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Synthesis and optical properties of triangular gold nanoplates with controllable edge length |
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| Authors: | Sun JianHua Guan MingYun Shang TongMing Gao CuiLing Xu Zheng |
| Institution: | 1.State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China ;2.Jiangsu Key Laboratory of Precious Metals Chemistry, Jiangsu Teachers’ University of Technology, Changzhou, 213001, China ; |
| Abstract: | Gold triangular nanoplates with a uniform size were synthesized by a simple seeds-growth method in a lamellar lyotropic liquid crystal (LLC) medium consisting of F127, n-C4H9OH and H2O. The edge length of gold nanoplates can be adjusted from tens to several hundreds nanometers (and even a few micrometers) by varying the concentration of Au3+ and the seeds solution volume. The optical properties of the synthesized gold nanoplates were studied. The vis-NIR spectra of the synthesized gold nanoplates exhibited a good linear correlation between the in-plane plasmon resonance λmax and the average edge length of the corresponding nanoplates. |
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