Morphology-controlled synthesis of W 18O 49 nanostructures and their near-infrared absorption properties

Chongshen Guo; Shu Yin; Mei Yan; Makoto Kobayashi; Masato Kakihana; Tsugio Sato

doi:10.1021/ic300049j

Morphology-controlled synthesis of W ₁₈O ₄₉ nanostructures and their near-infrared absorption properties

Chongshen Guo, Shu Yin, Mei Yan, Makoto Kobayashi, Masato Kakihana, Tsugio Sato

IMRAM - Division of Inorganic Material Research

Tohoku University

Research output: Contribution to journal › Article › peer-review

250 Citations (Scopus)

Abstract

The morphology-controlled synthesis and near-infrared (NIR) absorption properties of W ₁₈O ₄₉ were systematically investigated for the application of innovative energy-saving windows. Various morphologies of W ₁₈O ₄₉, such as nanorods, nanofibers, nanograins, nanoassembles, nanoplates, and nanoparticles, with various sizes were successfully synthesized by solvothermal reactions using organic alcohols as reaction media and WCl ₆, W(EtO) ₆, and WO ₃ solids as the tungsten source. W ₁₈O ₄₉ nanorods of less than 50 nm in length showed the best optical performance as an effective solar filter, which realized high transmittance in the visible region as well as excellent shielding properties of NIR light. Meanwhile, the W ₁₈O ₄₉ nanorods also exhibited strong absorption of NIR light and instantaneous conversion of the absorbed photoenergy to the local heat.

Original language	English
Pages (from-to)	4763-4771
Number of pages	9
Journal	Inorganic Chemistry
Volume	51
Issue number	8
DOIs	https://doi.org/10.1021/ic300049j
Publication status	Published - 2012 Apr 16

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abstract = "The morphology-controlled synthesis and near-infrared (NIR) absorption properties of W 18O 49 were systematically investigated for the application of innovative energy-saving windows. Various morphologies of W 18O 49, such as nanorods, nanofibers, nanograins, nanoassembles, nanoplates, and nanoparticles, with various sizes were successfully synthesized by solvothermal reactions using organic alcohols as reaction media and WCl 6, W(EtO) 6, and WO 3 solids as the tungsten source. W 18O 49 nanorods of less than 50 nm in length showed the best optical performance as an effective solar filter, which realized high transmittance in the visible region as well as excellent shielding properties of NIR light. Meanwhile, the W 18O 49 nanorods also exhibited strong absorption of NIR light and instantaneous conversion of the absorbed photoenergy to the local heat.",

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T1 - Morphology-controlled synthesis of W 18O 49 nanostructures and their near-infrared absorption properties

AU - Guo, Chongshen

AU - Yin, Shu

AU - Yan, Mei

AU - Kobayashi, Makoto

AU - Kakihana, Masato

AU - Sato, Tsugio

PY - 2012/4/16

Y1 - 2012/4/16

N2 - The morphology-controlled synthesis and near-infrared (NIR) absorption properties of W 18O 49 were systematically investigated for the application of innovative energy-saving windows. Various morphologies of W 18O 49, such as nanorods, nanofibers, nanograins, nanoassembles, nanoplates, and nanoparticles, with various sizes were successfully synthesized by solvothermal reactions using organic alcohols as reaction media and WCl 6, W(EtO) 6, and WO 3 solids as the tungsten source. W 18O 49 nanorods of less than 50 nm in length showed the best optical performance as an effective solar filter, which realized high transmittance in the visible region as well as excellent shielding properties of NIR light. Meanwhile, the W 18O 49 nanorods also exhibited strong absorption of NIR light and instantaneous conversion of the absorbed photoenergy to the local heat.

AB - The morphology-controlled synthesis and near-infrared (NIR) absorption properties of W 18O 49 were systematically investigated for the application of innovative energy-saving windows. Various morphologies of W 18O 49, such as nanorods, nanofibers, nanograins, nanoassembles, nanoplates, and nanoparticles, with various sizes were successfully synthesized by solvothermal reactions using organic alcohols as reaction media and WCl 6, W(EtO) 6, and WO 3 solids as the tungsten source. W 18O 49 nanorods of less than 50 nm in length showed the best optical performance as an effective solar filter, which realized high transmittance in the visible region as well as excellent shielding properties of NIR light. Meanwhile, the W 18O 49 nanorods also exhibited strong absorption of NIR light and instantaneous conversion of the absorbed photoenergy to the local heat.

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Morphology-controlled synthesis of W ₁₈O ₄₉ nanostructures and their near-infrared absorption properties

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