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首页> 外文期刊>Journal of nano research >A Comparative Study on the Phase Structure, Optical and NIR Reflectivity of BaFe_(12)O_(19) Nano-Pigments by the Traditional and Modified Polyacrylamide Gel Method
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A Comparative Study on the Phase Structure, Optical and NIR Reflectivity of BaFe_(12)O_(19) Nano-Pigments by the Traditional and Modified Polyacrylamide Gel Method

机译：通过传统和改性聚丙烯酰胺凝胶法对Bafe_（12）o_（19）纳米颜料的相结构，光学和NIR反射率的比较研究

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摘要

Barium hexaferrite (BaFe12O19) nano - pigment is a pigment with high near infrared reflection in the wavelength range of 1400-2500 nm. The BaFe12O19 nano - pigments were synthesized by the traditional and modified polyacrylamide gel method and characterized by thermogravimetric and differential scanning calorimetry (TG-DSC) analyses, X-ray powder diffraction (XRD), fourier transform infrared (FTIR), transmission electron microscopy(TEM), and UV-Visible spectrophotometer. The physicochemical properties of BaFe12O19 nano pigments are strongly dependent on the synthesis route. The introduction of carbon particles into the BaFe12O19 precursor accelerates the formation of BaFe12O19 phase, reduces its particle diameter and changes its color properties. The modified polyacrylamide gel method makes it possible to obtain a high efficient near infrared reflection BaFe12O19 nano - pigments with a solar reflectance SR90%. The high near infrared reflection makes BaFe12O19 nano - pigments have potential applications in the field of heat shielding.
机译：六偏发射钡（Bafe12O19）纳米颜料是一种颜料，在1400-2500nm的波长范围内具有高近红外反射的颜料。通过传统和改性的聚丙烯酰胺凝胶法合成Bafe12O19纳米颜料，其特征在于热重分析和差分扫描量热法（TG-DSC）分析，X射线粉衍射（XRD），傅里叶变换红外（FTIR），透射电子显微镜（ TEM）和UV可见分光光度计。 Bafe12O19纳米颜料的物理化学特性强烈依赖于合成途径。将碳颗粒引入Bafe12O19前体加速了Bafe12O19相的形成，降低了其粒径并改变其颜色性质。改性的聚丙烯酰胺凝胶法使得可以获得具有太阳反射SR＆GT的高效近红外反射Bafe12O19纳米颜料。90％。高近红外反射使得Bafe12O19纳米颜料在隔热领域具有潜在的应用。

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  • 来源
    《Journal of nano research》 |2021年第1期|1-14|共14页
  • 作者

    Wang Shifa; Chen Xiangyu; Gao Huajing; Fang Leiming; Hu Qiwei; Sun Guangai; Tang Shengnan; Liu Hao; Yu Chuan; Pan Xudong;

  • 作者单位

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China|Chongqing Three Gorges Univ Chongqing Key Lab Geol Environm Monitoring & Dis Chongqing 404000 Wanzhou Peoples R China;

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China;

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China|Lanzhou Univ Technol Sch Sci Lanzhou 730050 Peoples R China;

    China Acad Engn Phys Inst Nucl Phys & Chem Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Nucl Phys & Chem Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Nucl Phys & Chem Mianyang 621900 Sichuan Peoples R China;

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China;

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China;

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China;

    Chongqing Three Gorges Univ Sch Elect & Informat Engn Chongqing 404000 Wanzhou Peoples R China;

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  • 正文语种 eng
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  • 关键词

    BaFe12O19; nano - pigment; polyacrylamide gel method; carbon particles; near infrared reflection;

    机译：BAFE12O19;纳米颜料;聚丙烯酰胺凝胶法;碳颗粒;近红外反射;

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