Perovskite solar cells: an emerging photovoltaic technology
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Abstract
Perovskite solar cells based on organometal halides represent an emerging photovoltaic technology. Perovskite solar cells stem from dye-sensitized solar cells. In a liquid-based dye-sensitized solar cell structure, the adsorption of methylammonium lead halide perovskite on a nanocrystalline TiO2 surface produces a photocurrent with a power conversion efficiency (PCE) of around 3–4%, as first discovered in 2009. The PCE was doubled after 2 years by optimizing the perovskite coating conditions. However, the liquid-based perovskite solar cell receives little attention because of its stability issues, including instant dissolution of the perovskite in a liquid electrolyte. A long-term, stable, and high efficiency…
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Topics
Keywords
- Perovskite (structure)
- Photovoltaic system
- Materials science
- Halide
- Nanocrystalline material
- Energy conversion efficiency
- Solar cell
- Perovskite solar cell
UN Sustainable Development Goals
- Affordable and clean energy
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