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Nanostructuring Mixed-Dimensional Perovskites: A Route Toward Tunable, Efficient Photovoltaics
Teck Ming Koh1, Vignesh Shanmugam2, Johannes Schlipf3
1Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore.
Advanced Materials (Deerfield Beach, Fla.)
|March 19, 2016
Summary
Two-dimensional (2D) perovskites offer moisture resistance but limit charge transport. A nanostructured mixed-dimensionality approach enhances charge transport, achieving over 9% power conversion efficiency in solar cells.
Area of Science:
- Materials Science
- Renewable Energy
- Nanotechnology
Background:
- Two-dimensional (2D) perovskites are explored for improved moisture resistance due to their natural barrier properties from larger organic cations.
- However, the anisotropic charge transport in 2D perovskites restricts power conversion efficiency (PCE) in solar cells.
Purpose of the Study:
- To address the charge transport limitations in 2D perovskites.
- To enhance the power conversion efficiency of perovskite solar cells using a novel approach.
Main Methods:
- Development of a nanostructured mixed-dimensionality perovskite architecture.
- Fabrication and characterization of solar cells utilizing this new material structure.
Main Results:
- Successfully overcame the charge transport limitations inherent in traditional 2D perovskites.
- Achieved power conversion efficiencies exceeding 9%.
Conclusions:
- The nanostructured mixed-dimensionality strategy is effective in enhancing charge transport in perovskites.
- This approach offers a promising pathway for developing efficient and stable perovskite solar cells.
