以羟基化SBS为模板,乙酸镉、硫化钠为反应前驱物,利用盐诱导方式在四氢呋喃-甲醇-水体系中制备得到CdS纳米粒子.通过紫外-可见吸收光谱、荧光光谱及透射电子显微镜对CdS纳米粒子的光学性质及形貌进行了表征.结果表明,利用嵌段聚合物的两亲性质,可以得到稳定的具有明显量子尺寸效应的CdS半导体纳米粒子,透射电子显微镜结果表明所得到的CdS半导体纳米粒子具有冠状复合胶束结构.
参考文献
| [1] | 舒磊,俞书宏,钱逸泰.半导体硫化物纳米微粒的制备[J].无机化学学报,1999(01):1-7. |
| [2] | 李新勇,李树本.纳米半导体研究进展[J].化学进展,1996(03):231. |
| [3] | F(o)rster S .[J].Topics in Current Chemistry,2003,226:1-28. |
| [4] | Schabas G;Yusuf H;Moffitt MG;Sinton D .Controlled self-assembly of quantum dots and block copolymers in a microfluidic device[J].Langmuir: The ACS Journal of Surfaces and Colloids,2008(3):637-643. |
| [5] | Haeng-Deog Koh;Nam-Goo Kang;Jae-Suk Lee .Location Control of Au/CdS Nanoparticles in Block Copolymer Micelles[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(23):11425-11429. |
| [6] | Cheyne RB;Moffitt MG .Controllable organization of quantum dots into mesoscale wires and cables via interfacial block copolymer self-assembly[J].Macromolecules,2007(6):2046-2057. |
| [7] | Nicolas Duxin;Futian Liu;Hojatollah Vali;Adi Eisenberg .Cadmium Sulphide Quantum Dots in Morphologically Tunable Triblock Copolymer Aggregates[J].Journal of the American Chemical Society,2005(28):10063-10069. |
| [8] | 陈延明,司春雷,李凤红.羟基化SBS模板合成金纳米粒子及表征[J].高分子材料科学与工程,2009(07):122-124. |
| [9] | Hanying Zhao;Elliot P. Douglas;Benjamin S. Harrison;Kirk S. Schanze .Preparation of CdS Nanoparticles in Salt-Induced Block Copolymer Micelles[J].Langmuir: The ACS Journal of Surfaces and Colloids,2001(26):8428-8433. |
| [10] | Moffitt M G;McMahon L;Pessel P et al.[J].Chemistry of Materials,1995,7(06):1185-1192. |
| [11] | Zhao HY.;Douglas EP. .Preparation of corona-embedded CdS nanoparticles[J].Chemistry of Materials,2002(3):1418-1423. |
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