| 二硫代乙二酰胺合镍在硫化镉纳米晶表面的逐层配位组装 |
| Coordination Assembling of Nickel(Ⅱ) Dithiooxamide on the Surface of CdS Nanocrystals |
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| 摘要: |
| 关键词: 硫化镉 表面组装 表面修饰 二硫代乙二酰胺 镍配合物 |
| 基金项目: |
| Abstract: CdS nanocrystals, which were surface modified by poly (nickel dithioxamide) [Ni(DTO)]n, were prepared and characterized. TEM image showed that the shape and the outward aspect of the modified CdS sample were essentially the same as those of the original material and no impurities were found. The characteristic IR peaks at 1 513cm-1 and 870 cm-1 confirmed the success in assembling [Ni(DTO)]n on the surface of CdS. For XPS spectra, the characteristic bands of Ni2p3/2 and Ni2p1/2 appeared at 856 eV and 877 eV indicating the nickel in Ni(Ⅱ) oxidation state. The solid state electronic spectra showed the improvement in surface energy gap, which was changed from 2.38 eV to below 1.91 eV. |
| Keywords: cadmium sulfide surface assembly surface modification dithiooxamide nickel complex |
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| 郭 琳,戴 洁,张加生,曹利慧,林海红.二硫代乙二酰胺合镍在硫化镉纳米晶表面的逐层配位组装[J].无机化学学报,2004,20(3):331-334. |
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