Growth of Zinc Oxide Thornballs by a Novel Method

DENG Guo-Chu; DING Ai-Li; ZHENG Xin-Sen; CHENG Wen-Xiu; QIU Ping-Sun

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Growth of Zinc Oxide Thornballs by a Novel Method

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@@ Thornballs of zinc oxide (ZnO) is firstly synthesized by a simple solid vapour deposition process under lead oxide (PbO) atmosphere. The micro-thornballs were constituted by numerous needles, which extend outwards in all directions symmetrically. The balls have the dimensions of 120 μm in diameter, while the average diameter of the needles was about 100-200nm. The needles on the balls grow along the 〈0001〉 orientation and have gradient cross-sectional radii. Control experiments proved that PbO plays an important role in the growth. The excitationemission measurement exhibits that the synthesized ZnO thornballs possess intensive photoluminescence property,which provides the evidence that PbO does not deteriorate the optical properties of ZnO thornballs.

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《中国物理快报：英文版》 |2005年第7期|1739-1741|共3页
作者
DENG Guo-Chu; DING Ai-Li; ZHENG Xin-Sen; CHENG Wen-Xiu; QIU Ping-Sun;
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State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050;

Graduate School of the Chinese Academy of Sciences, Beijing 100039;

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050;

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050;

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050;

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050;

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中图分类物理学;
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Growth of Zinc Oxide Thornballs by a Novel Method

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