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题名: Strong quantum confinement effect and reduced Frohlich exciton-phonon coupling in ZnO quantum dots embedded inside a SiO2 matrix
作者: Ning, JQ(宁吉强); Zheng, CC; Zhang, XH; Xu, SJ
通讯作者: Xu, SJ
刊名: NANOSCALE
发表日期: 2015
DOI: 10.1039/c5nr04520g
卷: 7, 期:41, 页:6
收录类别: SCI
部门归属: 大科学装置
英文摘要: ZnO quantum dots (QDs) embedded in an amorphous SiO2 matrix were examined in depth by using variable-temperature photoluminescence (PL) and optical reflectance spectroscopies. Compared with ZnO bulk crystals, ZnO quantum dots with an average size of 4 nm exhibit a strong quantum confinement effect, evidenced by a large blue shift in both PL and reflectance peaks of excitons. More interestingly, a remarkably reduced long-range Frohlich interaction was revealed in ZnO QDs. These fascinating effects may make ZnO QDs a very appealing system in the fields of optoelectronics and others.
语种: 英语
JCR小类分区: 一区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3459
Appears in Collections:大科学装置_期刊论文

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Recommended Citation:
Ning, JQ,Zheng, CC,Zhang, XH,et al. Strong quantum confinement effect and reduced Frohlich exciton-phonon coupling in ZnO quantum dots embedded inside a SiO2 matrix[J]. NANOSCALE,2015,7(41):6.
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