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Title: Flexible smart photovoltaic foil for energy generation and conservation in buildings
Authors: Meng, Yun
Li, Xin
Wang, Shancheng
Lau, ChooiKim
Hu, Hebing
Ke, Yujie
Tan, Gang
Yang, Junyou
Long, Yi
Keywords: Engineering::Materials
Issue Date: 2022
Source: Meng, Y., Li, X., Wang, S., Lau, C., Hu, H., Ke, Y., Tan, G., Yang, J. & Long, Y. (2022). Flexible smart photovoltaic foil for energy generation and conservation in buildings. Nano Energy, 91, 106632-.
Project: RG103/19
Journal: Nano Energy
Abstract: Building-integrated solar cells not only generate electricity but also impact the envelope thermal characteristics, thus changing the micro-climate of buildings. Therefore, the collective effects of energy conservation and generation on buildings should be considered in one design. In this work, a smart photovoltaic window foil with near-infrared (NIR) modulation and low long-wavelength IR emissivity has been fabricated by combining organic perovskite and inorganic tungsten doped vanadium dioxide nanoparticles (W-VO2 NPs). The W-VO2 offers solar modulation and promotes extraction and transport of photogenerated charges, giving peak power conversion efficiency of 15.4% at 25 ℃ and 16.1% at 45 ℃ and average visible transmission of 25.5%, comparable to the best reported semitransparent perovskite solar cell with an additional favorable NIR modulation of 10.7%. This new strategy to integrate energy-saving functionality into photovoltaic foil initiates a new design rule for smart window development.
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2021.106632
Rights: © 2021 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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