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Towards centimeter thick transparent wood through interface manipulation

Li, Yuanyuan (author)
KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center,Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden
Yang, Xuan (author)
KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center,Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden
Fu, Qiliang, 1986- (author)
KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center,Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden
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Rojas, Ramiro (author)
KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center,Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden
Yan, Max (author)
KTH,Tillämpad fysik
Berglund, Lars, 1956- (author)
KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center,Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden
Yan, Min (author)
School of Engineering Science, Department of Applied Physics, KTH Royal Institute of Technology, Kista, Sweden
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 (creator_code:org_t)
2018
2018
English.
In: Journal of Materials Chemistry A. - : Royal Society of Chemistry. - 2050-7488 .- 2050-7496. ; 6:3, s. 1094-1101
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Transparent wood is an attractive structural material for energy-saving buildings due to its high optical transmittance, good thermal insulation, and high toughness. However, thick highly transparent wood is challenging to realize. In the current work, highly transparent wood (1.5 mm) with a transmittance of 92%, close to that of pure PMMA (95%), is demonstrated. The high transmittance was realized by interface manipulation through acetylation of wood template. Both experiments and electromagnetic modeling support that the improved transmittance is mainly due to elimination of interface debonding gap. By applying this method, a centimeter-thick transparent wood structure was obtained. The transparent wood could be used as a substrate for an optically tunable window by laminating a polymer dispersed liquid crystal (PDLC) film on top. The techniques demonstrated are a step towards the replacement of glass in smart windows and smart buildings.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)

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ref (subject category)
art (subject category)

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