Synergistic Crystallization Kinetics Modulation and Deep/Shallow Level Defect Passivation via an Organometallic Cobaltocenium Salt Toward High‐Performance Inverted Perovskite Solar Cells DOI
Xingyu Pu, Qi Cao,

Xilai He

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(8)

Published: Jan. 9, 2024

Abstract Numerous deep/shallow level defects generated at the surface/grain boundaries of perovskite during uncontrollable crystallization pose a formidable challenge to photovoltaic performance solar cells (PSCs). Herein, an organometallic cobaltocenium salt additive, 1‐propanol‐2‐(1,2,3‐triazol‐4‐yl) hexafluorophosphate (PTCoPF 6 ), is incorporated into precursor solution regulate and minimize holistic for high‐performance inverted PSCs. The cations PF − in PTCoPF stabilize Pb‐I framework repair shallow‐level positively negatively charged vacancies perovskite. N═N triazole ring can passivate deep‐level uncoordinated lead. interaction between materials delays nucleation crystal growth, ensuring high‐quality with large grains, suppressing non‐radiative recombination ion migration. Therefore, ‐incorporated PSC achieves impressive power conversion efficiency 25.03% outstanding long‐term stability. Unencapsulated encapsulated PSCs maintain 93% 95% their initial efficiencies under 85 °C storage nitrogen atmosphere 1000 h maximum point tracking nearly h, respectively. Synergistic kinetic modulation defect passivation ionized metal‐organic complex additives will become prevalent methods improve stability

Language: Английский

Methods for Passivating Defects of Perovskite for Inverted Perovskite Solar Cells and Modules DOI Creative Commons
Jiarong Wang, Le‐Yu Bi, Qiang Fu

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(35)

Published: June 27, 2024

Abstract Inverted perovskite solar cells (PSCs) have attracted considerable attention due to their distinct advantages, including minimal hysteresis, cost‐effectiveness, and suitability for tandem applications. Nevertheless, the solution processing low formation energy of perovskites inevitably lead numerous defects formed at both bulk interfaces layer. These can act as non‐radiative recombination centers, significantly impeding carrier transport posing a substantial obstacle stability further enhancing power conversion efficiency (PCE). This review delves into detailed discussion nature origin characterization techniques employed defect identification. Furthermore, it systematically summarizes methods detection approaches passivating interface within film in inverted PSCs. Finally, this offers perspective on employing upscaling passivation engineering modules. It is hoped provides insights PSCs

Language: Английский

Citations

46

Self‐assembled monolayers (SAMs) in inverted perovskite solar cells and their tandem photovoltaics application DOI Creative Commons

Zijun Yi,

Xin Li,

Yuchen Xiong

et al.

Interdisciplinary materials, Journal Year: 2024, Volume and Issue: 3(2), P. 203 - 244

Published: Feb. 23, 2024

Abstract Self‐assembled monolayers (SAMs) employed in inverted perovskite solar cells (PSCs) have achieved groundbreaking progress device efficiency and stability for both single‐junction tandem configurations, owing to their distinctive versatile ability manipulate chemical physical interface properties. In this regard, we present a comprehensive review of recent research advancements concerning SAMs cells, where the prevailing challenges future development prospects applications are emphasized. We thoroughly examine mechanistic roles diverse energy‐level regulation, modification, defect passivation, charge transportation. This is by understanding how interfacial molecular interactions can be finely tuned mitigate recombination losses PSCs. Through review, aim provide valuable insights references further investigation utilization cells.

Language: Английский

Citations

43

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

Bisphosphonate‐Anchored Self‐Assembled Molecules with Larger Dipole Moments for Efficient Inverted Perovskite Solar Cells with Excellent Stability DOI
Jie Wu, Pengyu Yan, Daobin Yang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(28)

Published: May 20, 2024

Abstract In the fabrication of inverted perovskite solar cells (PSCs), wettability, adsorbability, and compactness self‐assembled monolayers (SAMs) on conductive substrates have critical impacts quality films defects at buried perovskite‐substrate interface, which control efficiency stability devices. Herein, three bisphosphonate‐anchored indolocarbazole (IDCz)‐derived SAMs, IDCz‐1, IDCz‐2, IDCz‐3, are designed synthesized by modulating position two nitrogen atoms IDCz unit to improve molecular dipole moments strengthen π–π interactions. Regulating work functions (WF) FTO electrodes through energy levels, band bends upwards with a small offset for ITO/IDCz‐3/perovskite, thereby promoting hole extraction blocking electrons. As result, PSC employing IDCz‐3 as hole‐collecting layer exhibits champion PCE 25.15%, is record multipodal SAMs‐based PSCs. Moreover, unencapsulated device can be stored least 1800 h little degradation in performance.

Language: Английский

Citations

40

The Promise and Challenges of Inverted Perovskite Solar Cells DOI
Peng Chen,

Yun Xiao,

Shunde Li

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(19), P. 10623 - 10700

Published: Aug. 29, 2024

Recently, there has been an extensive focus on inverted perovskite solar cells (PSCs) with a p-i-n architecture due to their attractive advantages, such as exceptional stability, high efficiency, low cost, low-temperature processing, and compatibility tandem architectures, leading surge in development. Single-junction perovskite-silicon (TSCs) have achieved certified PCEs of 26.15% 33.9% respectively, showing great promise for commercial applications. To expedite real-world applications, it is crucial investigate the key challenges further performance enhancement. We first introduce representative methods, composition engineering, additive solvent processing innovation charge transporting layers, interface fabricating high-efficiency stable PSCs. then delve into reasons behind excellent stability Subsequently, we review recent advances TSCs PSCs, including perovskite-Si TSCs, all-perovskite perovskite-organic TSCs. achieve final deployment, present efforts related scaling up, harvesting indoor light, economic assessment, reducing environmental impacts. Lastly, discuss potential PSCs future.

Language: Английский

Citations

40

Two‐Step Perovskite Solar Cells with > 25% Efficiency: Unveiling the Hidden Bottom Surface of Perovskite Layer DOI
Fei Wang,

Taomiao Wang,

Yonggui Sun

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)

Published: April 11, 2024

Abstract While significant efforts in surface engineering have been devoted to the conversion process of lead iodide (PbI 2 ) into perovskite and top layer with remarkable progress, exploration residual PbI clusters hidden bottom on limited. In this work, a new strategy involving 1‐butyl‐3‐methylimidazolium acetate (BMIMAc) ionic liquid (IL) additives is developed it found that both cations anions ILs can interact components, thereby regulating crystallization diminishing residue as well filling vacancies. The introduction BMIMAc induces formation uniform porous film, facilitating better penetration second‐step organic salt fostering more extensive interaction between salt. Surprisingly, oversized at completely diminish. addition, advanced depth analysis techniques including depth‐resolved grazing‐incidence wide‐angle X‐ray scattering (GIWAXS) thinning technology are employed for comprehensive understanding reduction . Leveraging effective management regulation process, champion devices achieve power efficiency (PCE) 25.06% long‐term stability.

Language: Английский

Citations

37

Amidination of ligands for chemical and field-effect passivation stabilizes perovskite solar cells DOI
Yi Yang, Hao Chen, Cheng Liu

et al.

Science, Journal Year: 2024, Volume and Issue: 386(6724), P. 898 - 902

Published: Nov. 21, 2024

Surface passivation has driven the rapid increase in power conversion efficiency (PCE) of perovskite solar cells (PSCs). However, state-of-the-art surface techniques rely on ammonium ligands that suffer deprotonation under light and thermal stress. We developed a library amidinium ligands, interest for their resonance effect–enhanced N–H bonds may resist deprotonation, to stability layers surfaces. This strategy resulted >10-fold reduction ligand equilibrium constant twofold maintenance photoluminescence quantum yield after aging at 85°C illumination air. Implementing this approach, we achieved certified quasi–steady-state PCE 26.3% inverted PSCs; report retention ≥90% 1100 hours continuous 1-sun maximum point operation 85°C.

Language: Английский

Citations

36

Enhanced charge carrier transport and defects mitigation of passivation layer for efficient perovskite solar cells DOI Creative Commons
Zihan Qu, Yang Zhao, Fei Ma

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Oct. 4, 2024

Surface passivation has been developed as an effective strategy to reduce trap-state density and suppress non-radiation recombination process in perovskite solar cells. However, agents usually own poor conductivity hold negative impact on the charge carrier transport device. Here, we report a binary synergistical post-treatment method by blending 4-tert-butyl-benzylammonium iodide with phenylpropylammonium spin-coating surface form layer. The post-treated films show enhanced crystallinity improved molecular packing well better energy band alignment, benefiting for hole extraction transfer. Moreover, defects are further passivated compared unary passivation. Based strategy, record-certified quasi-steady power conversion efficiency of 26.0% cells is achieved. devices could maintain 81% initial after 450 h maximum point tracking.

Language: Английский

Citations

34

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

Suppressed deprotonation enables a durable buried interface in tin-lead perovskite for all-perovskite tandem solar cells DOI
Sheng Fu, Nannan Sun, Yeming Xian

et al.

Joule, Journal Year: 2024, Volume and Issue: 8(8), P. 2220 - 2237

Published: June 5, 2024

Language: Английский

Citations

30