Related Experiment Video
Updated: Jun 19, 2025
05:15
Flash Infrared Annealing for Perovskite Solar Cell Processing
Published on: February 3, 2021
7.8K
CO2 Laser Crystallization in Ambient for Highly Efficient FAPbI3 Perovskite Solar Cells
Jianpeng Yi1,2, Tik-Lun Leung1,2, Justin Digweed3
1School of Physics, The University of Sydney, Sydney, NSW, 2006, Australia.
Small (Weinheim an Der Bergstrasse, Germany)
|July 24, 2024
Summary
A novel 10.6 µm carbon dioxide laser process was developed for perovskite solar cell crystallization. This method achieved a record 21.8% power conversion efficiency for laser-annealed cells without additives.
Area of Science:
- Materials Science
- Renewable Energy
- Photovoltaics
Background:
- Metal halide perovskite solar cells have seen rapid advancements since 2009.
- Fabrication versatility allows various heat treatments for perovskite crystallization.
Purpose of the Study:
- To introduce a novel 10.6 µm carbon dioxide laser process for perovskite film crystallization.
- To demonstrate formamidinium lead triiodide solar cells fabricated using laser annealing under ambient conditions for the first time.
Main Methods:
- Development of a 10.6 µm carbon dioxide laser process for perovskite film crystallization.
- Fabrication of formamidinium lead triiodide solar cells using laser annealing.
Main Results:
- Successful crystallization of perovskite films using the developed laser process.
- Demonstration of the first formamidinium lead triiodide solar cells fabricated by laser annealing under ambient conditions.
- Achieved a champion cell power conversion efficiency of 21.8%, the highest reported for laser-annealed perovskite cells.
Conclusions:
- The 10.6 µm carbon dioxide laser process is a viable and effective method for perovskite solar cell fabrication.
- Laser annealing offers a promising route for high-efficiency perovskite solar cells without requiring additives, passivation, or post-treatment.
