Monodisperse ZnO Nanodots: Synthesis, charaterization, and optoelectronic properties

Hu Yong; Jiang Zhimin; Xu Chengdong; Mei Ting; Guo Jun; White Tim

doi:10.1021/jp0726384

Monodisperse ZnO Nanodots: Synthesis, charaterization, and optoelectronic properties

Hu Yong, Jiang Zhimin, Xu Chengdong, Mei Ting^*, Guo Jun, White Tim

^*此作品的通讯作者

Nanyang Technological University

科研成果: 期刊稿件 › 文章 › 同行评审

31 引用（Scopus）

摘要

An effective and reliable synthetic route has been developed for the preparation of almost perfectly monodisperse 3 to ∼4 nm ZnO nanocrystals. In addition, a PL peak with a blue-shift of 0.16 eV has been observed in the PL spectrum, showing good size uniformity of the nanodots. The band gap has also been verified in the analysis of I- V characteristics of an ITO/ZnO/SiO ₂/Al structure, from which the band alignment of the ZnO nanodots on ITO has been determined. This work demonstrates an efficient synthesis of ZnO nanodots and an easy approach to studying physical properties of nanocrystals that will help the material optimization in device application.

源语言	英语
页（从-至）	9757-9760
页数	4
期刊	Journal of Physical Chemistry C
卷	111
期	27
DOI	https://doi.org/10.1021/jp0726384
出版状态	已出版 - 12 7月 2007
已对外发布	是

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T2 - Synthesis, charaterization, and optoelectronic properties

AU - Yong, Hu

AU - Zhimin, Jiang

AU - Chengdong, Xu

AU - Ting, Mei

AU - Jun, Guo

AU - Tim, White

PY - 2007/7/12

Y1 - 2007/7/12

N2 - An effective and reliable synthetic route has been developed for the preparation of almost perfectly monodisperse 3 to ∼4 nm ZnO nanocrystals. In addition, a PL peak with a blue-shift of 0.16 eV has been observed in the PL spectrum, showing good size uniformity of the nanodots. The band gap has also been verified in the analysis of I- V characteristics of an ITO/ZnO/SiO 2/Al structure, from which the band alignment of the ZnO nanodots on ITO has been determined. This work demonstrates an efficient synthesis of ZnO nanodots and an easy approach to studying physical properties of nanocrystals that will help the material optimization in device application.

AB - An effective and reliable synthetic route has been developed for the preparation of almost perfectly monodisperse 3 to ∼4 nm ZnO nanocrystals. In addition, a PL peak with a blue-shift of 0.16 eV has been observed in the PL spectrum, showing good size uniformity of the nanodots. The band gap has also been verified in the analysis of I- V characteristics of an ITO/ZnO/SiO 2/Al structure, from which the band alignment of the ZnO nanodots on ITO has been determined. This work demonstrates an efficient synthesis of ZnO nanodots and an easy approach to studying physical properties of nanocrystals that will help the material optimization in device application.

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Monodisperse ZnO Nanodots: Synthesis, charaterization, and optoelectronic properties

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