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首页> 外文期刊>RSC Advances >Spectrally selective Cu1.5Mn1.5O4 spinel ceramic pigments for solar thermal applications
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Spectrally selective Cu1.5Mn1.5O4 spinel ceramic pigments for solar thermal applications

机译：用于太阳能热应用的光谱选择性Cu1.5mN1.5O4尖晶石陶瓷颜料

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摘要

In this work, Cu1.5Mn1.5O4 spinel ceramic pigments have been successfully prepared by a facile and cost-effective sol-gel self-combustion method and annealed at a temperature ranging from 500 degrees C to 900 degrees C for 1 h. The reaction process was discussed in detail through thermal analysis, X-ray diffraction (XRD), and Fourier transformation infrared spectroscopy (FTIR) techniques. The optical properties of the ceramic pigments annealed at various temperatures were also determined from the corresponding diffuse reflectance spectra in the 2.5-20 mm range, which elucidated that optimum spectrally selective paint coatings could be fabricated according to the pre-selection ceramic pigments. Ceramic pigments were utilized to fabricate thickness sensitive spectrally selective (TSSS) paint coatings by means of the convenient and practical spray-coating technique, and TSSS paint coatings based on pigments annealed at 700 degrees C showed absorptance of alpha(s) = 0.914-0.923 and emittance of epsilon(T) = 0.244-0.357. Besides, thermal stability tests were carried out by a prolonged and extended accelerated thermal investigation at 227 degrees C. The TSSS paint coatings exhibited no observable visual changes and the performance criterion (PC) values reached the requirement needed.
机译：在这项工作中，Cu1.5mN1.5O4尖晶石陶瓷颜料已通过容易和经济有效的溶胶 - 凝胶自燃方法成功制备，并在500℃至900℃的温度下退火1小时。通过热分析，X射线衍射（XRD）和傅立叶变换红外光谱（FTIR）技术详细讨论反应过程。在各种温度下退火的陶瓷颜料的光学性质也从2.5-20mm范围内的相应漫反射谱确定，其阐明了可以根据预选陶瓷颜料制造最佳的光谱选择性涂料涂料。通过方便实用的喷涂技术，利用陶瓷颜料制造厚度敏感光谱选择性（TSSS）涂料涂层，并且基于700摄氏度退火的颜料的TSSS涂料涂料显示出α的吸收率= 0.914-0.923 ε（t）= 0.244-0.357的粘合率。此外，在227℃下，通过延长和扩展的加速热调查进行热稳定性试验。TSSS涂料涂层没有观察到的视觉变化，性能标准（PC）值达到所需的要求。

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  • 来源
    《RSC Advances》 |2016年第39期|共9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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