Size-dependent surface phonon mode of CdSe quantum dots
Size-dependent surface phonon mode of CdSe quantum dots
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DOI：
10.1103/physrevb.59.7285
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发表时间：
1999-03-15
影响因子：
3.7
通讯作者：
Kim, D
中科院分区：
文献类型：
--
作者：
Hwang, YN;Park, SH;Kim, D
利用拉曼光谱研究了玻璃基质中CdSe量子点的表面声子模。随着量子点尺寸的减小，表面声子频率发生蓝移和展宽。结果表明，所观察到的尺寸依赖性蓝移和加宽主要是由晶格收缩和边界弛豫，分别。[S0163-1829（99）00811-5]。
The surface phonon mode of CdSe quantum dots in a glass matrix was investigated by Raman spectroscopy. The blueshift and broadening of the surface phonon frequency were observed as the quantum dot size was reduced. It was shown that the observed size-dependent blueshift and broadening are mainly caused by the lattice contraction and the boundary relaxation, respectively. [S0163-1829(99)00811-5].