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n-Type SAM Forming Agent Enabling Efficient Perovskite Solar Cell: PANDI
Advantages
- Enables the highest level of conversion efficiency for perovskite solar cells (n-i-p type device) using n-type SAMs (electron selective self-assembled monolayers)
- Usable as alternatives of electron transport layers (ETLs) such as TiO2 and SnO2
- Enables uniform covering on metal oxide surfaces
- Enables device fabrication by low temperature process, allowing use of flexible plastic substrates
- Enables simultaneously reducing optical reflectance and interfacial energetic losses
Perovskite solar cell performances using n-type SAM forming agents (SAM = self-assembled monolayer)
Solution coating method of PANDI
- Dissolve PANDI [P3307] in chlorobenzene (0.5-1.0 mg/mL).
- Spin-coat the solution onto ITO glass (5000 rpm, 30 seconds).
- Anneal the substrate at 100˚C for 10 minutes.
- Wash the formed SAM layer with chlorobenzene.
The PANDI is covered by a patent pending (US Patent Application No. 18/416,458) for which Kaunas University of Technology (KTU), Lithuania, and King Abdullah University of Science and Technology (KAUST), Saudi Arabia, are co-applicants. TCI has been granted the right to manufacture and sell this material.
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References
- 1) Nonfullerene Self-Assembled Monolayers As Electron-Selective Contacts for n-i-p Perovskite Solar Cells
- 2) Naphthalene-imide Self-assembled Monolayers as a Surface Modification of ITO for Improved Thermal Stability of Perovskite Solar Cells
- 3) A generic interface to reduce the efficiency-stability-cost gap of perovskite solar cells
- 4) Self-Organized Fullerene Interfacial Layer for Efficient and Low-Temperature Processed Planar Perovskite Solar Cells with High UV-Light Stability
