High-Stability and Efficient Perovskite Solar Cells
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".
Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 783
Special Issue Editor
Special Issue Information
Dear Colleagues,
The popularly applied perovskite films are polycrystalline; therefore, trap states at the grain boundaries are still present, becoming one of the significant obstacles that hamper further improvement. These shallow defects at the grain boundary can scatter the carriers during their diffusion. Simultaneously, heterogeneous contact with the corresponding buffer layers (hole transport layer and electron transport layer) can lead to distortion of the interfacial crystal structure owing to the large lattice mismatch, which always produces deep trap states and decreases the output voltage severely. Therefore, in order to improve the performance and stability of devices, appropriate strategies and compounds need to be applied to overcome these defects, including grain boundary passivation compounds, upper and lower interface passivation compounds for perovskite layers, low-doped or no-doped hole transport materials, polymer hole transport layer materials, low photocatalytic activity electron transport layer materials, and so on.
Dr. Yi Zhang
Guest Editor
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Keywords
- perovskite solar cells
- high efficiency
- high stability
- passivation material
- hole transport material
- electron transport material
