Solar Energy, Journal Year: 2024, Volume and Issue: 286, P. 113188 - 113188
Published: Dec. 17, 2024
Language: Английский
Published: Jan. 29, 2025
Language: Английский
Citations
3
Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 26, 2025
Abstract Tin perovskite solar cells (PSCs) have garnered considerable attention as promising alternatives to lead PSCs due their lower toxicity and outstanding optoelectronic properties. However, efficiency stability, particularly in 2D/3D tin PSCs, are usually hindered by high defect densities inefficient carrier transport. In this study, a small‐molecule Lewis base with multiple functional groups‐cyanoacetohydrazide (CAH) is employed mitigate defects enhance charge transport PSCs. It revealed that the carbonyl, amine, cyano groups CAH form strong chemical bonds Sn 2+ ions, resulting synergetic coordination effects. Moreover, interaction between effectively regulates crystallization process of film, high‐quality film enhanced crystallinity, reduced density, modulated phase distribution. As result, optimized achieve remarkable power conversion 15.06%, marking one highest values for Furthermore, devices exhibit retaining 95% initial performance after 2000 h storage nitrogen atmosphere.
Language: Английский
Citations
1
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(48)
Published: Aug. 5, 2024
Abstract Mixed tin‐lead perovskite solar cells can reach band gaps as low 1.2 eV, offering high theoretical efficiency and serving base materials for all‐perovskite tandem cells. However, instability defect densities at the interfaces, particularly buried surface, have limited performance improvements. In this work, we present modification of bottom interface with multifunctional hydroxylamine salts. These salts effectively coordinate different components, having critical influences in regulating crystallization process passivating defects varying nature. The surface reduced traps prevented formation excessive lead iodide, enhancing quality films. modified devices presented fill factors reaching 81 % efficiencies up to 23.8 %. unencapsulated maintained over 95 their initial after 2000 h shelf storage.
Language: Английский
Citations
4
Angewandte Chemie International Edition, Journal Year: 2025, Volume and Issue: unknown
Published: March 5, 2025
Perovskite solar cells (PSCs) based on single crystals hold potential for higher efficiency and stability, while the incomplete interface contact hinders hole carrier extraction device performance. Herein, we report strengthening crystal/substrate by nucleation engineering in situ growth strategy. Through modulating transport layer (HTL) to induce process at substrate surface, residual solution, voids, small-sized are eliminated, thus ensuring intimate physically. Combining with strong interaction between perovskites HTL, balanced electron/hole suppressed nonradiative recombination achieved. As a result, an impressive power conversion (PCE) of 25.8 % is obtained, setting new benchmark single-crystal PSCs. Moreover, thermal-induced peeling-off from substrates mitigated, which improves thermal stability distinctly.
Language: Английский
Citations
0
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 13, 2025
Abstract Currently, there are 17 billion IoT nodes, mostly powered by cables or batteries, leading to high maintenance costs and increased risk of data loss during power outages. Although a self‐sustaining node holds potential tackle this issue, it faces the challenges obtaining stable, uninterrupted energy sources maintaining adequate efficiency. This study introduces fully irradiated, 24‐h flexible (SSN) that is highly integrated with sensors, storage, wireless transmission, supply units, specifically perovskite solar cell module (FPSM). The FPSM enables stable across diverse indoor outdoor irradiance conditions, while SSN employs smart management system optimize utilization distribution. Additionally, transmission achieved low‐power consumption Zigbee module, enabling dependable environmental monitoring extensive 3D collection “indoor‐outdoor‐aerial” environments. Finally, integration feedback control systems allows FPSM‐SSN serve as home hub, seamlessly combining sensing actuation functionalities enhance efficiency functionality.
Language: Английский
Citations
0
ACS Energy Letters, Journal Year: 2025, Volume and Issue: unknown, P. 1357 - 1365
Published: Feb. 24, 2025
Language: Английский
Citations
0
Angewandte Chemie, Journal Year: 2025, Volume and Issue: unknown
Published: March 5, 2025
Abstract Perovskite solar cells (PSCs) based on single crystals hold potential for higher efficiency and stability, while the incomplete interface contact hinders hole carrier extraction device performance. Herein, we report strengthening crystal/substrate by nucleation engineering in situ growth strategy. Through modulating transport layer (HTL) to induce process at substrate surface, residual solution, voids, small‐sized are eliminated, thus ensuring intimate physically. Combining with strong interaction between perovskites HTL, balanced electron/hole suppressed nonradiative recombination achieved. As a result, an impressive power conversion (PCE) of 25.8 % is obtained, setting new benchmark single‐crystal PSCs. Moreover, thermal‐induced peeling‐off from substrates mitigated, which improves thermal stability distinctly.
Language: Английский
Citations
0
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 23, 2024
Abstract Various popular large organic cations have been extensively used as the essential additives in perovskite precursor solution due to their satisfactory passivation effect but may produce low‐n value (n ≤ 2) 2D phases with undesired distribution. Meanwhile, remaining easy oxidation of Sn 2+ and p‐type self‐doping perovskites are also detrimental ultimate photovoltaic properties stability tin (Sn)‐based solar cells (PSCs). Here, 3AMPYSnI 4 crystals (3AMPY = 3‐(aminomethyl)pyridinium)) designed applied adjust crystallization process phase distribution Sn‐based perovskite. Consequently, strong coordination interaction between 3AMPY 3D components introduced nucleation sites by not only decreases increases phase, inhibits self‐p‐doping perovskites, resulting lower trap density non‐radiative recombination loss, faster carrier extraction transfer, higher for 2D‐3D PSCs. As a result, optimized devices deliver an increased power conversion efficiency from initial 10.91% 13.28% retain 96.0% original performance more than 3000 h nitrogen (N 2 ) atmosphere.
Language: Английский
Citations
2
Angewandte Chemie, Journal Year: 2024, Volume and Issue: 136(48)
Published: Aug. 5, 2024
Abstract Mixed tin‐lead perovskite solar cells can reach band gaps as low 1.2 eV, offering high theoretical efficiency and serving base materials for all‐perovskite tandem cells. However, instability defect densities at the interfaces, particularly buried surface, have limited performance improvements. In this work, we present modification of bottom interface with multifunctional hydroxylamine salts. These salts effectively coordinate different components, having critical influences in regulating crystallization process passivating defects varying nature. The surface reduced traps prevented formation excessive lead iodide, enhancing quality films. modified devices presented fill factors reaching 81 % efficiencies up to 23.8 %. unencapsulated maintained over 95 their initial after 2000 h shelf storage.
Language: Английский
Citations
1
Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 157973 - 157973
Published: Nov. 1, 2024
Language: Английский
Citations
1