Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(48), P. 33595 - 33605
Published: Jan. 1, 2024
A 19.12% efficiency in MPSCs was achieved by manipulating crystallization and managing defects via introducing dicyandiamide.
Language: Английский
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(32)
Published: May 16, 2024
Abstract The passivation of the defects derived from rapid‐crystallization with electron‐donating molecules is always a prerequisite to obtain desirable perovskite films for efficient and stable solar cells, thus, in‐depth understanding on correlations between molecular structure capacity great importance screening passivators. Here, we introduce double‐ended amide molecule into precursor solution modulate crystallization process passivate defects. By regulating intermediate bridging skeletons alkyl, alkenyl benzene groups, results show strength highly depends spin‐state electronic that serves as an intrinsic descriptor determine intramolecular charge distribution by controlling orbital electron transfer donor segment acceptor segment. Upon careful optimization, benzene‐bridged demonstrates superior efficacy improving film quality. As physical proof‐of‐concept, carbon‐based, all‐inorganic CsPbI 2 Br cell delivers significantly increased efficiency 15.51 % remarkably improved stability. Based same principle, champion 24.20 further obtained inverted (Cs 0.05 MA FA 0.9 )Pb(I 0.93 0.07 ) 3 cell. These findings provide new fundamental insights influence modulation effective cells.
Language: Английский
Citations
10
Advanced Science, Journal Year: 2024, Volume and Issue: 11(33)
Published: July 3, 2024
The buried interface between the electron transport layer (ETL) and perovskite plays a crucial role in enhancing power conversion efficiency (PCE) stability of n-i-p type solar cells (PSCs). In this study, chemical bath deposited (CBD) titanium oxide (TiO
Language: Английский
Citations
8
Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(16), P. 6003 - 6012
Published: Jan. 1, 2024
The trifluoroacetate pseudohalide anion, with dual functionalities, is introduced at the buried interface to promote orderly growth. This results in a power conversion efficiency of 25.60% and long-term stability under light exposure.
Language: Английский
Citations
8
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(44)
Published: Aug. 6, 2024
Abstract This work proposes a methodology to increase the open‐circuit voltage of perovskite solar cells via modulating buried interface using π‐conjugated molecules, featuring push‐pull electronic structure configuration. In planar tin oxide nanocrystal as an electron transport layer, 2‐methyl‐1‐aminobenzene derivatives with 4‐(Heptafluoropropan)‐2‐methylaniline notable not only reduce interfacial energy barrier but also passivate defects at interface. modulation enhances open circuit Cs 0.05 (FA 0.85 MA 0.15 ) 0.95 Pb(I Br 3 (bandgap ≈1.60 eV) cell high value 1.241 V and thus power conversion efficiency 24.16% under standard testing condition. An even higher 25.11% can be achieved when employing in FA 0.9 PbI ≈1.54 cell. The (1.241 V) is among highest triple‐cation which reaches 95% Shockley–Queisser limit. A solar‐to‐CO 11.76% fabricated minimodule driven carbon dioxide electrolyzer. demonstrates potential utilizing for CO 2 clean green environment.
Language: Английский
Citations
7
ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: 17(9), P. 14129 - 14137
Published: Feb. 24, 2025
The quality of organic-inorganic hybrid perovskite films directly affects the application prospect solar cells (PSCs), where organic and inorganic cations are core elements that affect perovskite. additive strategy has been widely used to passivate cation-related defects in films. Here, precursor solution introduced 5-bromopyridine-3-sulfonic acid (BOH) with a potential all-cation passivation function. experimental results verified N atom on pyridine BOH molecular structure passivated by binding undercoordination Pb2+, sulfonic group inhibited nonradiative recombination through their interactions FA+ improving grain size crystallinity, enhancing film quality. Thanks all-cationic targeted anchoring effect BOH, efficiency BOH-treated device upgraded from 22.32 24.33%. Importantly, PSCs showed excellent stability after exposure 25% humidity for 1200 h at room temperature.
Language: Английский
Citations
0
Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(11)
Published: March 1, 2025
Titanium dioxide (TiO2) is widely employed as an electron transport layer in perovskite solar cells due to its low manufacturing cost and favorable energy-level alignment. However, the suboptimal quality of TiO2 films presence multiple defects at TiO2/perovskite interface, such uncoordinated Pb2+ oxygen vacancy defects, significantly compromise both device efficiency stability. This study proposes a synergistic passivation strategy through introduction acetylamino-functionalized interlayer between TiO2. The acetylamino groups within establish strong interactions with perovskite, thereby enhancing interface Acetylamino can also interact by bonding Ti4+ reducing potential layer. enhanced hydrophobicity film, induced layer, further promotes crystallization minimizing surface tension effects during film growth. Therefore, increased from 16.49% 19.26%. lifetime unencapsulated was evaluated under environmental conditions (relative humidity: 30% ± 5%, temperature: 25 5 °C). unmodified decreased 75.3% after 800 h, whereas modified maintained 90.1% initial efficiency, demonstrating higher
Language: Английский
Citations
0
Angewandte Chemie, Journal Year: 2024, Volume and Issue: 136(32)
Published: May 16, 2024
Abstract The passivation of the defects derived from rapid‐crystallization with electron‐donating molecules is always a prerequisite to obtain desirable perovskite films for efficient and stable solar cells, thus, in‐depth understanding on correlations between molecular structure capacity great importance screening passivators. Here, we introduce double‐ended amide molecule into precursor solution modulate crystallization process passivate defects. By regulating intermediate bridging skeletons alkyl, alkenyl benzene groups, results show strength highly depends spin‐state electronic that serves as an intrinsic descriptor determine intramolecular charge distribution by controlling orbital electron transfer donor segment acceptor segment. Upon careful optimization, benzene‐bridged demonstrates superior efficacy improving film quality. As physical proof‐of‐concept, carbon‐based, all‐inorganic CsPbI 2 Br cell delivers significantly increased efficiency 15.51 % remarkably improved stability. Based same principle, champion 24.20 further obtained inverted (Cs 0.05 MA FA 0.9 )Pb(I 0.93 0.07 ) 3 cell. These findings provide new fundamental insights influence modulation effective cells.
Language: Английский
Citations
3
Cell Reports Physical Science, Journal Year: 2024, Volume and Issue: 5(6), P. 102030 - 102030
Published: June 1, 2024
Surface passivation using organic molecules with appropriate charge distribution and geometric structure is crucial for achieving high-performance perovskite solar cells. Here, diphenylsulfone (DPS) 4,4′-dimethyldiphenylsulfone (DMPS) a conjugated are introduced at the hole transport layer interface to investigate impact of on interaction between surface. The presence methyl group in DMPS D-π-A optimizes enhances effect, resulting an improved energy level alignment facilitating transport. cells treatment achieve increase power conversion efficiency 23.27% high stability, maintaining 92.5% initial 30% relative humidity 1,000 h. This surface strategy offers promising avenue enhancing photovoltaic performance environmental stability cells, paving way future advancements this domain.
Language: Английский
Citations
3
Materials Science in Semiconductor Processing, Journal Year: 2024, Volume and Issue: 173, P. 108114 - 108114
Published: Jan. 16, 2024
Language: Английский
Citations
2
Solar RRL, Journal Year: 2024, Volume and Issue: 8(20)
Published: April 20, 2024
Element doping and interface modification strategy are effective methods to regulate the electrical properties of SnO 2 electron transport material, /perovskite (PVK) interface, PVK crystal growth. Herein, rubidium fluoride (RbF) is introduced into colloidal dispersion, then an ultra‐thin layer 4‐carboxy‐3‐fluorobenzoboric acid (FBCA) applied surface. This synergistic can improve conductivity layer, increase chemical connection buried crystallization grain growth PVK, thus promote performance stability devices. The results show that solar cells (PSCs) with synergistic‐modified material (M‐SnO ) obtain optimum power conversion efficiency 21.92% unencapsulated PSCs sustain 91% 87% original value, which stored in a nitrogen atmosphere ambient (25 ± 5 °C, 30–50% relative humidity) more than 1000 h, respectively.
Language: Английский
Citations
2