Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency

Windows are a major contributor to energy loss in buildings, particularly in hot climates where solar radiation heat gain significantly increases cooling demand. An ideal energy-efficient window must maintain high visible light transmittance while effectively blocking ultraviolet and near-infrared r...

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Main Authors: Huilin Yang, Maoquan Huang, Mingyang Yang, Xuankai Zhang, Mu Du
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Gels
Subjects:
Online Access:https://www.mdpi.com/2310-2861/11/7/553
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author Huilin Yang
Maoquan Huang
Mingyang Yang
Xuankai Zhang
Mu Du
author_facet Huilin Yang
Maoquan Huang
Mingyang Yang
Xuankai Zhang
Mu Du
author_sort Huilin Yang
collection DOAJ
description Windows are a major contributor to energy loss in buildings, particularly in hot climates where solar radiation heat gain significantly increases cooling demand. An ideal energy-efficient window must maintain high visible light transmittance while effectively blocking ultraviolet and near-infrared radiation, presenting a significant challenge for material design. We propose a plasma silica aerogel window utilizing the local surface plasmon resonance effect of plasmonic nanoparticles. This design incorporates indium tin oxide (ITO) nanospheres (for broad-band UV/NIR blocking) and silver (Ag) nanocylinders (targeted blocking of the 0.78–0.9 μm NIR band) co-doped into the silica aerogel. This design achieves a visible light transmittance of 0.8, a haze value below 0.12, and a photothermal ratio of 0.91. Building simulations indicate that compared to traditional glass, this window can achieve annual energy savings of 20–40% and significantly reduce the economic losses associated with traditional glass, providing a feasible solution for sustainable buildings.
format Article
id doaj-art-860b7979fc084b049e3d7077fb0fd6ef
institution Kabale University
issn 2310-2861
language English
publishDate 2025-07-01
publisher MDPI AG
record_format Article
series Gels
spelling doaj-art-860b7979fc084b049e3d7077fb0fd6ef2025-08-20T03:35:37ZengMDPI AGGels2310-28612025-07-0111755310.3390/gels11070553Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy EfficiencyHuilin Yang0Maoquan Huang1Mingyang Yang2Xuankai Zhang3Mu Du4Institute for Advanced Technology, Shandong University, Jinan 250061, ChinaInstitute for Advanced Technology, Shandong University, Jinan 250061, ChinaSchool of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710049, ChinaInstitute for Advanced Technology, Shandong University, Jinan 250061, ChinaInstitute for Advanced Technology, Shandong University, Jinan 250061, ChinaWindows are a major contributor to energy loss in buildings, particularly in hot climates where solar radiation heat gain significantly increases cooling demand. An ideal energy-efficient window must maintain high visible light transmittance while effectively blocking ultraviolet and near-infrared radiation, presenting a significant challenge for material design. We propose a plasma silica aerogel window utilizing the local surface plasmon resonance effect of plasmonic nanoparticles. This design incorporates indium tin oxide (ITO) nanospheres (for broad-band UV/NIR blocking) and silver (Ag) nanocylinders (targeted blocking of the 0.78–0.9 μm NIR band) co-doped into the silica aerogel. This design achieves a visible light transmittance of 0.8, a haze value below 0.12, and a photothermal ratio of 0.91. Building simulations indicate that compared to traditional glass, this window can achieve annual energy savings of 20–40% and significantly reduce the economic losses associated with traditional glass, providing a feasible solution for sustainable buildings.https://www.mdpi.com/2310-2861/11/7/553silica aerogelplasmonic particleenergy-saving window
spellingShingle Huilin Yang
Maoquan Huang
Mingyang Yang
Xuankai Zhang
Mu Du
Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency
Gels
silica aerogel
plasmonic particle
energy-saving window
title Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency
title_full Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency
title_fullStr Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency
title_full_unstemmed Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency
title_short Precision Solar Spectrum Filtering in Aerogel Windows via Synergistic ITO-Ag Nanoparticle Doping for Hot-Climate Energy Efficiency
title_sort precision solar spectrum filtering in aerogel windows via synergistic ito ag nanoparticle doping for hot climate energy efficiency
topic silica aerogel
plasmonic particle
energy-saving window
url https://www.mdpi.com/2310-2861/11/7/553
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AT maoquanhuang precisionsolarspectrumfilteringinaerogelwindowsviasynergisticitoagnanoparticledopingforhotclimateenergyefficiency
AT mingyangyang precisionsolarspectrumfilteringinaerogelwindowsviasynergisticitoagnanoparticledopingforhotclimateenergyefficiency
AT xuankaizhang precisionsolarspectrumfilteringinaerogelwindowsviasynergisticitoagnanoparticledopingforhotclimateenergyefficiency
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