Research Progress of Colloidal Chemistry and Rheological Dynamics for Printable Perovskite Photovoltaics DOI Open Access

Chenxiang Gong,

Cong Wang,

Baojin Fan

et al.

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

Published: Dec. 31, 2024

Abstract The efficiency of solar cells based on organic–inorganic hybrid perovskite materials has already met the standards for commercial applications. However, there remains an gap ≈30% between small‐area devices and industrial‐scale devices. Large‐area devices, in particular, tend to exhibit lower optoelectronics reduced environmental stability. ink fluid behavior significantly influences crystal process large‐area films during printing fabrication, which cannot be disregarded. As manufacturing area total solvent volatilization increase, impact inhomogeneous migration by colloidal particles gradually intensifies. This work focuses elucidating rheological properties crystalline quality device optoelectronic performance deposition. It explores throughout process, effects additives motion particles, how ink's change when modifying agents interact with particles. Additionally, functional aspects controlling film formation optimizing photovoltaic (PSCs) are thoroughly discussed. Ultimately, preparation improvement precursor solution current technical barriers commercialization summarized prospected.

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

3

A Wenzel Interfaces Design for Homogeneous Solute Distribution Obtains Efficient and Stable Perovskite Solar Cells DOI Open Access
Cong Wang,

Chenxiang Gong,

Wei Ai

et al.

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

Published: Jan. 10, 2025

Abstract The coffee‐ring effect, caused by uneven deposition of colloidal particles in perovskite precursor solutions, leads to poor uniformity films prepared through large‐area printing. In this work, the surface SnO 2 is roughened construct a Wenzel model, successfully achieving super‐hydrophilic interface. This modification significantly accelerates spreading solution, reducing response delay time during printing process. Additionally, micro‐spherical depression structure on effectively inhibits migration toward edges liquid film, trapping at buried interfaces and improving film uniformity. Due synergistic effect super‐hydrophilicity micro‐rough , leading substantial improvement quality crystals. Therefore, efficiency flexible devices (0.101 cm ) reached 25.42% (certified 25.12%). Moreover, rigid large‐scale solar modules (PSMs) based meniscus‐coating manufacture 21.34% 16.99% (100 ), respectively, demonstrated superior environmental stability maintaining an initial 91% after being stored atmospheric conditions for 2000 h, offering practical guidance fabricating high‐performance stable cells (PSCs).

Language: Английский

Citations

2

Tailored Colloidal Shapes in Precursor Solutions for Efficient Blade‐Coated Perovskite Solar Modules DOI Creative Commons
Yongrui Yang,

Jingjing Wu,

Kun Zhang

et al.

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

Published: Jan. 21, 2025

Abstract Metal halide perovskite solar cells (PSCs) have emerged as one of the most promising candidates for next‐generation photovoltaic technologies. However, films deposited by blade‐coating usually exhibit inferior film morphology compared to those fabricated spin‐coating, which hinders power conversion efficiency (PCE) and stability scalable modules (PSMs). Herein, ellipsoidal colloids are tailored in precursor solution incorporating polymer additives. Compared unregulated spherical colloids, demonstrate more oriented packing during process, is due anisotropic driven force from fluidic flow meniscus. As a result improved morphology, regulated PSCs PSMs achieve superior PCE 24.31% 21.67% (21.37% certified), respectively, aperture areas 0.09 13.94 cm 2 , 89% initial after 600 h continuous operation.

Language: Английский

Citations

2

Dynamic Reconstruction of Fluid Interface Manipulated by Fluid Balancing Agent for Scalable Efficient Perovskite Solar Cells DOI Open Access

Kai Sun,

Zhen Wang,

Na Li

et al.

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

Published: Jan. 15, 2025

Laboratory-scale spin-coating techniques are widely employed for fabricating small-size, high-efficiency perovskite solar cells. However, achieving large-area, high-uniformity films and thus cell devices remain challenging due to the complex fluid dynamics drying behaviors of precursor solutions during large-area fabrication processes. In this work, a high-quality, pinhole-free, FAPbI3 film is successfully obtained via scalable blade-coating technology, assisted by novel bidirectional Marangoni convection strategy. By incorporating methanol (MeOH) as balance agent, direction effectively regulated, mitigating disordered motion colloidal particles printing process. As result, champion power conversion efficiencies (PCEs) 24.45% 20.32% achieved small-area (0.07 cm2) modules (21 cm2), respectively. Notably, under steady illumination, device reached stabilized PCE 24.28%. Furthermore, unencapsulated exhibited remarkable operational stability, retaining 92.03% its initial after 1800 h ambient conditions (35 ± 5% relative humidity, 30 °C). To demonstrate universality strategy, blue light-emitting diode fabricated, showing an external quantum efficiency (EQE) 14.78% electroluminescence wavelength (EL) 494 nm. This work provides significant technique advancing solution-processed, industrial-scale production high-quality stable

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

6

Stable and Efficient Perovskite Photovoltaics via a Three‐In‐One Passivating Approach by Aminoacetonitrile Hydrochloride DOI Open Access

Yinjiang Liu,

Tengfei Kong, Yang Zhang

et al.

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

Published: Jan. 22, 2025

Abstract Reducing defect density is of significant importance for enhancing the power conversion efficiency (PCE) and stability perovskite solar cells (PSCs). While most previous outstanding studies have focused on individual layers within device structure. Herein, a three‐in‐one strategy using aminoacetonitrile hydrochloride (AmiHCl) molecule to reduce defects in bulk surface perovskite. The results study found that AmiHCl bottom modification can decrease number buried interface holes, doping into modulate crystallization via strong interaction between components, upper inhibit formation vacancies by creating hydrogen bonds with A‐site cations. This approach yields PSCs an 25.90% high fill factor ( FF) 88.54%. Additionally, modified show significantly enhanced operational stability, PCE retaining more than 90.0% initial value after 1350 h maximum point tracking.

Language: Английский

Citations

0

Regulating Precursor Viscosity with Inert Solvent Additives for Efficient Blade‐Coated Perovskite Solar Cells DOI

Jingjing Wu,

Zhengdong Liu,

Yongrui Yang

et al.

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

Published: Feb. 24, 2025

Abstract Metal halide perovskite solar cells (PSCs) are emerging as promising candidates for next‐generation photovoltaics aimed at green energy production. However, during solution‐processed film deposition, the distinct rheological behaviors of blade coating, compared to spin result in less controlled crystallization, leading inferior quality and limiting power conversion efficiency (PCE) blade‐coated photovoltaics. In this work, ethylene glycol (EG) is introduced an inert co‐solvent precursor solutions achieve high‐quality films via coating. The high viscosity EG facilitates deposition thick ranging from 400 2000 nm, while its low vapor pressure effectively suppresses premature nucleation before vacuum flashing, with enhanced morphology. As a result, PSCs impressive champion PCE 24.10% retain 89% their initial after 600 h continuous operation.

Language: Английский

Citations

0

Antisolvent seeding of self-assembled monolayers for flexible monolithic perovskite/Cu(In,Ga)Se2 tandem solar cells DOI
Zhiqin Ying,

Shiqian Su,

Xin Li

et al.

Nature Energy, Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Language: Английский

Citations

0

A Buried Interface Fastening Approach for Efficient and Flexible Perovskite Photovoltaics DOI

Zhixing Cai,

Zhihui Yao,

Zhi Xing

et al.

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

Published: May 2, 2025

Abstract Organic–inorganic halide perovskite solar cells (PSCs) have demonstrated a promising advancement in flexible and lightweight photovoltaics. Nevertheless, achieving their large‐area printed fabrication remains challenging, especially the issue of defect enrichment at buried interfaces, which is crucial for efficient carrier transport. Herein, an interfacial fastening strategy designed to enhance performance stability PSCs, involving introduction hexamethylene diisocyanate (HDI) into precursor ethylene glycol (EG) on electron transport layers. The situ reaction between HDI EG during film formation can inhibit complex intermediate phases deposition, thus uniform colloidal distribution, mitigating gradient residual stress mismatch films, enhancing contact. resulting rigid, PSCs modules (25 cm 2 ) achieve PCEs 26.04%, 24.16%, 20.40%, respectively, encapsulated devices retain over 80% efficiencies after storage 6380 h. This work provides potential simultaneously optimize contact quality interface crystallization perovskites, aligns with requirements large‐area, high‐quality, homogeneous deposition photovoltaics facilitates printing manufacturing commercialization transition.

Language: Английский

Citations

0

All-interfaces lead leakage blocking and defect healing for perovskite solar cells DOI

Yusheng Cao,

Lele Wu,

Yuanyuan Zhao

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 111195 - 111195

Published: May 1, 2025

Language: Английский

Citations

0