Regulating Strain and Suppressing Defect States Through Polymer Ionization and Chemical Chelation for Efficient Inverted Flexible Perovskite Solar Cells DOI Open Access

Shuguang Cao,

Tongjun Zheng,

Zhuoneng Bi

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 18, 2024

Flexible perovskite solar cells (FPSCs) have great promise for applications in wearable technology and space photovoltaics. However, the unpredictable crystallization of on flexible substrates results significantly lower efficiency mechanical durability than industry standards. A strategy is investigated employing polymer electrolyte poly(allylamine hydrochloride) (PAH) to regulate passivate defect states films substrates. The weakly acidic precursor allows PAH undergo partial ionization, leading protonation some ─NH

Language: Английский

Transition of Perovskite Solar Technologies to Being Flexible DOI Open Access
Luigi Angelo Castriotta, Md Aslam Uddin, Haoyang Jiao

et al.

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

Published: Jan. 16, 2025

Abstract Perovskite technologies has taken giant steps on its advances in only a decade time, from fundamental science to device engineering. The possibility exploit this technology thin flexible substrate gives an unbeatable power weight ratio compares similar photovoltaic systems, opening new possibilities and integration concepts, going building integrated applied photovoltaics (BIPV, BAPV) internet of things (IoT). In perspective, the recent progress perovskite solar substrates are summarized, focusing challenges that researchers face upon using substrates. A dig into material is necessary understand what kind mechanisms limiting efficiency compare rigid substrates, which physical mechanism limits upscaling substrate. Furthermore, overview stability test modules will be described, suggesting common standard procedure guidelines follow, showing additional issues bending, how prevent degradation providing ad‐hoc encapsulation. Finally, devices market shown, giving outline exploited still missing need stakeholders’ attention.

Language: Английский

Citations

2
Mechanically Resilient and Highly Efficient Flexible Perovskite Solar Cells with Octylammonium Acetate for Surface Adhesion and Stress Relief DOI
Yumeng Xu, Siyu Zhang, Haidong Yuan

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Flexible perovskite solar cells (FPSCs) have advanced significantly because of their excellent power-per-weight performance and affordable manufacturing costs. The unsatisfactory efficiency mechanical stability FPSCs are bottleneck challenges that limit application. Here, we explore the use octylammonium acetate (OAAc) with a long, intrinsic, flexible molecular chain on films for surface adhesion releasing. results showed OAAc high structural flexibility strong interactions can act as release layer in releasing residual tensile stress, confirmed by film device characterizations well finite-element simulation. Moreover, passivation could increase formation energy defects including I vacancy, Pb Pb-I antisite. experimental trap states perovskites were suppressed after modification, which is beneficial to construction high-quality films. With open-circuit voltage 1.196 V, OAAc-treated devices increased from 23.14% 25.47% rigid substrate (23.12% substrate), yielding superior long-term durability. corresponding retains 74% initial value even 8000 bending cycles at radius 5 mm.

Language: Английский

Citations

1
Progress in Flexible Perovskite Solar Cells: Paving the Way for Scalable Manufacturing DOI Creative Commons
Dimitar I. Kutsarov, Ehsan Rezaee, J. D.B. Lambert

et al.

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

Published: Feb. 20, 2025

Abstract The urgency for a sustainable mitigation of the environmental impacts caused by climate change highlights importance renewable energy technologies to fight this challenge. Perovskite solar cells (PSCs) emerge as promising alternative traditional photovoltaic (PV) due their unprecedented increase in efficiency (currently peaking at 26.95%) and long‐term stability proven successful completion industry relevant International Electrotechnical Commission (IEC) testing standards. Flexible PSCs (f‐PSCs) offer significant advantages such lightweight high power‐per‐weight ratio, mechanical flexibility, throughput roll‐to‐roll (R2R) manufacturing. These make f‐PSCs ideal implementation various applications areas, wearable electronics, portable devices, space PV, building‐ or automotive‐integrated PVs, more. Notably, efficiencies over 23% now mark milestone f‐PSCs, demonstrating competitiveness with rigid panels. This review explores breakthroughs focusing on flexible substrates, electrode materials, perovskite inks, encapsulation strategies. It also covers recent advancements studies fabricated scalable deposition methods emphasizes interfacial engineering enhancing durability. concludes summary key findings, remaining challenges, perspectives market uptake f‐PSCs.

Language: Английский

Citations

1
Device Performance of Emerging Photovoltaic Materials (Version 5) DOI Creative Commons
Osbel Almora, Guillermo C. Bazan, Carlos I. Cabrera

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 26, 2024

Abstract This 5th annual “ Emerging PV Report” highlights the latest advancements in performance of emerging photovoltaic (e‐PV) devices across various e‐PV research areas, as documented peer‐reviewed articles published since August 2023. Updated graphs, tables, and analyses are provided, showcasing several key parameters, including power conversion efficiency, open‐circuit voltage, short‐circuit current, fill factor, light utilization stability test energy yield. These parameters presented functions bandgap average visible transmittance for each technology application contextualized using benchmarks such detailed balance efficiency limit.

Language: Английский

Citations

5
Ambient‐Printed Methylammonium‐Free Perovskite Solar Cells Enabled by Multiple Molecular Interactions DOI
Lei Lang, Zicheng Ding,

Yachao Du

et al.

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

Published: Jan. 22, 2025

Abstract The ambient printing of high‐performance and stable perovskite solar cells (PSCs) is crucial for enabling low‐cost energy‐efficient industrial fabrication. However, producing high‐quality films via remains challenging due to direct exposure air, which easily induces additional stacking defects triggers degradation compared fabricated by traditional spin‐coating under inert conditions. Here, a multiple molecular interaction strategy introduced address this challenge incorporating 2‐thiazole formamidine hydrochloride (TC) additive, effectively suppressing defect formation during printing. specific interactions between TC precursor components, i.e., hydrogen bonds coordination interactions, could promote the crystallization α‐phase perovskites reduce cation anion vacancies simultaneously when drying in air. These endows ambient‐printed with large crystalline grains eliminated nanovoids low trap‐densities, improve charge carrier dynamics prevent decomposition hydration thermal/humidity stress long‐term annealing/ambient storage. unencapsulated PSCs show high efficiency 23.72% good stability, realizing 92% 95% retention after 672 h annealing at 85 °C N 2 atmosphere 2088 storage

Language: Английский

Citations

0
Multidentate Chelation Defect Passivation via Hyperbranched Polysiloxane for Efficient and Stable Inverted Perovskite Solar Cells DOI

Guangpeng Feng,

Tong Wang,

Xilai He

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 111084 - 111084

Published: April 1, 2025

Language: Английский

Citations

0
CaF2 Nanoparticle-Induced γ-CsPbI2.81Br0.19 Heterogeneous Crystallization for High-Efficiency Flexible All-Inorganic Perovskite Solar Cells DOI
Huijing Liu,

Zhiyu Zhang,

Huifang Han

et al.

The Journal of Physical Chemistry Letters, Journal Year: 2024, Volume and Issue: 15(42), P. 10514 - 10524

Published: Oct. 14, 2024

All-inorganic CsPbI3 films necessitate higher annealing temperatures for high-quality crystallization. Consequently, the conventional low-temperature solution approach often results in poor crystallization flexible films, significantly degrading optoelectronic performance and stability of perovskite solar cells (f-PSCs). Herein, a heterogeneous CaF2 nanocrystal seed-induced strategy has been successfully utilized to achieve enhanced CsPbI2.81Br0.19 film. Due their good lattice match with material, nanoparticles can decrease critical Gibbs free energy nucleation, thereby accelerating γ-phase at low temperatures. This leads an improved crystalline quality film temperatures, which minimizes defects enhances f-PSCs. The f-PSCs achieved champion power conversion efficiency 15.03% demonstrated mechanical stability, retaining 98.1% initial even after 60 000 bending cycles curvature radius 5 mm.

Language: Английский

Citations

1
Regulating Strain and Suppressing Defect States Through Polymer Ionization and Chemical Chelation for Efficient Inverted Flexible Perovskite Solar Cells DOI Open Access

Shuguang Cao,

Tongjun Zheng,

Zhuoneng Bi

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 18, 2024

Flexible perovskite solar cells (FPSCs) have great promise for applications in wearable technology and space photovoltaics. However, the unpredictable crystallization of on flexible substrates results significantly lower efficiency mechanical durability than industry standards. A strategy is investigated employing polymer electrolyte poly(allylamine hydrochloride) (PAH) to regulate passivate defect states films substrates. The weakly acidic precursor allows PAH undergo partial ionization, leading protonation some ─NH

Language: Английский

Citations

0