P-type electrical, photoconductive, and anomalous ferromagnetic properties of Cu2O nanowires
P-type electrical, photoconductive, and anomalous ferromagnetic properties of Cu2O nanowires
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DOI：
10.1063/1.3097029
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发表时间：
2009-03
影响因子：
4
通讯作者：
L. Liao;B. Yan;Y. Hao;G. Xing;J. Liu;Bangchuan Zhao;Zexiang Shen;Tom Wu;Lili Wang;J. Thon
中科院分区：
文献类型：
--
作者：
L. Liao;B. Yan;Y. Hao;G. Xing;J. Liu;Bangchuan Zhao;Zexiang Shen;Tom Wu;Lili Wang;J. Thon
用氢气还原CuO纳米线制备了Cu2O纳米线。观察到了以带边发射为主的强绿色光致发光。由单独的Cu2O纳米线制成的场效应晶体管具有高开关比(>；106)和高迁移率(>；95cm2/V S)。此外，该器件在室温下对空气中的蓝色光照表现出快速的光电响应。此外，Cu2O纳米线中出现了反常的铁磁性，这可能源于Cu2O纳米线中的缺陷。这项工作展示了Cu2O纳米线的应用潜力，特别是在电子和光子器件中。
Cu2O nanowires are synthesized by reduction of CuO nanowires with hydrogen gas. Strong green photoluminescence dominated by band-edge emission is observed. Field effect transistors fabricated from individual Cu2O nanowires present high on-off ratio (>106) and high mobility (>95 cm2/V s). Furthermore, the device demonstrates a fast photoelectric response to blue illumination in air at room temperature. In addition, anomalous ferromagnetism appears in Cu2O nanowires, which may originate from the defects in Cu2O nanowires. This work shows the application potentials of the Cu2O nanowires, especially in an electrical and photonic device.