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Open Access Nano Express

Growth of In2O3 Nanowires Catalyzed by Cu via a Solid–Liquid–Solid Mechanism

Guanbi Chen, Lei Wang*, Xia Sheng, Hongjuan Liu, Xiaodong Pi, Yuanyuan Zhang, Dongsheng Li and Deren Yang

Author Affiliations

State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China

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Nanoscale Research Letters 2010, 5:898-903  doi:10.1007/s11671-010-9581-6

Published: 27 March 2010


In2O3 nanowires that are 10–50 nm in diameter and several hundred nanometers to micrometers in length have been synthesized by simply annealing Cu–In compound at a relatively low temperature of 550°C. The catalysis of Cu on the growth of In2O3 nanowires is investigated. It is believed that the growth of In2O3 nanowires is via a solid–liquid–solid (SLS) mechanism. Moreover, photoluminescence (PL) peaks of In2O3 nanowires at 412 and 523 nm were observed at room temperature, and their mechanism is also discussed.

In2O3 nanowire; SLS; Cu catalyzed; PL