Supramolecular host-guest complexation creates a “lead cage” for efficient and eco-friendly perovskite solar cells DOI
Qixin Zhuang, Ke Wang, Jing Li

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: unknown, P. 110547 - 110547

Published: Dec. 1, 2024

Language: Английский

A Multifunctional Dye Molecule as the Interfacial Layer for Perovskite Solar Cells DOI
Jianlin Chen, Xianfu Zhang, Xuepeng Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(17), P. 22079 - 22088

Published: April 19, 2024

In perovskite solar cells (PSCs), defects in the interface and mismatched energy levels can damage device performance. Improving quality is an effective way to achieve efficient stable PSCs. this work, a multifunctional dye molecule, named ThPCyAc, was designed synthesized be introduced perovskite/HTM interface. On one hand, various functional groups on acceptor unit act as Lewis base reduce defect density suppress nonradiative combinations. other stepwise energy-level alignment caused by ThPCyAc decreases accumulation of carriers for facilitating charge extraction transmission. Therefore, based devices exhibit elevated open-circuit voltage fill factor, resulting best power conversion efficiency (PCE) 23.16%, outperforming control sample lacking layer (PCE = 21.49%). Excitingly, when attempting apply it self-assembled inverted devices, still exhibits attractive behavior. It worth noting that these results indicate molecules have great potential developing materials obtain higher-performance

Language: Английский

Citations

20
Crown Ethers with Different Cavity Diameters Inhibit Ion Migration and Passivate Defects toward Efficient and Stable Lead Halide Perovskite Solar Cells DOI

Jianxin Yu,

Gang Xie,

Sisi Zheng

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(33), P. 22533 - 22547

Published: Aug. 8, 2024

Organic–inorganic hybrid metal halide perovskite solar cells have been considered as one of the most promising next-generation photovoltaic technologies. Nevertheless, defects and Li+ ionic migration will seriously affect power conversion efficiency stability formal device. Herein, we designed two crown ether derivatives (PC12 PC15) with different cavity diameters, which selectively bind to cations. It is found that PC15 in precursor solution can actively regulate nucleation crystallization processes passivate uncoordinated Pb2+ ions, while PC12 at interface between layer hole-transporting effectively inhibit ions reduce nonradiative recombination losses. Therefore, act "lubricant" defect passivators, well inhibitors ion migration, when they are synergistically applied surface bulk layer. Consequently, optimized device achieved a champion 24.8% significantly improved humidity, thermal, light stability.

Language: Английский

Citations

9
A review on 4,4′-Dimethoxydiphenylamines bearing carbazoles as hole transporting materials for highly efficient perovskite solar cell DOI

Rachel Chetri,

Deepak Devadiga,

T.N. Ahipa

et al.

Solar Energy, Journal Year: 2024, Volume and Issue: 278, P. 112791 - 112791

Published: July 24, 2024

Language: Английский

Citations

5
Regulation of Lead Iodide Crystallization and Distribution for Efficient Perovskite Solar Cells DOI

Zhuowei Du,

Zhu Ma,

Tangjie Yu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(37), P. 49584 - 49593

Published: Sept. 4, 2024

At present, the power conversion efficiency (PCE) of perovskite solar cells (PSCs) has reached 26.1%. Polycrystalline films prepared by sequential deposition are often accompanied excess PbI

Language: Английский

Citations

2
Lewis base multisite ligand engineering in efficient and stable perovskite solar cells DOI

Danqing Ma,

Dongmei He,

Qing Zhu

et al.

Journal of Energy Chemistry, Journal Year: 2024, Volume and Issue: 99, P. 277 - 291

Published: Aug. 7, 2024

Language: Английский

Citations

1
Photophysical Properties and Photovoltaic Performance of Sensitizers with a Bipyrimidine Acceptor DOI Creative Commons

Shiling Liu,

Kun Gong, Wei Li

et al.

Transactions of Tianjin University, Journal Year: 2024, Volume and Issue: 30(5), P. 406 - 418

Published: July 25, 2024

Abstract Molecular engineering is a crucial strategy for improving the photovoltaic performance of dye-sensitized solar cells (DSSCs). Despite common use donor–π bridge–acceptor architecture in designing sensitizers, underlying structure–performance relationship remains not fully understood. In this study, we synthesized and characterized three sensitizers: MOTP-Pyc , MOS 2 P-Pyc MOTS all featuring bipyrimidine acceptor. Absorption spectra, cyclic voltammetry, transient photoluminescence spectra reveal photo-induced electron transfer (PET) process excited sensitizers. Electron spin resonance spectroscopy confirmed presence charge-separated states. The varying donor π-bridge structures among sensitizers led to differences their conjugation effect, influencing light absorption abilities PET processes ultimately impacting performance. Among demonstrated DSSC efficiency 3.04%. Introducing an additional thienothiophene block into improved 4.47% . Conversely, replacing phenyl group with reduced 2.14% Given proton-accepting ability module, treated TiO photoanodes hydroiodic acid (HI), significantly broadening range. This treatment greatly enhanced short-circuit current density DSSCs owing electron-withdrawing Consequently, HI-treated -based achieved highest power conversion 7.12%, comparable that N719 dye at 7.09%. work reveals positive role design organic applications.

Language: Английский

Citations

0
Supramolecular host-guest complexation creates a “lead cage” for efficient and eco-friendly perovskite solar cells DOI
Qixin Zhuang, Ke Wang, Jing Li

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: unknown, P. 110547 - 110547

Published: Dec. 1, 2024

Language: Английский

Citations

0