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室温下Ⅱ-Ⅵ族纳米晶粒在Si衬底上的化学自组装

Keywords: 半导体纳米晶体,自组装,双功能分子,刻蚀

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Abstract:

应用胶体化学的方法,在溶液中合成了Ⅱ-Ⅵ族化合物-CdSe,CdTe纳米晶粒.紫外-可见光吸收谱(ABS)和光致荧光谱(PL)显示Ⅱ-Ⅵ族纳米晶粒具有良好的单分散性.在室温下利用双功能分子在Si衬底表面组装了Ⅱ-Ⅵ族纳米晶粒,原子力显微镜图像和接触角实验证实,Ⅱ-Ⅵ族纳米晶粒已经自组装到了Si衬底表面,并且表面比较平整,纳米晶粒分布均匀.

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