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Air-Processable Perovskite Solar Cells by Hexamine Molecule Phase Stabilization
Nabilah Alias1, Akrajas Ali Umar1, Siti Naqiyah Sadikin1
1Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, UKM, 43600 Bangi, Selangor, Malaysia.
ACS Omega
|June 5, 2023
Summary
Hexamine molecules enhance perovskite solar cell stability and performance. This breakthrough enables durable, air-processable solar cells, paving the way for industrialization.
Area of Science:
- Materials Science
- Renewable Energy
- Photovoltaics
Background:
- Perovskite solar cells offer low-cost, high-efficiency energy generation.
- Poor ambient stability hinders commercialization of perovskite solar cells.
Purpose of the Study:
- To improve the stability and performance of perovskite solar cells.
- To enable air-processable perovskite solar cells through enhanced stability.
Main Methods:
- Incorporation of hexamine molecules into the perovskite lattice.
- Fabrication and testing of unencapsulated perovskite solar cells.
- Assessment of power conversion efficiency and ambient stability under controlled conditions.
Main Results:
- Perovskite solar cells with hexamine achieved 16.83% power conversion efficiency.
- Unencapsulated cells demonstrated over 1500 hours of stability in 65-90% relative humidity.
- Hexamine introduction enhanced photoactive phase stability.
Conclusions:
- Hexamine molecules significantly improve perovskite solar cell stability and performance.
- The developed cells are air-processable and suitable for real-world applications.
- This research advances perovskite solar cell technology towards industrial viability.
