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首页> 外文期刊>Nanotechnology >Multifunctionality in coating films including Nb-doped TiO2 and CsxWO3: near infrared shielding and photocatalytic properties
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Multifunctionality in coating films including Nb-doped TiO2 and CsxWO3: near infrared shielding and photocatalytic properties

机译：涂膜中的多官能团，包括Nb掺杂TiO2和CSXWO3：近红外屏蔽和光催化性能

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摘要

Various types of coating films were obtained from hydrothermally synthesized Nb-doped TiO2 (NTO) and CsxWO3 (CWO) nanoparticles. The coating films possessed multifunctionality including near infrared (NIR) absorption and photocatalysis abilities. The NTO and CWO nanoparticles were synthesized by a unique solvothermal reaction in which water induced by an esterification reaction between alcohol and carboxylic acid can act as a hydrolyzing agent for metal precursors. NTO was synthesized by the unique solvothermal reaction for the first time. The reaction accompanied by the reduction of Ti4+ to Ti3+ led to the formation of nanoparticles with both NIR absorption and photocatalytic properties. The effect of the ethanol-acetic acid ratio on the morphology of the obtained NTO was investigated, and the larger amount of acetic acid led to a larger nanoparticle size, indicating the size controllability. The two types of coating film, including CWO and NTO nanoparticles, were obtained for comparison: (1) coexistent coating film: one side of the quartz glass was coated with a dispersion, including both CWO and NTO nanoparticles, and (2) double-sided coating film: a quartz glass coated with a CWO dispersion on one side and an NTO dispersion on the other side. The double-sided coating led to higher multifunctionality. Furthermore, the optimized condition for the double-sided coating was investigated by using various NTO particles obtained using different ethanol-acetic acid ratios.
机译：从水热合成的Nb掺杂TiO2（NTO）和CSXWO3（CWO）纳米颗粒中获得各种类型的涂膜。涂膜具有多功能性，包括近红外（NIR）吸收和光催化能力。通过独特的溶剂热反应合成NTO和CWO纳米颗粒，其中醇和羧酸之间的酯化反应诱导的水可以作为金属前体的水解剂。第一次通过独特的溶剂热反应合成NTO。反应伴随着减少Ti4 +至Ti3 +导致纳米颗粒的形成，具有NIR吸收和光催化性能。研究了乙醇 - 乙酸比对所得NTO的形态的影响，并且较大量的乙酸导致较大的纳米颗粒尺寸，表明尺寸可控性。得到两种类型的涂膜，包括CwO和No纳米颗粒，用于比较：（1）共存涂膜：用分散体涂覆石英玻璃的一侧，包括CWO和NTO纳米粒子，（2）双侧面涂膜：在一侧涂有CWO分散的石英玻璃，另一侧的NTO分散。双面涂层导致更高的多功能性。此外，通过使用不同的乙醇 - 乙酸比获得的各种NTO颗粒研究了双面涂层的优化条件。

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  • 来源
    《Nanotechnology》 |2018年第22期|共7页
  • 作者

    Asakura Yusuke; Anada Yuto; Hamanaka Ryo; Sato Tsugio; Katsumata Ken-ichi; Wu Xiaoyong; Yin Shu;

  • 作者单位

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tokyo Univ Sci Photocatalysis Int Res Ctr Res Inst Sci &

    Technol 2641 Yamazaki Noda Chiba 2788510 Japan;

    Wuhan Univ Technol Hubei Prov Collaborat Innovat Ctr High Efficient Hubei Key Lab Mineral Resources Proc &

    Environm 122 Luoshi Rd Wuhan 430070 Hubei Peoples R China;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

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  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    multifunctional coating; Nb-doped TiO2; CsxWO3; near infrared shielding; photocatalytic NOx decomposition;

    机译：多功能涂层;NB掺杂TiO2;CSXWO3;近红外屏蔽;光催化NOx分解;

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