頁籤選單縮合
題名 | Investigation of pH Effect on Gold Nanorod Synthesis= |
---|---|
作者 | Cheng, Jing; Ge, Lan; Xiong, Bin; He, Yan; |
期刊 | Journal of the Chinese Chemical Society |
出版日期 | 20111000 |
卷期 | 58:6 2011.10[民100.10] |
頁次 | 頁822-827 |
分類號 | 341.345 |
語文 | eng |
關鍵詞 | Gold nanorods; CTAB; pH; Seed-mediated growth; Micelle; |
英文摘要 | Gold nanorods (GNRs) are routinely prepared by the seed-mediated growth method under the assistant of surfactant CTAB and it is important to understand the factors that control the formation process of GNRs. Here we investigated systematically how the pH conditions contribute to the GNR morphology and size evolution with UV-Vis absorption spectrometry and TEM. It was found that the aspect ratio and morphology of GNRs are dependent on the pH of the growth solution. Moreover, the GNR growth pathway also varies at different pH. Our results indicated that pH affected CTAB micelle’s stability and reduced its absorption ability on gold surface, which changes the gold atom deposition behavior onto the surface. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。