Improved Hole‐Selective Contact Enables Highly Efficient and Stable FAPbBr3 Perovskite Solar Cells and Semitransparent Modules DOI

Helong Zhu,

Zigeng Xu,

Zhiyang Zhang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(33)

Published: June 12, 2024

Self-assembled monolayers (SAMs) as the hole-selective contact have achieved remarkable success in iodine-based perovskite solar cells (PSCs), while their impact on bromine-based PSCs is limited due to poor crystallization behavior and mismatched energy level alignment. Here, a highly efficient SAM of (2-(3,6-diiodo-9H-carbazol-9-yl)ethyl)phosphonic acid (I-2PACz) employed address these challenges FAPbBr

Language: Английский

Surface Energy Engineering of Buried Interface for Highly Stable Perovskite Solar Cells with Efficiency Over 25% DOI Open Access
Hang Su, Zhuo Xu,

Xilai He

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(2)

Published: Oct. 21, 2023

The abundant oxygen-related defects (e.g., O vacancies, O-H) in the TiO

Language: Английский

Citations

56
Device Performance of Emerging Photovoltaic Materials (Version 4) DOI Creative Commons
Osbel Almora, Carlos I. Cabrera, Sule Erten‐Ela

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(4)

Published: Dec. 15, 2023

Abstract Following the 3rd release of “Emerging PV reports” , best achievements in performance emerging photovoltaic (e‐PV) devices diverse e‐PV research subjects are summarized, as reported peer‐reviewed articles academic journals since August 2022. Updated graphs, tables, and analyses provided with several parameters, such power conversion efficiency, open‐circuit voltage, short‐circuit current density, fill factor, light utilization stability test energy yield. These parameters presented a function bandgap average visible transmittance for each technology application, put into perspective using, example, detailed balance efficiency limit. The 4th installment discusses “PV emergence” classification respect to generations” waves” highlights latest device progress multijunction flexible photovoltaics. Additionally, Dale‐Scarpulla's plots efficiency‐effort terms cumulative publication count also introduced.

Language: Английский

Citations

46
Highly‐Stable CsPbI3 Perovskite Solar Cells with an Efficiency of 21.11% via Fluorinated 4‐Amino‐Benzoate Cesium Bifacial Passivation DOI

Dongfang Xu,

Jungang Wang, Yuwei Duan

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(44)

Published: July 7, 2023

Abstract The poor interface quality between cesium lead triiodide (CsPbI 3 ) perovskite and the electron transport layer limits stability efficiency of CsPbI solar cells (PSCs). Herein, a 4‐amino‐2,3,5,6‐tetrafluorobenzoate (ATFC) is designed as bifacial defect passivator to tailor perovskite/TiO 2 interface. comprehensive experiments demonstrate that ATFC can not only optimize conductivity, mobility, energy band structure TiO by passivation undercoordinated Ti 4+ , oxygen vacancy ( V O ), free OH defects but also promote yield high‐quality film synergistic Pb 2+ with CO group F atom, limiting I − migration via F···I interaction. Benefiting from above interactions, ATFC‐modified device yields champion power conversion (PCE) 21.11% an excellent open‐circuit voltage OC 1.24 V. Meanwhile, optimized PSC maintains 92.74% its initial after aging 800 h in air atmosphere, has almost no attenuation tracking at maximum point for 350 h.

Language: Английский

Citations

44
The Dual Use of SAM Molecules for Efficient and Stable Perovskite Solar Cells DOI Creative Commons
Jiajia Suo, Bowen Yang, Dmitry Bogachuk

et al.

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

Published: April 18, 2024

Abstract Perovskite solar cells (PSCs) hold significant promise as the next‐generation materials in photovoltaic markets, owing to their ability achieve impressive power conversion efficiencies, streamlined fabrication processes, cost‐effective manufacturing, and numerous other advantages. The utilization of self‐assembled monolayer (SAM) molecules has proven be a success enhancing device efficiency extending stability. This review highlights dual use SAM realm PSCs, which can not only serve charge transport but also act interfacial modulators. These research endeavors encompass wide range applications for various both n‐i‐p p‐i‐n structured providing deep insight into underlying mechanisms. Furthermore, this proposes current challenges future investigations materials. timely thorough seeks provide direction inspiration efforts dedicated ongoing incorporation SAMs field perovskite photovoltaics.

Language: Английский

Citations

44
Recent Advances of Inverted Perovskite Solar Cells DOI
Xinhui Luo, Xiao Liu, Xuesong Lin

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(4), P. 1487 - 1506

Published: March 12, 2024

Inverted perovskite solar cells (PSCs) with p-i-n structure have recently attracted widespread attention owing to their fast-growing power conversion efficiency. In this Review, we focus on the progress in materials that contribute improved efficiency of inverted PSCs, including hole transport self-assembled monolayers as highlight, electron materials, and interface modification between charge layers for passivating defects. Then, discuss recent advances perovskites, optimization bandgap, interfacial band engineering, development film processing. Finally, point out challenges future perspectives further improving stability PSCs hope offering suggestions tackle hindrance commercial applications.

Language: Английский

Citations

42
Self‐Assembled Monolayer Hole‐Selective Contact for Up‐Scalable and Cost‐Effective Inverted Perovskite Solar Cells DOI Creative Commons
Tianhao Wu, Silvia Mariotti, Penghui Ji

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(32)

Published: April 8, 2024

Abstract Inverted positive‐intrinsic‐negative ( p ‐i‐ n ) perovskite solar cells (IPSCs) have attracted widespread attention due to their low fabrication temperature, good stability in ambient air, and the potential for use flexible tandem devices. In recent years, self‐assembled monolayers (SAMs) been investigated as a promising hole‐selective contact IPSCs, leading an impressive record efficiency of about 26%, which is comparable that regular counterparts. This review focuses on progress SAM‐based IPSCs from perspective energy level matching, defect passivation, interface carrier extraction, SAMs’ improvement, well advances up‐scalable SAMs layers efficient modules A cost analysis other commonly used materials conducted evaluate cost‐effectiveness photovoltaic applications. Finally, future challenges are pointed out perspectives how up‐scale improve long‐term operational provided.

Language: Английский

Citations

31
Boosting Efficiency and Stability of NiOx‐Based Inverted Perovskite Solar Cells Through D–A Type Semiconductor Interface Modulation DOI
Xianglang Sun, Chunlei Zhang, Danpeng Gao

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(25)

Published: Jan. 9, 2024

Abstract NiO x is one of the promising inorganic hole transporting materials in inverted perovskite solar cells (PSCs), however, its device efficiency and stability are still limited by energy level mismatch, low intrinsic conductivity, high interface defect density, complex active species. Herein, use an imide‐based donor–acceptor type semiconductor (BTF14) as interlayer between proposed, which facilitates extraction transfer, reduces density at film bulk, further concentration Ni >3+ species to stabilize heterointerface. As a result, power conversion PSCs can be significantly boosted from 22.11% 24.20% /BTF14. Moreover, /BTF14 based devices also exhibit negligible hysteresis excellent long‐term stability, with over 77% their initial remaining after continuous operation 60 °C for 1000 h under 1 sun illumination.

Language: Английский

Citations

20
Bilateral Chemical Linking at NiOx Buried Interface Enables Efficient and Stable Inverted Perovskite Solar Cells and Modules DOI
Yang Yang, Ruihao Chen, Jiandong Wu

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(36)

Published: June 14, 2024

Abstract Inverted NiO x ‐based perovskite solar cells (PSCs) exhibit considerable potential because of their low‐temperature processing and outstanding excellent stability, while is challenged by the carriers transfer at buried interface owing to inherent low carrier mobility abundant surface defects that directly deteriorates overall device fill factor. Present work demonstrates a chemical linker with capability simultaneously grasping crystals forming Ni−S−Pb bridge significantly boost transfer, based on rationally selected molecule 1,3‐dimethyl‐benzoimidazol‐2‐thione (NCS). The constructed not only reduces pinholes needle‐like residual PbI 2 interface, but also deepens function valence band maximum positions , resulting in smaller VBM offset between film. Consequently, modulated PSCs achieved high factor up 86.24 %, which as far we know highest value records inverted PSCs. NCS custom‐tailored minimodules (active area 18 cm ) exhibited champion efficiency 25.05 % 21.16 respectively. unencapsulated devices remains over 90 initial power point under continuous illumination for 1700 hours.

Language: Английский

Citations

18
Enhancing Photovoltaically Preferred Orientation in Wide‐Bandgap Perovskite for Efficient All‐Perovskite Tandem Solar Cells DOI Open Access
Zhanghao Wu, Yue Zhao, Changlei Wang

et al.

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

Published: Jan. 7, 2025

Wide-bandgap perovskite solar cells (WBG PSCs) have promising applications in tandem devices yet suffer from low open-circuit voltages (VOCs) and less stability. To address these issues, the study introduces multifunctional nicotinamide derivatives into WBG PSCs, leveraging regulation on photovoltaically preferential orientation optoelectronic properties via diverse functional groups, e.g., carbonyl, amino. Isonicotinamide (IA) molecule emerges as most effective agent, enhancing crystallization kinetics defect passivation due to its unique planar spatial configuration. Incorporating IA perovskites improves (100) preferred crystal orientation, reduces trap density, enables well-matched energy band alignment. High-performance 1.77 eV PSCs are achieved with a champion power conversion efficiency of 19.34% VOC 1.342 V, leading fabrication best-performing all-perovskite cell PCE 28.53% (certified 28.27%) excellent operational stability, maintaining over 90% initial under 1 sun illumination for 600 h.

Language: Английский

Citations

4
Mixed-Halide Perovskites with Halogen Bond Induced Interlayer Locking Structure for Stable Pure-Red PeLEDs DOI

Xinliang Fu,

Mei Wang, Yuanzhi Jiang

et al.

Nano Letters, Journal Year: 2023, Volume and Issue: 23(14), P. 6465 - 6473

Published: July 6, 2023

Mixed-halide perovskites enable precise spectral tuning across the entire range through composition engineering. However, mixed halide are susceptible to ion migration under continuous illumination or electric field, which significantly impedes actual application of perovskite light-emitting diodes (PeLEDs). Here, we demonstrate a novel approach introduce strong and homogeneous halogen bonds within quasi-two-dimensional lattices by means an interlayer locking structure, effectively suppresses increasing corresponding activation energy. Various characterizations confirmed that intralattice enhance stability quasi-2D mixed-halide films. report PeLEDs exhibit impressive 18.3% EQE with pure red emission CIE color coordinate (0.67, 0.33) matching Rec. 2100 standards operational half-life ∼540 min at initial luminance 100 cd m-2, representing one most stable reported date.

Language: Английский

Citations

32