Optical interference coatings for coloured building integrated photovoltaic modules: Predicting and optimising visual properties and efficiency

Røyset, Arne; Kolås, Tore; Nordseth, Ørnulf; You, Chang Chuan

doi:10.1016/j.enbuild.2023.113517

Energy and Buildings

2023

DOI: 10.1016/j.enbuild.2023.113517

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Optical interference coatings for coloured building integrated photovoltaic modules: Predicting and optimising visual properties and efficiency

Arne Røyset,

Tore Kolås,

Ørnulf Nordseth

et al.

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2024

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Cited by 4 publications

References 16 publications

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Optimizing Aesthetic Appearance of Perovskite Solar Cells Using Color Filters

Schaible,

Winarto,

Škorjanc

et al. 2024

Solar RRL

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The significance of color aesthetics in photovoltaic (PV) modules gains importance, especially in design‐centric applications like building‐integrated PVs. Color filters based on distributed Bragg reflectors, consisting of alternating thin‐film layers of different refractive indices, can modify the appearance of standard silicon modules. This approach is also extended to optimize the color appearance of emerging PV technologies such as perovskite solar cells, which typically exhibit a less appealing gray–brownish appearance. In this contribution, perovskite solar‐cell stacks combined with MorphoColor color filters are presented. Angular‐resolved reflectance simulations based on wave optics and ray tracing with experimental data are validated, and the color appearance from various viewing angles is evaluated. Additionally, the impact of individual layers on color appearance and the maximum achievable short‐circuit current density in the perovskite solar cell is investigated. By applying Bayesian optimization, the color distance is minimized to the targeted appearance. Tailoring the bridging layers between the color filter and the perovskite solar cell is found to strongly influence the color impression due to the coherently combined color filter and perovskite solar cell. The presented color optimization concept allows to customize the aesthetics of emerging PV thin‐film technologies such as perovskite solar cells.

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Optimizing Aesthetic Appearance of Perovskite Solar Cells Using Color Filters

Schaible,

Winarto,

Škorjanc

et al. 2024

Solar RRL

View full text Add to dashboard Cite

show abstract

Integrating vertical farm into low-carbon high-rise building in high-density context: A design case study in Hong Kong

Bao,

Leung,

Poon

et al. 2024

Journal of Building Engineering

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Development of novel orange colored photovoltaic modules with improved angular stability and high energy efficiency

Manwani,

Lagier,

Krammer

et al. 2024

Solar Energy Materials and Solar Cells

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Optical interference coatings for coloured building integrated photovoltaic modules: Predicting and optimising visual properties and efficiency

Cited by 4 publications

References 16 publications

Optimizing Aesthetic Appearance of Perovskite Solar Cells Using Color Filters

Optimizing Aesthetic Appearance of Perovskite Solar Cells Using Color Filters

Integrating vertical farm into low-carbon high-rise building in high-density context: A design case study in Hong Kong

Development of novel orange colored photovoltaic modules with improved angular stability and high energy efficiency

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