High Stability Perovskite Solar Cell: Progress and Prospects
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".
Deadline for manuscript submissions: 20 November 2024 | Viewed by 92
Special Issue Editors
Interests: perovskite solar cells; silicon solar cells, thin films; semiconductors, defects engineering
Interests: ageing of PV (including perovskite) in real outdoor conditions; outdoor PK performance monitoring PV; performance monitoring; characterisation and modelling under real outdoor conditions
Special Issue Information
Dear Colleagues,
Commendable progress has been made as far as the solar-to-electricity conversion efficiency of perovskite solar cells (PSCs) is concerned. In comparison to conventional silicon solar cells, PSCs are lightweight, flexible, inexpensive to produce, and easy to fabricate. Power conversion efficiencies up to 26.1% for n-i-p, 25.4% for p-i-n single junction, and 33.9% for perovskite/Si tandem have been achieved. However, the efficiency cannot be retained for long as a result of the degradation of the photoactive perovskite layer or other components of the device. A PSC with a PCE of 11.2% has been reported to remain stable for up to 10,000 hours [1], which is very low compared to silicon-based solar cells, hindering their commercialization. Various factors have been identified to contribute to this degradation, which include oxidation, hydration, phase segregation, ion migration, charge trapping, and exposure to UV light, high temperatures, and mechanical stress. The degradation of perovskite is a desorption process that initiates at the defect sites. Therefore, efforts to suppress degradation in PSCs have focused on techniques aimed at passivating defects in the photoactive layer through nucleation and crystallization control, together with proper design of charge transport layers, interface engineering, and dimensional tailoring. They include, but are not limited to, compositional tuning, the use of additives and antisolvents, as well as proper control of fabrication conditions.
Prof. Esidor Ntsoenzok
Prof. Dr. Anne Migan-Dubois
Dr. Hicham Labrim
Guest Editors
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Keywords
- perovskite solar cell
- stability
- interface engineering
- machine learning
- defects
- efficiency
- additives engineering
- charge transport materials
- fabrication process
- 2D/3D perovskites
