Enhanced Performance of Perovskite Solar Cells Through the Application of Pure Natural Centella asiatica Extract Additives DOI Open Access
Lung‐Chien Chen, Q. X. Zhao

Progress in Photovoltaics Research and Applications, Journal Year: 2025, Volume and Issue: unknown

Published: March 6, 2025

ABSTRACT This study initially employs Cs₀.₀₅FA₀.₈₁MA₀.₁₄PbI₂.₈₆Cl₀.₁₄ as the active layer for perovskite solar cells and explores impact of using different concentrations natural Centella asiatica (CICA) extracts mixed with chlorobenzene (CB) anti‐solvent in one‐step method film preparation. is rich antioxidants asiatic acid. It contains many hydroxyl ions, which are capable capturing uncoordinated heavy metal Pb atoms. We found that devices made 15% extract CB achieved highest power conversion efficiency (PCE), increasing from 14.3% to 18.5%. Moreover, maintained 85% their initial after being stored a glove box 25 days.

Language: Английский

Buried Interface Modulation Using Self‐Assembled Monolayer and Ionic Liquid Hybrids for High‐Performance Perovskite and Perovskite/CuInGaSe2 Tandem Photovoltaics DOI Open Access
Zihao Feng, Xinxing Liu, Ting Tian

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Effective modifications for the buried interface between self-assembled monolayers (SAMs) and perovskites are vital development of efficient, stable inverted perovskite solar cells (PSCs) their tandem photovoltaics. Herein, an ionic-liquid-SAM hybrid strategy is developed to synergistically optimize uniformity SAMs crystallization above. Specifically, ionic liquid 1-butyl-3-methyl-1H-imidazol-3-iumbis((trifluoromethyl)sulfonyl)amide (BMIMTFSI) incorporated into SAM solution, enabling reduced surface roughness, improved wettability, a more evenly distributed potential film. Leveraging this optimized substrate, favorable growth high-quality crystals achieved. Furthermore, introduced functional ions readily bond with perovskites, effectively passivating undesirable cation or halide vacancies near interface. Remarkably, high power conversion efficiencies (PCEs) 25.68% 22.53% obtained normal-bandgap (≈1.55 eV) wide-bandgap (WBG) (≈1.66 PSCs along operational stability. Additionally, champion PCE 19.50% achieved semitransparent WBG PSCs, further delivering impressive 28.34% integrated four-terminal photovoltaics when combined CuInGaSe2 cells.

Language: Английский

Citations

2
Enhancing Hole Transport Uniformity for Efficient Inverted Perovskite Solar Cells through Optimizing Buried Interface Contacts and Suppressing Interface Recombination DOI

Xilai He,

Hui Chen, Jiabao Yang

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(52)

Published: Aug. 28, 2024

Abstract [4‐(3,6‐dimethyl‐9H‐carbazol‐9yl)butyl]phosphonic acid (Me‐4PACz) self‐assembly material has been recognized as a highly effective approach for mitigating nickel oxide (NiO x ) surface‐related challenges in inverted perovskite solar cells (IPSCs). However, its uneven film generation and failure to effectively passivate the buried interface defects limit device‘s performance improvement potential. Herein, p‐xylylenediphosphonic (p‐XPA) containing bilateral phosphate groups (−PO 3 H 2 is introduced an layer between NiO /Me‐4PACz layer. P‐XPA can flatten surface of hole transport optimize contact. Meanwhile, p‐XPA achieves better energy level alignment promotes interfacial transport. In addition, −PO chelate with Pb 2+ form hydrogen bond FA + (formamidinium cation), thereby suppressing non‐radiative recombination loss. Consequently, IPSC modification champion power conversion efficiency 25.87 % (certified at 25.45 %) laboratory scale (0.0448 cm ). The encapsulated target device exhibits operational stability. Even after 1100 hours maximum point tracking 50 °C, remains impressive 82.7 initial efficiency. Molecules featuring passivation contact inhibit recombination, providing enhancing stability devices.

Language: Английский

Citations

12
Role of NiO in wide-bandgap perovskite solar cells based on self-assembled monolayers DOI

Afei Zhang,

Mingyu Li, Chong Dong

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 494, P. 153253 - 153253

Published: June 18, 2024

Language: Английский

Citations

11
A Brief Review on Self-Assembled Monolayers in Organic Solar Cells: Progress, Challenges, and Future Prospects DOI

Kyu Cheol Lee,

Seungju Kim,

Jaehyoung Son

et al.

ACS Applied Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Over the past decade, organic solar cells (OSCs) have made noticeable progress in photovoltaic performance thanks to emergence of electron acceptors capable intramolecular charge transfer, namely, nonfullerene small molecules. OSCs continue gain momentum by employing self-assembled monolayers (SAMs) as transport layers, particularly those involving conjugated system their functional groups and/or spacers. This review provides an overview SAMs, covering molecular designs, fabrication methods, and various functions OSCs. Additionally, it highlights currents issues surrounding along with efforts address them future perspectives.

Language: Английский

Citations

1
Efficient Ternary Organic Photovoltaic Films for Fast Exciton Separation to Generate Free Radicals for Wastewater Treatment DOI Creative Commons

Linji Yang,

Ciyuan Huang, Zhou Yang

et al.

Exploration, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 4, 2025

ABSTRACT Given the effectiveness of organic pollutants photodegradation and excellent photovoltaic nature solar cells (OSCs), this work first innovatively integrated cross‐fields OSCs environmental photocatalysis. Using knowledge OSC morphology, an insertion strategy involved adding a suitable quantity guest acceptor (Y6‐O) to PM6 donor polymer BTP‐2F‐ThCl host small molecule system. Y6‐O leads tighter π–π packing, reduced domain size, improved purity, resulting in favorable morphology for charge generation transfer devices power conversion efficiency (PCE) from 17.1% 18.1%. Moreover, terpolymer films were applied wastewater treatment, gaining ions Sb(III) Sb(V) removals 100% 15 min, guaiacol photodegradations 90% 1 h. This significantly prompts development photovoltaics treatment opens views multifunctional material applications.

Language: Английский

Citations

1
N‐Type Self‐Assembled Monolayers (SAMs): The Next Star Materials in the Perovskite Photovoltaic Field DOI Open Access
Xiaoyi Chen,

Ziyao Yue,

H. Yang

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 9, 2025

Self-assembled monolayers (SAMs) play a critical role in modifying the buried interface of perovskite solar cells (PVSCs) by modulating crystallization dynamics perovskites and adjusting energy level alignment between layer electrode. The integration p-type SAMs has driven power conversion efficiency (PCE) inverted p-i-n structured PVSCs to world record 26.7%. However, with traditional n-i-p structures, n-type have not yet achieved comparable breakthroughs. Therefore, unlock full potential SAMs, this review provides comprehensive summary their molecular deposition methods, passivation mechanisms. Recent advances various including fullerene-based, naphthalene imide-based, benzene-based other structures been discussed detail. Finally, future research directions associated challenges are outlined guide efforts toward realizing PVSCs.

Language: Английский

Citations

1
Passivating perovskite surface defects via bidentate chelation for high-performing solar cells DOI
Mengting Han,

Li’e Mo,

Zhiqian Yang

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 497, P. 155672 - 155672

Published: Sept. 10, 2024

Language: Английский

Citations

6
Improving Thermal Stability of Perovskite Solar Cells by Suppressing Ion Migration DOI Creative Commons

Yifeng Shi,

Yifan Zheng,

X. Xiao

et al.

Small Structures, Journal Year: 2024, Volume and Issue: 5(10)

Published: May 16, 2024

Ion migration presents a formidable obstacle to the stability and performance of perovskite solar cells (PSCs), hindering their progress toward commercial feasibility. Herein, degradation mechanism PSCs caused by iodide ion migration, which leads abnormal changes in photoluminescence transients at buried interface films, is investigated. In light this problem, novel strategy proposed mitigate introducing poly(2‐vinylnaphthalene) into poly[bis(4‐phenyl)(2,4,6‐trimethylphenyl)amine] as hole transport layer with improved ion‐blocking capability. Consequently, effectively reduces defect concentration, suppresses modulates energy level alignment, leading an impressive efficiency exceeding 23% for doctor‐bladed FAPbI 3 PSCs. Moreover, corresponding unencapsulated devices demonstrate remarkable durability, maintaining over 80% initial value after undergoing rigorous stress tests accordance International Electrotechnical Commission 61215 standard temperature, humidity, illumination. These include 1000 h thermal cycling long‐term operational test lasting 600 under maximum power point tracking.

Language: Английский

Citations

4
Collaboration of SnO2:PAN NWs and BABr enable high-performance flexible perovskite solar cells DOI
Hongyan Lv,

Qin jun Sun,

Jian Zhao

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153945 - 153945

Published: July 14, 2024

Language: Английский

Citations

4
Tailoring Wetting Properties of Organic Hole‐Transport Interlayers for Slot‐Die‐Coated Perovskite Solar Modules DOI
Thai Son Le, Irina A. Chuyko, Lev Luchnikov

et al.

Solar RRL, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 29, 2024

The strategy of incorporating self‐assembled monolayers (SAMs) with anchoring groups is an effective and promising method for interface engineering in perovskite solar cells metal oxide charge‐transporting layers. However, coating SAM layers upscaled modules (PSMs) using slot‐die challenging due to the low viscosity wettability solutions. In this study, a triphenylamine‐based polymer poly([{5‐[4‐(diphenylamino)phenyl]‐2‐thienyl}(4‐fluorophenyl)methylene]malononitrile) (pTPA)–TDP, blended based on 5‐[4‐[4‐(diphenylamino)phenyl]thiophene‐2‐carboxylic acid, integrated address these challenges. And, p– i –n‐oriented PSMs 50 × mm 2 substrates (12 sub‐cells) are fabricated NiO hole‐transport layer organic interlayers surface modification. Wetting angle mapping shows that ununiform regions slot‐die‐coated has extreme hydrophobicity, causing absorber thickness fluctuations macro‐defects at buried interfaces. interlayer NiO/perovskite junction homogenizes mitigates lattice strain, enabling use properties large surfaces. This improved energy level alignment, enhancing power conversion efficiency from 13.98% 15.83% stability (ISOS‐L‐2, T 80 period) 500 1630 h. results, complex effects slot‐die‐coating technology large‐scale photovoltaics highlighted.

Language: Английский

Citations

4