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Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
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Roadmap on halide perovskite and related devices
Dong-Nyuk Jeong1, June-Mo Yang1, Nam-Gyu Park1
1School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea.
Nanotechnology
|November 22, 2019
Summary
Perovskite solar cells (PSCs) show improved efficiency and stability. Lead halide perovskites also show promise for X-ray imaging and memristors, though non-lead PSCs are not yet commercialized.
Area of Science:
- Materials Science
- Energy Science
- Device Physics
Background:
- Solid-state perovskite solar cells (PSCs) have advanced significantly since 2012, with power conversion efficiencies (PCE) exceeding 23% and stability over 10,000 hours.
- Lead halide perovskites exhibit promising properties beyond photovoltaics, including applications in X-ray detectors and resistive switching memory.
Purpose of the Study:
- This review investigates the progress of lead halide perovskites in photovoltaics, X-ray imaging, and memristors.
- It compares lead-based and non-lead-based PSCs, assessing their commercial viability and suitability for different applications.
Main Methods:
- Literature review and analysis of recent advancements in perovskite materials.
- Comparative study of performance metrics for perovskite applications in solar cells, X-ray imaging, and memristors.
Main Results:
- Lead-based PSCs are suitable for terrestrial and space photovoltaics, while non-lead-based PSCs require further development for commercialization.
- Lead halide perovskites demonstrate high sensitivity for X-ray imaging, even at low dose rates.
- Perovskites show potential for high-density memristors due to high on/off ratios and low energy consumption.
Conclusions:
- Lead halide perovskites are versatile materials with significant potential in solar energy, medical imaging, and electronic memory.
- Further research into non-lead-based PSCs is needed for commercialization, but lead-based PSCs offer immediate applications.
