Synthesis of W18O49 nanorod via ammonium tungsten oxide and its interesting optical properties

Chongshen Guo, Shu Yin, Yunfang Huang, Qiang Dong, Tsugio Sato

研究成果: Article査読

83 被引用数 (Scopus)


W18O49 nanorods were synthesized by pyrolyzing (NH4)xWO3+x/2 nanorods precursors, which were prepared by a hydrothermal reaction using sulfate as a structure-directing agent, in a reductive atmosphere of H2(5 vol %)/N2 at 500 °C for 1 h. W18O49 nanorods showed high transmittance in the visible region as well as excellent shielding properties of NIR lights. A simulated experiment revealed that excellent heat insulating performance can be realized by applying a 70% visible light transparent W18O 49 coating on a quartz glass. Meanwhile, the W18O 49 nanorods also showed strong absorption of NIR light and instantaneous conversion of photoenergy to heat. In a word, W18O 49 nanorods hold interesting optical properties and are a promising material in a wide range of applications.

出版ステータスPublished - 2011 10 4

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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