Synthesis and Photoluminescence of Assembly-Controlled ZnO Architectures by Aqueous Chemical Growth

Feng Xu; Yinong Lu; Yan Xie; Yunfei Liu

doi:10.1021/jp808456r

Synthesis and Photoluminescence of Assembly-Controlled ZnO Architectures by Aqueous Chemical Growth

Feng Xu, Yinong Lu, Yan Xie, Yunfei Liu

College of Materials Science and Engineering

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

ZnO rod arrays were directly grown on In₂O₃/Sn (ITO)-coated glass substrates without needing a preprepared ZnO seed layer by aqueous chemical growth (ACG) using an equimolar aqueous solution of Zn(NO ₃)₂·6H₂O and C₆H ₁₂N₄. By further varying the substrates such as glass, Pt/glass, and Au/glass, other assembly patterns of ZnO architectures (rodlike, flowerlike, urchinlike, and stelliform crystals) were also obtained. The possible growth mechanisms for different assembly patterns dependent on the substrate were proposed. It was revealed that both the inherent highly anisotropic structure of ZnO and the surface energy minimization of different substrates play crucial roles in determining final morphologies of ZnO architectures. In addition, the photoluminescence (PL) properties of ZnO architectures on various substrates were investigated at room

Original language	English
Pages (from-to)	1052-1059
Number of pages	8
Journal	Journal of Physical Chemistry C
Volume	113
Issue number	3
DOIs	https://doi.org/10.1021/jp808456r
State	Published - 22 Jan 2009

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abstract = "ZnO rod arrays were directly grown on In2O3/Sn (ITO)-coated glass substrates without needing a preprepared ZnO seed layer by aqueous chemical growth (ACG) using an equimolar aqueous solution of Zn(NO 3)2·6H2O and C6H 12N4. By further varying the substrates such as glass, Pt/glass, and Au/glass, other assembly patterns of ZnO architectures (rodlike, flowerlike, urchinlike, and stelliform crystals) were also obtained. The possible growth mechanisms for different assembly patterns dependent on the substrate were proposed. It was revealed that both the inherent highly anisotropic structure of ZnO and the surface energy minimization of different substrates play crucial roles in determining final morphologies of ZnO architectures. In addition, the photoluminescence (PL) properties of ZnO architectures on various substrates were investigated at room",

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Synthesis and Photoluminescence of Assembly-Controlled ZnO Architectures by Aqueous Chemical Growth

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