Increased environmental stability of a tungsten bronze NIR-absorbing window

Wi Hyoung Lee; Hyunmin Hwang; Kyunghwan Moon; Kwonwoo Shin; Jong Hun Han; Soong Ho Um; Juhyun Park; Jeong Ho Cho

doi:10.1007/s12221-013-2077-0

Increased environmental stability of a tungsten bronze NIR-absorbing window

Wi Hyoung Lee, Hyunmin Hwang, Kyunghwan Moon, Kwonwoo Shin, Jong Hun Han, Soong Ho Um, Juhyun Park, Jeong Ho Cho

Department of Chemical and Biomolecular Engineering

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

7 Citations (Scopus)

Abstract

We developed a facile method for increasing the environmental stability of a tungsten bronze near-infrared (NIR)-absorbing window using tetraethyl orthosilicate (TEOS) and 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FDS). The environmental stability of the tungsten bronze NIR-absorbing window could be enhanced by applying a variety of protective layers (i.e., TEOS, fluoropolymer (CYTOP), FDS). The protective characteristics of each layer type are discussed. The protection of tungsten bronze surfaces by TEOS and FDS layers enormously enhanced the environmental stability of the NIR absorbing window, whereas an untreated tungsten bronze film rapidly lost its NIR absorption properties. The protection efficiency followed the order: TEOS/FDS>FDS>TEOS>CYTOP. The improved environmental stability arose from the closely packed structure of FDS, which can self-assemble on an oxide surface, such as the tungsten oxide or silicon oxide surfaces. The method developed here provides a simple, robust, and versatile way to improve the environmental stability of a NIR-absorbing window.

Original language	English
Pages (from-to)	2077-2082
Number of pages	6
Journal	Fibers and Polymers
Volume	14
Issue number	12
DOIs	https://doi.org/10.1007/s12221-013-2077-0
Publication status	Published - 2013 Dec

Bibliographical note

Funding Information:
This study was supported by the Energy & Resource Technology Development Program funded by the Ministry of Knowledge Economy, Republic of Korea (No. 2010T100200196, Transparent and insulating window system with thermochromic functionalities of blocking or absorbing infrared rays), the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy, Republic of Korea under the grant number of K00060054-55505, and Basic Science Research Program through the National Research Foundation of Korea Grant funded by the Ministry of Science, ICT & Future Planning (2009-0083540).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Polymers and Plastics

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title = "Increased environmental stability of a tungsten bronze NIR-absorbing window",

abstract = "We developed a facile method for increasing the environmental stability of a tungsten bronze near-infrared (NIR)-absorbing window using tetraethyl orthosilicate (TEOS) and 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FDS). The environmental stability of the tungsten bronze NIR-absorbing window could be enhanced by applying a variety of protective layers (i.e., TEOS, fluoropolymer (CYTOP), FDS). The protective characteristics of each layer type are discussed. The protection of tungsten bronze surfaces by TEOS and FDS layers enormously enhanced the environmental stability of the NIR absorbing window, whereas an untreated tungsten bronze film rapidly lost its NIR absorption properties. The protection efficiency followed the order: TEOS/FDS>FDS>TEOS>CYTOP. The improved environmental stability arose from the closely packed structure of FDS, which can self-assemble on an oxide surface, such as the tungsten oxide or silicon oxide surfaces. The method developed here provides a simple, robust, and versatile way to improve the environmental stability of a NIR-absorbing window.",

author = "Lee, {Wi Hyoung} and Hyunmin Hwang and Kyunghwan Moon and Kwonwoo Shin and Han, {Jong Hun} and Um, {Soong Ho} and Juhyun Park and Cho, {Jeong Ho}",

note = "Funding Information: This study was supported by the Energy & Resource Technology Development Program funded by the Ministry of Knowledge Economy, Republic of Korea (No. 2010T100200196, Transparent and insulating window system with thermochromic functionalities of blocking or absorbing infrared rays), the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy, Republic of Korea under the grant number of K00060054-55505, and Basic Science Research Program through the National Research Foundation of Korea Grant funded by the Ministry of Science, ICT & Future Planning (2009-0083540).",

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AU - Hwang, Hyunmin

AU - Moon, Kyunghwan

AU - Shin, Kwonwoo

AU - Han, Jong Hun

AU - Um, Soong Ho

AU - Park, Juhyun

AU - Cho, Jeong Ho

N1 - Funding Information: This study was supported by the Energy & Resource Technology Development Program funded by the Ministry of Knowledge Economy, Republic of Korea (No. 2010T100200196, Transparent and insulating window system with thermochromic functionalities of blocking or absorbing infrared rays), the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy, Republic of Korea under the grant number of K00060054-55505, and Basic Science Research Program through the National Research Foundation of Korea Grant funded by the Ministry of Science, ICT & Future Planning (2009-0083540).

PY - 2013/12

Y1 - 2013/12

N2 - We developed a facile method for increasing the environmental stability of a tungsten bronze near-infrared (NIR)-absorbing window using tetraethyl orthosilicate (TEOS) and 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FDS). The environmental stability of the tungsten bronze NIR-absorbing window could be enhanced by applying a variety of protective layers (i.e., TEOS, fluoropolymer (CYTOP), FDS). The protective characteristics of each layer type are discussed. The protection of tungsten bronze surfaces by TEOS and FDS layers enormously enhanced the environmental stability of the NIR absorbing window, whereas an untreated tungsten bronze film rapidly lost its NIR absorption properties. The protection efficiency followed the order: TEOS/FDS>FDS>TEOS>CYTOP. The improved environmental stability arose from the closely packed structure of FDS, which can self-assemble on an oxide surface, such as the tungsten oxide or silicon oxide surfaces. The method developed here provides a simple, robust, and versatile way to improve the environmental stability of a NIR-absorbing window.

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