Near-infrared absorption properties of Rb xWO 3 nanoparticles

Chongshen Guo; Shu Yin; Qiang Dong; Tsugio Sato

doi:10.1039/c2ce25460c

Near-infrared absorption properties of Rb _xWO ₃ nanoparticles

Chongshen Guo^*
, Shu Yin
, Qiang Dong
, Tsugio Sato

^*Corresponding author for this work

Tohoku University

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

59 Scopus citations

Abstract

The rubidium tungsten bronze (Rb _xWO ₃) nanoparticles were synthesized by a solvothermal process in CH ₃COOH-C ₂H ₅OH mixed solutions for the application to near-infrared absorption materials. The as-obtained powder products were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and UV-Vis-NIR spectra. The morphologies of samples were greatly changed as large irregular aggregates, aggregates of rod-like and irregular shaped nanoparticles and rod-like microparticles with increasing content of acetic acid in the starting solution. The sample synthesized in a 20 vol.% CH ₃COOH to 80 vol.% C ₂H ₅OH mixed solution consisted of the agglomerated particles of 50-100 nm in diameter, showing a highly disordered microstructure. Promoted by this disordered nature, the thin film of Rb _xWO ₃ nanoparticles realized excellent absorption of near-infrared light, meanwhile, it selectively transmitted the major part of visible light.

Original language	English
Pages (from-to)	7727-7732
Number of pages	6
Journal	CrystEngComm
Volume	14
Issue number	22
DOIs	https://doi.org/10.1039/c2ce25460c
State	Published - 21 Nov 2012
Externally published	Yes

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title = "Near-infrared absorption properties of Rb xWO 3 nanoparticles",

abstract = "The rubidium tungsten bronze (Rb xWO 3) nanoparticles were synthesized by a solvothermal process in CH 3COOH-C 2H 5OH mixed solutions for the application to near-infrared absorption materials. The as-obtained powder products were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and UV-Vis-NIR spectra. The morphologies of samples were greatly changed as large irregular aggregates, aggregates of rod-like and irregular shaped nanoparticles and rod-like microparticles with increasing content of acetic acid in the starting solution. The sample synthesized in a 20 vol.\% CH 3COOH to 80 vol.\% C 2H 5OH mixed solution consisted of the agglomerated particles of 50-100 nm in diameter, showing a highly disordered microstructure. Promoted by this disordered nature, the thin film of Rb xWO 3 nanoparticles realized excellent absorption of near-infrared light, meanwhile, it selectively transmitted the major part of visible light.",

author = "Chongshen Guo and Shu Yin and Qiang Dong and Tsugio Sato",

year = "2012",

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doi = "10.1039/c2ce25460c",

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T1 - Near-infrared absorption properties of Rb xWO 3 nanoparticles

AU - Guo, Chongshen

AU - Yin, Shu

AU - Dong, Qiang

AU - Sato, Tsugio

PY - 2012/11/21

Y1 - 2012/11/21

N2 - The rubidium tungsten bronze (Rb xWO 3) nanoparticles were synthesized by a solvothermal process in CH 3COOH-C 2H 5OH mixed solutions for the application to near-infrared absorption materials. The as-obtained powder products were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and UV-Vis-NIR spectra. The morphologies of samples were greatly changed as large irregular aggregates, aggregates of rod-like and irregular shaped nanoparticles and rod-like microparticles with increasing content of acetic acid in the starting solution. The sample synthesized in a 20 vol.% CH 3COOH to 80 vol.% C 2H 5OH mixed solution consisted of the agglomerated particles of 50-100 nm in diameter, showing a highly disordered microstructure. Promoted by this disordered nature, the thin film of Rb xWO 3 nanoparticles realized excellent absorption of near-infrared light, meanwhile, it selectively transmitted the major part of visible light.

AB - The rubidium tungsten bronze (Rb xWO 3) nanoparticles were synthesized by a solvothermal process in CH 3COOH-C 2H 5OH mixed solutions for the application to near-infrared absorption materials. The as-obtained powder products were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and UV-Vis-NIR spectra. The morphologies of samples were greatly changed as large irregular aggregates, aggregates of rod-like and irregular shaped nanoparticles and rod-like microparticles with increasing content of acetic acid in the starting solution. The sample synthesized in a 20 vol.% CH 3COOH to 80 vol.% C 2H 5OH mixed solution consisted of the agglomerated particles of 50-100 nm in diameter, showing a highly disordered microstructure. Promoted by this disordered nature, the thin film of Rb xWO 3 nanoparticles realized excellent absorption of near-infrared light, meanwhile, it selectively transmitted the major part of visible light.

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U2 - 10.1039/c2ce25460c

DO - 10.1039/c2ce25460c

M3 - 文章

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SN - 1466-8033

VL - 14

SP - 7727

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JO - CrystEngComm

JF - CrystEngComm

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ER -

Near-infrared absorption properties of Rb _xWO ₃ nanoparticles

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