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Updated: Jan 23, 2026
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Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
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Highly Efficient and Stable Solar Cells Based on Crystalline Oriented 2D/3D Hybrid Perovskite
Tong Zhou1, Hongtao Lai1, Tingting Liu1
1The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.
Advanced Materials (Deerfield Beach, Fla.)
|June 14, 2019
Summary
Stable and efficient 2D/3D hybrid perovskite solar cells were developed using 2-thiophenemethylammonium (ThMA). These ThMA-based perovskite solar cells show enhanced stability and high power conversion efficiency, paving the way for advanced solar technology.
Area of Science:
- Materials Science
- Renewable Energy
- Photovoltaics
Background:
- Perovskite solar cells (PSCs) offer promising photovoltaic performance but often suffer from stability issues.
- Developing stable and efficient PSCs is crucial for their commercial viability.
- 2D/3D hybrid perovskite structures are explored to enhance device performance and longevity.
Purpose of the Study:
- To investigate the use of 2-thiophenemethylammonium (ThMA) as a spacer cation in 2D/3D hybrid perovskite solar cells.
- To improve the efficiency and operational stability of perovskite solar cells.
- To understand the role of ThMA in enhancing crystalline growth, passivating defects, and reducing ion migration.
Main Methods:
- Fabrication of 2D/3D hybrid perovskite solar cells incorporating ThMA as a spacer cation.
- Structural and morphological characterization of the perovskite films.
- Photovoltaic performance testing, including power conversion efficiency (PCE), open-circuit voltage (VOC), and fill factor (FF).
- Long-term stability testing under ambient atmosphere and continuous light soaking conditions.
Main Results:
- The optimized 2D/3D hybrid perovskite solar cells achieved a PCE of 21.49%, with a VOC of 1.16 V and an FF of 81%.
- Encapsulated devices retained approximately 99% of their initial PCE after 1680 hours in ambient conditions, significantly outperforming control devices.
- Enhanced stability under continuous light soaking was observed for the ThMA-based 2D/3D hybrid perovskite devices compared to control 3D perovskite devices.
- ThMA incorporation effectively induced crystalline growth, passivated trap states, and hindered ion motion, leading to improved carrier lifetime and reduced recombination.
Conclusions:
- 2-thiophenemethylammonium (ThMA) is an effective spacer cation for creating highly efficient and stable 2D/3D hybrid perovskite solar cells.
- The 2D/3D hybrid structure utilizing ThMA demonstrates superior photovoltaic properties and intrinsic stability.
- This approach offers a promising pathway for developing next-generation perovskite solar cells with enhanced durability and performance.
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