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首页> 外文期刊>RSC Advances >Aqueous chemical solution deposition of spinel Cu1.5Mn1.5O4 single layer films for solar selective absorber
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Aqueous chemical solution deposition of spinel Cu1.5Mn1.5O4 single layer films for solar selective absorber

机译：尖晶石的水化学溶液沉积Cu1.5mN1.5O4用于太阳能选择性吸收器的单层薄膜

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摘要

Herein, non-toxic, ample, and cheap water served as the solvent to dissolve Cu and Mn nitrate, chelating agent, and wetting agent, where a long-term stable sol solution could be easily obtained. The single layer solar absorber film derived from the above precursor has been successfully deposited on a stainless steel substrate via a facile and low-cost sol-gel dip-coating method. A spinel Cu1.5Mn1.5O4 phase for the single layer thin film could be achieved at the annealing temperature of 450 degrees C for 1 h. The effect of annealing temperature on the surface structure and optical properties of the thin film was systematically studied. The results revealed that the film thickness, integration of impurities, and surface texture (crystallinity, nanoporosity, and roughness) coordinately influenced solar absorptance and thermal emittance of the thin film. A Cu-1.5Mn1.5O4 single layer thin film annealed at 500 degrees C exhibited excellent solar absorptance (alpha(s) = 0.914) and thermal emittance (epsilon(100) = 0.125). Furthermore, the single layer spinel thin film also showed benign thermal stability at the corresponding working temperature. Consequently, it could be used as a promising candidate for solar absorber thin films and safely applied in low-to-mid temperature regions.
机译：本文，无毒，充足和廉价的水作为溶解Cu和Mn硝酸盐，螯合剂和润湿剂的溶剂，其中可以容易地获得长期稳定的溶胶溶液。通过容易和低成本的溶胶 - 凝胶浸涂方法成功地沉积着从上述前体的单层太阳能吸收膜已经成功地沉积在不锈钢基板上。单层薄膜的尖晶石Cu1.5mN1.5O4相位可以在450℃的退火温度下实现1小时。系统地研究了退火温度对薄膜表面结构和光学性质的影响。结果表明，薄膜厚度，杂质的整合，以及表面纹理（结晶度，纳米光度和粗糙度）协调地影响了薄膜的太阳能吸收率和热膨胀。在500摄氏度下退火的Cu-1.5mN1.5O4单层薄膜呈现出优异的太阳能吸收率（α（s）= 0.914）和热发射率（epsilon（100）= 0.125）。此外，单层尖晶石薄膜还在相应的工作温度下显示出良性的热稳定性。因此，它可以用作太阳能吸收薄膜的有希望的候选者，并安全地应用于低至中温区域。

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  • 来源
    《RSC Advances》 |2016年第60期|共10页
  • 作者

    Ma Pengjun; Geng Qingfen; Gao Xianghu; Yang Shengrong; Liu Gang;

  • 作者单位

    Chinese Acad Sci Lanzhou Inst Chem Phys State Key Lab Solid Lubricat Lanzhou 730000 Peoples R China;

    Chinese Acad Sci Lanzhou Inst Chem Phys Res &

    Dev Ctr Ecomat &

    Ecochem Lanzhou 730000 Peoples R China;

    Chinese Acad Sci Lanzhou Inst Chem Phys Res &

    Dev Ctr Ecomat &

    Ecochem Lanzhou 730000 Peoples R China;

    Chinese Acad Sci Lanzhou Inst Chem Phys State Key Lab Solid Lubricat Lanzhou 730000 Peoples R China;

    Chinese Acad Sci Lanzhou Inst Chem Phys Res &

    Dev Ctr Ecomat &

    Ecochem Lanzhou 730000 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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