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Spiky niobium oxide nanoparticles through hydrothermal synthesis

机译:水热法合成尖峰氧化铌纳米粒子

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摘要

The development of ceramic nanomaterials with unique structure is necessary for discovery of novel property. We developed a novel niobium oxide nanoparticles with a spiky morphology. The spiky structure was composed of two kinds of component: niobium oxide hydrate sphere core and niobium pentoxide nanorods. These spiky niobium oxide nanoparticles are easily synthesized by hydrothermal treatment of niobium oxalate solution at 200 °C for 2 h, and their particle size could be tuned from 80 to 300 nm with 5-10 nm of nanorod on the surface by adjusting niobium concentration in the niobium oxalate solution. The band gap energy of the spiky nanoparticles was around 3.4 eV, and the spiky niobium oxide nanoparticles showed a light absorption in a wide wave length range from 380 to 700 nm. The niobium oxide nanoparticles are applicable as both solid acid catalyst and photocatalyst because of their spiky and two-layer structure.
机译:具有独特结构的陶瓷纳米材料的开发对于发现新特性是必要的。我们开发了具有尖峰形态的新型氧化铌纳米颗粒。尖峰结构由两种成分组成:水合氧化铌球核和五氧化铌纳米棒。这些尖刺的氧化铌纳米粒子可以通过在200°C下对草酸铌溶液进行水热处理2 h来轻松合成,并且可以通过调节铌浓度来调整其粒径,将纳米粒子的表面尺寸从80 nm调整为300 nm至5-10 nm。草酸铌溶液。尖峰纳米粒子的带隙能约为3.4 eV,尖峰氧化铌纳米粒子在380至700 nm的宽波长范围内显示出光吸收。氧化铌纳米颗粒由于其尖峰和两层结构而可用作固体酸催化剂和光催化剂。

著录项

  • 来源
    《Journal of Materials Research》 |2017年第17期|3326-3332|共7页
  • 作者单位

    Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Nagoya, Japan;

    Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Nagoya, Japan,Frontier Research Institute for Materials Science, Nagoya Institute of Technology, Nagoya, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    catalytic; nanostructure; Nb;

    机译:催化;纳米结构铌;

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