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A one-step low temperature processing route for organolead halide perovskite solar cells
Matthew J Carnie1, Cecile Charbonneau, Matthew L Davies
1College of Engineering, Swansea University, Baglan Bay Innovation, Knowledge Centre, Central Avenue, Baglan Sa12 7ax, UK.
Chemical Communications (Cambridge, England)
|August 1, 2013
Summary
Low-temperature fabrication of organolead trihalide perovskite solar cells is achieved using a combined aluminum oxide (Al2O3)-perovskite layer. This method yields an average power conversion efficiency (PCE) of 7.2% on a non-sintered scaffold.
Area of Science:
- Materials Science
- Renewable Energy
- Photovoltaics
Background:
- Organolead trihalide perovskites are promising materials for solar cell applications.
- High processing temperatures can limit the scalability and application range of perovskite solar cells.
- Incorporating nanoparticles into perovskite layers is an emerging strategy to enhance device performance.
Purpose of the Study:
- To develop low-temperature fabrication methods for organolead trihalide perovskite solar cells.
- To investigate the effect of incorporating aluminum oxide (Al2O3) nanoparticles into perovskite layers.
- To evaluate the photovoltaic performance of devices fabricated with a combined Al2O3-perovskite layer.
Main Methods:
- Co-deposition of a combined Al2O3-perovskite layer at temperatures below 110 °C.
- Fabrication of solar cells using a perovskite precursor containing 5 wt% Al2O3 nanoparticles.
- Utilizing a non-sintered Al2O3 scaffold for device construction.
Main Results:
- Successful fabrication of organolead trihalide perovskite solar cells at low temperatures (< 110 °C).
- Achieved an average power conversion efficiency (PCE) of 7.2%.
- Demonstrated the viability of using a non-sintered Al2O3 scaffold with incorporated Al2O3 nanoparticles.
Conclusions:
- Low-temperature processing is feasible for organolead trihalide perovskite solar cells.
- Incorporation of Al2O3 nanoparticles can enhance device performance without high-temperature sintering.
- These findings offer a pathway for scalable and cost-effective perovskite solar cell manufacturing.
