Journal of Materials Science Materials in Electronics, Journal Year: 2024, Volume and Issue: 35(26)
Published: Sept. 1, 2024
Language: Английский
The Journal of Physical Chemistry Letters, Journal Year: 2024, Volume and Issue: unknown, P. 10001 - 10008
Published: Sept. 24, 2024
Space-charge-limited current (SCLC) measurements play a crucial role in the electrical characterization of semiconductors, particularly for metal halide perovskites. Accurate reporting and analysis SCLC are essential gaining meaningful insights into charge transport defect density these systems. Unfortunately, performing on perovskites is complicated by their mixed electronic-ionic conductivity. This complexity led to data often being incorrectly analyzed using simplified models unsuitable materials reported without information about how were performed. In light recently published data, common challenges perovskite addressed, solutions discussed this paper. The applicability often-used analytical models, overlooked issues related ionic-electronic conductivity perovskites, creating single-carrier devices investigated drift-diffusion simulations. Finally, guidelines more accurate improved provided.
Language: Английский
Citations
11
Nano Research, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 3, 2024
Language: Английский
Citations
6
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(47), P. 64424 - 64446
Published: Nov. 16, 2024
Due to the advantages of low interface resistance, high work function, and stability, PACz family materials have developed rapidly in p-i-n structure perovskite solar cells (PSCs) recent years. Numerous studies shown that PSCs prepared on basis or their derivatives as hole transport layers (HTLs) generally exhibit superior performance compared organic HTL PTAA inorganic NiO
Language: Английский
Citations
5
Small, Journal Year: 2025, Volume and Issue: 21(11)
Published: Feb. 14, 2025
Abstract Obtaining efficient perovskite solar modules (PSMs) with enhanced UV stability is essential for their practical applications, yet remains a significant challenge. In this work, highly organic–inorganic copper halide downshifting film that significantly enhances the of PSMs demonstrated by converting high‐energy harmful photons into beneficial visible light contribute to photovoltaic performance. The tetrapropylammonium (TPA) cation selected as main framework synthesize series halides, denoted Br x I y . A near‐unity photoluminescence quantum yield (PLQY) 99.51% can be achieved precisely controlling Br/I ratio 2:4, 2 4 , which one highest values reported date. dual self‐trapped excitons (STEs) luminescence mechanism systematically investigated both temperature‐dependent and pressure‐dependent experiments. This dual‐STEs enables efficiently absorb re‐emit photons, thereby mitigating photodegradation induced light. Finally, effective layer. an optimal efficiency 22.24%, maintaining over 90% initial after exposure total dose 66.07 kWh m −2
Language: Английский
Citations
0
Nano Materials Science, Journal Year: 2025, Volume and Issue: unknown
Published: March 1, 2025
Language: Английский
Citations
0
Solar RRL, Journal Year: 2025, Volume and Issue: unknown
Published: March 5, 2025
The typical anisotropic crystal orientation in Ruddlesden–Popper perovskites (RPPs) is not conducive to carrier transport, resulting a reduced power conversion efficiency (PCE) compared three‐dimensional perovskites. Here, we present novel method for manipulating the by introducing self‐assembled molecular layer, MeO‐2PACz ([2‐(3,6‐dimethoxy‐9H‐carbazol‐9‐yl)ethyl] phosphonic acid), as an interlayer between PTAA (poly[bis(4‐phenyl)(2,4, 6‐trimethylphenyl) amine]) and perovskite. phosphate group of bonds with Pb 2+ RPP, promoting vertical formation perovskite facilitating efficient charge transport within RPP materials. Additionally, grain size increased, boundary defects are passivated, which contributes suppressed nonradiative recombination carriers. incorporation significantly improves PCE optimized device 17.80%, without MeO‐2PACz, has approximately 15.68%. This presents highest MA‐based RP solar cell (PSC) utilizing 4FPEA (4‐fluoro‐phenethylammonium) spacer cation. Furthermore, unencapsulated devices demonstrate superior thermal stability. proposed optimization offers new insights into manipulation growth orientation.
Language: Английский
Citations
0
Frontiers in Chemistry, Journal Year: 2024, Volume and Issue: 12
Published: Sept. 2, 2024
High-performance wide-bandgap (WBG) perovskite solar cells are used as top in perovskite/silicon or perovskite/perovskite tandem cells, which possess the potential to overcome Shockley-Queisser limitation of single-junction (PSCs). However, WBG perovskites still suffer from severe nonradiative recombination and large open-circuit voltage (Voc) losses, restrict improvement PSC performance. Herein, we introduce 3,3′-diethyl-oxacarbo-cyanine iodide (DiOC 2 (3)) multifunctional groups (C=N, C=C, C-O-C, C-N) into precursor solutions simultaneously passivate deep level defects reduce centers. The DiOC (3) coordinate with free Pb 2+ at symmetric sites, passivating vacancy defects, effectively suppressing recombination, maintaining considerable stability. results reveal that power conversion efficiency (PCE) 1.68 eV cell an inverted structure increases 18.51% 21.50%, Voc loss is only 0.487 V. unpackaged device maintains 95% its initial PCE after 500 h, N environment 25°C.
Language: Английский
Citations
3
Journal of Materials Science Materials in Electronics, Journal Year: 2024, Volume and Issue: 35(26)
Published: Sept. 1, 2024
Language: Английский
Citations
2