Journal of Power Sources, Journal Year: 2024, Volume and Issue: 629, P. 236011 - 236011
Published: Dec. 7, 2024
Language: Английский
Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159571 - 159571
Published: Jan. 1, 2025
Language: Английский
Citations
0
Crystals, Journal Year: 2025, Volume and Issue: 15(2), P. 176 - 176
Published: Feb. 13, 2025
The use of organic halide salts to passivate metal perovskite (MHP) surface defects has been studied extensively. Passivating the MHP is critical importance for realizing highly efficient and stable solar cells (PSCs). Here, successful application a multifunctional salt, methyltriphenylphosphonium iodide (MTPPI), used as passivation additive grain boundary molecular sealing layer in terms stabilization, stabilize mixed cation RbCsMAFA-PbIBr. To assess passivating stabilizing effects MTPPI on RbCsMAFA-PbIBr PSCs, maximum power point tracking (MPPT) was applied most realistic closest-to-application condition ageing test. were aged under light source yielding an excitation intensity corresponding one sun with tracking, which interrupted periodically by current–voltage sweeps. This allowed extraction all photovoltaic parameters necessary proper understanding process. can donate iodine anions vacancies compensate negative excess charge interactions. On top this, large bulky (MTPP+) may block both escape volatile components ingress oxygen water vapour. These collective roles have improved efficiency stability compared reference without additives.
Language: Английский
Citations
0
ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown
Published: April 15, 2025
Two-dimensional (2D) perovskites have great application potential in the photovoltaic field, but carriers can only be transmitted in-plane due to limitation of quantum well structure. It is usually necessary induce a vertical orientation devices overcome this limitation. Here we find that carrier 2D by out-of-plane polarization. 4-(Aminomethyl)piperidiniumPbI4 (4-AMPI) low-band-gap perovskite ferroelectric with In work, 4-AMPI was annealed at different temperatures fabricate growing along crystal planes. Under irradiation AM 1.5G, parallel-grown films exhibit photocurrent density comparable vertically grown films, indicating polarization help constraints. Compared nonferroelectric 3-(aminomethyl)piperidiniumPbI4 (3-AMPI), significantly higher, which attributed advantage for generation and transport carriers. This work suggests molecular ferroelectrics are candidates fabrication devices.
Language: Английский
Citations
0
Energies, Journal Year: 2024, Volume and Issue: 17(21), P. 5282 - 5282
Published: Oct. 24, 2024
Perovskite solar cells (PSCs) suffer from a quick efficiency drop after fabrication, partly due to surface defects, and can be further enhanced with the passivation of defects. Herein, is reviewed as method improve both stability PSCs, an emphasis on chemical mechanism passivation. Various molecules are utilized passivants, such halides, Lewis acids bases, amines (some result in low-dimensional perovskite), polymers. Multifunctional promising group they capable passivating multiple defects various functional groups. This review categorizes these addition considering potential limitations each type passivant. Additionally, passivants for Sn-based PSCs discussed since this has poor photovoltaic performance compared their lead-based counterpart severe Lastly, future perspectives usage addressed provide direction upcoming research practical applications.
Language: Английский
Citations
3
Journal of Power Sources, Journal Year: 2024, Volume and Issue: 629, P. 236011 - 236011
Published: Dec. 7, 2024
Language: Английский
Citations
1