Design and characterization of an OPV-ETFE multi-layer semi-transparent glazing
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Date
2022
Authors
Riverola Lacasta, Alberto
Chemisana Villegas, Daniel
Moreno Bellostes, Àlex
Vaillon, Rodolphe
Solans Barón, Alejandro
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Abstract
Architectural glazing has several advantages in terms of aesthetics and user well-being perspectives. However, they can have large impacts on heating and cooling demands and artificial lighting
requirements. Ethylene tetrafluoroethylene (ETFE) cushion systems present adequate insulating and
transparency characteristics, and, combined with organic photovoltaic (OPV) modules, become a glazing element leading towards energy efficient buildings. The present manuscript reports on a detailed
optical, thermal and electrical analysis of a 3-layer ETFE/ OPV cushion that helps the design of these
glazing-type systems by providing a better understanding of their performance. Spectrophotometric
optical measurements up to 50 µm allow proper estimations of an individual layer radiative behavior.
As a matter of fact, these measurements feed the radiative and thermal models that aim at determining
the behavior of the organic photovoltaic module as a function of its position in the cushion. Based on
the organic photovoltaic module spectral response, electrical power production is estimated. Results
reveal that the best configuration is the one placing the organic photovoltaic module in the outer
layer, since it represents the case where the OPV module performs better due to the higher incident
irradiance and the low dependency on temperature of the generated power.
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Energy Reports, 2022, vol. 8, p. 8312-8320