, 0.97 mmol/L ascorbic acid, 1.5 μmol/L NaBH₄ and stirring for 25 s, micro-sized gold nanorods with uniform morphology, good dispersibility, small shaft width and high aspect ratio were prepared within 6 h. The gold nanorods were expected to be applied to the detection of mercury ion in water environment.
- Seedless growth method,
- Micro-sized,
- High aspect ratio,
- Gold nanorods,
- Mercury ion
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