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首页> 外文期刊>Thin Solid Films >Preparation and characterization of sol-gel derived copper-strontium-oxide thin films
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Preparation and characterization of sol-gel derived copper-strontium-oxide thin films

机译：溶胶凝胶衍生的氧化铜锶薄膜的制备与表征

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摘要

P-type transparent conductive oxides have potential applications in photovoltaics, transparent electronics, and organic optoelectronics. In this paper, results are presented on the synthesis of Cu_2SrO_2 thin films, a p-type transparent conducting oxide by a sol-gel route. Cu(Ⅱ)methoxide and Sr-metal dissolved in anhydrous isopropanol were used as precursor for the sol preparation. For potassium (K) doping, K-acetate dissolved in anhydrous isopropanol was used as the precursor. Films were spin-coated onto substrates and partially pyrolysed in air at 225℃. After partial pyrolization, a two stage annealing sequence was used to achieve the final film microstructure and composition. Although combinations of oxygen pressure, annealing time, and annealing temperature were used to obtain phase pure Cu_2SrO_2 thin films, X-ray diffraction consistently showed the presence of Cu_2O as a second phase with Cu_2SrO_2-the desired phase. Microstructural studies showed similar phase separation in the films and confirmed the microcrystalline nature. The best conductivities obtained for the undoped and 1% K-doped films were 2 × 10~(-3) and 1.2 × 10~(-2) S/cm, respectively. Both films showed a broad optical absorption edge in the visible range.
机译：P型透明导电氧化物在光伏，透明电子和有机光电中具有潜在的应用。本文介绍了通过溶胶-凝胶法合成p_2型透明导电氧化物Cu_2SrO_2薄膜的结果。溶解于无水异丙醇中的甲醇Cu（Ⅱ）和Sr-金属用作制备溶胶的前体。为了掺杂钾（K），将溶解在无水异丙醇中的乙酸钾用作前体。将薄膜旋涂到基材上，并在225℃的空气中部分热解。在部分热解之后，使用两阶段退火序列以获得最终的膜微结构和组成。尽管使用氧气压力，退火时间和退火温度的组合来获得相纯的Cu_2SrO_2薄膜，但X射线衍射始终显示出Cu_2O作为第二相存在，而Cu_2SrO_2是所需的相。微观结构研究表明，薄膜中的相分离相似，并证实了其微晶性质。对于未掺杂和掺杂1％K的薄膜，获得的最佳电导率分别为2×10〜（-3）和1.2×10〜（-2）S / cm。两种膜在可见光范围内均显示出较宽的光学吸收边缘。

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  • 来源
    《Thin Solid Films》 |2008年第12期|4093-4101|共9页
  • 作者

    B. Roy; J.D. Perkins; T. Kaydanova; D.L. Young; M. Taylor; A. Miedaner; C. Curtis; H.-J. Kleebe; D.W. Readey; D.S. Ginley;

  • 作者单位

    Colorado School of Mines, Metallurgy and Materials Engineering Department, 1500 Illinois Street, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

    Colorado School of Mines, Metallurgy and Materials Engineering Department, 1500 Illinois Street, Golden, Colorado 80401, USA;

    Colorado School of Mines, Metallurgy and Materials Engineering Department, 1500 Illinois Street, Golden, Colorado 80401, USA;

    National Renewable Energy Laboratory, Golden, Colorado 80401, USA;

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  • 正文语种 eng
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  • 关键词

    sol-gel derived Cu_2SrO_2; p-type TCO; conductivity; seebeck coefficient;

    机译：溶胶-凝胶法制得的Cu_2SrO_2;p型TCO;电导率塞贝克系数;

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