Chinese Journal of Quantum Electronics, Volume. 28, Issue 5, 558(2011)

Preparation and photoelectric properties of CuBi3 S5 and CuBi3 Se5 compounds

Feng-xiu MIAO*... Song-ming WAN, Qing-li ZHANG, Xian-shun Lü, Gui-xin GU and Shao-tang YIN |Show fewer author(s)
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    The synthesis of CuBi3 S5 and CuBi3 Se5 and their basic photoelectric properties are reported for the first time. CuBi3 S5 and CuBi3 Se5 were prepared successfully by solvothermal method using hydrazine hydrate (N2 H4 ·H2 O) as the reductant agent in conjunction with solid state reaction method. The resistance dependence of CuBi3 S5 and CuBi3 Se5 on temperature were measured by four-point probe method, the results showed that the CuBi3 S5 has semiconductor nature and CuBi3 Se5 has metal nature. The thermal activation energy of CuBi3 S5 was about 17.1 meV calculated from Arrhenius equation. The Hall effect experiment of CuBi3 S5 was carried out at room temperature, its carrier concentration is about 3.75×1017 cm-3 and Hall mobility is about 14 cm2V-1s-1. CuBi3 S5 is an n-type semiconductor. The diffuse reflectance spectroscopy indicates that the band gap of CuBi3 S5 is about 0.66 eV.

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    MIAO Feng-xiu, WAN Song-ming, ZHANG Qing-li, Lü Xian-shun, GU Gui-xin, YIN Shao-tang. Preparation and photoelectric properties of CuBi3 S5 and CuBi3 Se5 compounds[J]. Chinese Journal of Quantum Electronics, 2011, 28(5): 558

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    Paper Information

    Received: May. 24, 2010

    Accepted: --

    Published Online: Sep. 27, 2011

    The Author Email: Feng-xiu MIAO (miaofengxiu@yahoo.com.cn)

    DOI:10.3969/j.issn.1007-5461. 2011.05.08

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