| Biomimetic Synthesis of CdSe Quantum Dots through Emulsion Liquid Membrane System of Gas-Liquid Transport |
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| 作者姓名： | 刘璐 吴庆生 丁亚平 柳华杰 张保权 |
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| 作者单位： | [1]DepartmentofChemistry,TongjiUniversity,Shanghai200092,China [2]DepartmentofChemistry,ShanghaiUniversity,Shanghai200436,China [3]CenterofTechnology,TangshanSteelandIronCo.Ltd,Tangshan,Hebei063016,China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (No. 20071025) and the Nano-foundation of Shanghai (Nos. 0259nm021，0114nm004). |
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| 摘 要： | The cadmium selenide quantum dots (QD) have been synthesized by template-control in an emulsion fiquid membrane system. The system consisted of kerosene as solvent, L152 (dialkylene succinimide) as surfactant,N7301 (trialiphatic amine, R3N, R=C8-C10) as carrier, 0.1mol/L CdCl2 solution as internal-aqueous phase and H2Se gas as external phase. Additive organic template agent in internal-aqueous phase was necessary to form CdSe QD. The influence of the nature of template and its concentration on sizes of the formed CdSe QD has also been studied. Transmission electron microscopy showed that the sizes of the products could be controlled down to 3-4nm. X-ray diffraction analysis revealed that the crystals had cubic structure. The formation process and the optical properties of CdSe QD have also been presented.
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| 关 键 词： | 仿生合成 碲化镉 乳液薄膜 模板控制 纳米粒子 量子化学 气液运输 |
Biomimetic Synthesis of CdSe Quantum Dots through Emulsion Liquid Membrane System of Gas-Liquid Transport |
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| LIU,Lua WU,Qing-Sheng,a DING,Ya-Pingb LIU,Hua-Jiea ZHANG,Bao-Quanc.Biomimetic Synthesis of CdSe Quantum Dots through Emulsion Liquid Membrane System of Gas-Liquid Transport[J].Chinese Journal of Chemistry,2004,22(5):441-444. |
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| Authors: | LIU Lua WU Qing-Sheng a DING Ya-Pingb LIU Hua-Jiea ZHANG Bao-Quanc |
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| Institution: | LIU,Lua WU,Qing-Sheng*,a DING,Ya-Pingb LIU,Hua-Jiea ZHANG,Bao-Quanc |
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| Abstract: | The cadmium selenide quantum dots (QD) have been synthesized by template‐control in an emulsion liquid membrane system. The system consisted of kerosene as solvent, L152 (dialkylene succinimide) as surfactant, N7301 (trialiphatic amine, Ra, R=C8‐C10) as carrier, 0.1 mol/L CdCl2 solution as internal‐aqueous phase and H2Se gas as external phase. Additive organic template agent in internal‐aqueous phase was necessary to fom CdSe QD. The influence of the nature of template and its concentration on sizes of the formed CdSe QD has also been studied. Transmission electron microscopy showed that the sizes of the products could be controlled down to 3‐4 nm. X‐ray diffraction analysis revealed that the crystals had cubic structure. The formation process and the optical properties of CdSe QD have also been presented. |
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| Keywords: | emulsion liquid membrane CdSe quantum dot template-control nanoparticle biomimetic synthe-sis |
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