Abstract
AbstractSemi‐transparent perovskite solar cells (ST‐PSCs) engendered enormous attention for practical applications such as power generation windows. However, it is still challenging to achieve high‐performance, robust and neutral‐colored ST‐PSCs. Herein we demonstrate a moth‐eye‐inspired structure (MEIS) for light‐trapping photons in the wavelength range where the human eye is less perceptive. This biomimetic structure contributes to the improvements in ST‐PSCs performance and visual appearance simultaneously. Consequently, a record high figure‐of‐merit for ST‐PSC, defined as the product of power conversion efficiency and the average visible transmittance, is achieved. Meanwhile, the optical appearance is converted to a desired near‐neutral color after introducing the MEIS. The investigation of ST‐PSCs with long‐term stability is implemented via engineering blend ratio of halides. The modified device exhibited appealing tolerance against moisture and solar irradiation. This work reveals an in‐depth understanding of light trapping along with modifying the visual appearance of solar cells.image
Highlights
The power consumption of buildings is tremendous.[1]a vast amount of energy is wasted during distribution
To achieve efficient light-harvesting in the desired wavelength range, we report a biomimetic moth-eye-inspired structure (MEIS)
The polystyrene (PS) spheres are assembled on planar-ITO using the Langmuir–Blodgett technique, which is a template used to pattern MEIS-ITO
Summary
The power consumption of buildings is tremendous.[1]a vast amount of energy is wasted during distribution. Due to the alteration of the absorption spectra, a desired near-neutral color is achieved in MEIS based device.
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