Progress in Photovoltaics Research and Applications· 2025Q1
Enhanced Performance of Perovskite Solar Cells Through the Application of Pure Natural Centella asiatica Extract Additives
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- Q1SCImago
- 2025year
Short summary
Adding 15% pure Centella asiatica extract (CICA) to the anti-solvent during perovskite film preparation increased power conversion efficiency (PCE) from 14.3% to 18.5%.
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Key points
- Pure Centella asiatica extract (CICA) was used as an additive in the anti-solvent for perovskite film preparation.
- Devices with 15% CICA additive achieved a power conversion efficiency (PCE) of 18.5%, up from 14.3% without the additive.
- The CICA additive helps capture uncoordinated Pb atoms due to its hydroxyl ions.
- Enhanced devices maintained 85% of their initial efficiency after 25 days of storage.
AI-generated from the title and abstract; the full text is not read.
Abstract
ABSTRACT This study initially employs Cs₀.₀₅FA₀.₈₁MA₀.₁₄PbI₂.₈₆Cl₀.₁₄ as the active layer for perovskite solar cells and explores the impact of using different concentrations of natural Centella asiatica (CICA) extracts mixed with chlorobenzene (CB) as anti‐solvent in the one‐step method of perovskite film preparation. Centella asiatica is rich in natural antioxidants and asiatic acid. It contains many hydroxyl ions, which are capable of capturing uncoordinated heavy metal Pb atoms. We found that devices made with 15% Centella asiatica extract mixed with CB achieved the highest power conversion efficiency (PCE), increasing from 14.3% to 18.5%. Moreover, the devices maintained 85% of their initial efficiency after being stored in a glove box for 25 days.
The authors' abstract, as published at the source. Progress in Photovoltaics Research and Applications, 2025 · DOI ↗
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Field: Electrical and Electronic Engineering
Electrical and Electronic EngineeringEngineering