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Article

Hexagonal and Prismatic Nanowalled ZnO Microboxes

Supporting Info

Fenghua Zhao,^† Wenjiao Lin,^† Mingmei Wu,*^† Ningsheng Xu,^† Xianfeng Yang,^† Z. Ryan Tian,*^‡ and Qiang Su^†

The State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, School of Physics and Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou 510275, People's Republic of China, and Department of Chemistry and Biochemistry, University of Arkansas, Fayette Ville, Arkansas 72701

Inorg. Chem., 2006, 45 (8), pp 3256–3260

DOI: 10.1021/ic051833z

Publication Date (Web): March 16, 2006

†

Sun Yat-Sen (Zhongshan) University.

To whom correspondence should be addressed. E-mail: ceswmm@sysu.edu.cn (M.M.W.), rtian@uark.edu (Z.R.T.). Tel: 86-20-84036766 (M.M.W.). Fax: 86-20-84036766 (M.M.W.).

‡

University of Arkansas.

Abstract

We hereby report hydrothermal syntheses of new microstructures of semiconducting ZnO. Single-crystalline prismatic ZnO microboxes formed by nanowalls and hexagonal hollow microdisks closed by plates with micron-sized inorganic fullerene-like structures have been made in a base-free medium through a one-step hydrothermal synthesis with the help of n-butanol (NB). Structures and morphologies of the products were confirmed by results from powder X-ray diffraction and scanning electron microscopy. NB has been found to play a crucial role in the growth of these hollow structures. It is indicated that these hollow ZnO crystals were grown from redissolution of interiors. These ZnO microboxes exhibit a band emission in the visible range, implying the possession of a high content of defects.

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