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Rational Engineering of S-Scheme Nb2O5/Bi2WO6 Heterojunction: Achieving 4525  μmol  g−1  h−1 of Photosynthesis of Hydrogen Peroxide S-Scheme Nb2O5/Bi2WO6异质结的合理工程:实现4525 μmol g−1 h−1过氧化氢的光合作用
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-13 DOI: 10.1002/solr.70456
Terigelema Hao, Irshad Ahmad, Yasser A. Alassmy, Mohammed Qasem Alfaifi, Yousef I. Alrashed, Sultan A. Alshuhri, Mohammed Hassan Almusawa, Mohammed T. Alotaibi, Shiqin Zhao, Gao Li
{"title":"Rational Engineering of S-Scheme Nb2O5/Bi2WO6 Heterojunction: Achieving 4525  μmol  g−1  h−1 of Photosynthesis of Hydrogen Peroxide","authors":"Terigelema Hao,&nbsp;Irshad Ahmad,&nbsp;Yasser A. Alassmy,&nbsp;Mohammed Qasem Alfaifi,&nbsp;Yousef I. Alrashed,&nbsp;Sultan A. Alshuhri,&nbsp;Mohammed Hassan Almusawa,&nbsp;Mohammed T. Alotaibi,&nbsp;Shiqin Zhao,&nbsp;Gao Li","doi":"10.1002/solr.70456","DOIUrl":"https://doi.org/10.1002/solr.70456","url":null,"abstract":"<p>Developing efficient semiconductor catalysts for the photocatalytic synthesis of hydrogen peroxide remains intrinsically challenging, primarily because the rapid recombination of photoinduced charge carriers limits reaction efficiency. In this work, an S-scheme Nb<sub>2</sub>O<sub>5</sub>/Bi<sub>2</sub>WO<sub>6</sub> (Nb/BiW) heterojunction is rationally engineered to overcome these intrinsic limitations and markedly enhance photoinduced charge separation. Systematic experimental investigations demonstrate that integrating Nb<sub>2</sub>O<sub>5</sub> with Bi<sub>2</sub>WO<sub>6</sub> broadens light-harvesting capability, increases accessible surface area, and creates abundant interfacial charge transport channels, thereby facilitating efficient carrier migration and providing a high density of redox-active sites. The optimized Nb/BiW-1.5 heterojunction exhibits superior photocatalytic performance, delivering an H<sub>2</sub>O<sub>2</sub> production rate of 4525 μmol g<sup>−1</sup> h<sup>−1</sup> within 60 min under simulated solar irradiation (AM 1.5). In parallel, the catalyst maintains excellent durability, sustaining catalytic efficiency over 10 successive reaction cycles. Mechanistic analysis, supported by comprehensive physicochemical characterizations and control experiments, reveals that the built-in internal electric field inherent to the S-scheme junction plays a pivotal role in directing charge separation and transfer while preserving strong redox potentials. These findings elucidate fundamental aspects of H<sub>2</sub>O<sub>2</sub> photosynthesis in Nb/BiW systems and provide a general design framework for next-generation photocatalysts for solar-driven chemical synthesis.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148753897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Front Cover: Quantifying Perovskite Solar Cell Degradation via Machine Learning From Spatially Resolved Multimodal Luminescence Time Series (Sol. RRL 15/2026) 封面:通过机器学习从空间分辨多模态发光时间序列量化钙钛矿太阳能电池退化(Sol. RRL 15/2026)
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-13 DOI: 10.1002/solr.70465
Giulio Barletta, Simon Ternes, Saif Ali, Zohair Abbas, Chiara Ostendi, Marialucia D’Addio, Erica Magliano, Pietro Asinari, Eliodoro Chiavazzo, Aldo Di Carlo
{"title":"Front Cover: Quantifying Perovskite Solar Cell Degradation via Machine Learning From Spatially Resolved Multimodal Luminescence Time Series (Sol. RRL 15/2026)","authors":"Giulio Barletta,&nbsp;Simon Ternes,&nbsp;Saif Ali,&nbsp;Zohair Abbas,&nbsp;Chiara Ostendi,&nbsp;Marialucia D’Addio,&nbsp;Erica Magliano,&nbsp;Pietro Asinari,&nbsp;Eliodoro Chiavazzo,&nbsp;Aldo Di Carlo","doi":"10.1002/solr.70465","DOIUrl":"https://doi.org/10.1002/solr.70465","url":null,"abstract":"<p>The cover image is based on the article Quantifying Perovskite Solar Cell Degradation via Machine Learning From Spatially Resolved Multimodal Luminescence Time Series by <b>Eliodoro Chiavazzo</b> et al., https://doi.org/10.1002/solr.70433.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.70465","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148753903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Constructing a Supramolecular THPP/C60-NH2 Donor–Acceptor System via Strong Electrostatic Interaction for Efficient Photocatalytic Hydrogen Evolution 利用强静电相互作用构建THPP/C60-NH2超分子供受体体系用于高效光催化析氢
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-13 DOI: 10.1002/solr.70453
Haichi Zhang, Qian Wang, Shuoqing Qi, Jun Yang, Fatang Li
{"title":"Constructing a Supramolecular THPP/C60-NH2 Donor–Acceptor System via Strong Electrostatic Interaction for Efficient Photocatalytic Hydrogen Evolution","authors":"Haichi Zhang,&nbsp;Qian Wang,&nbsp;Shuoqing Qi,&nbsp;Jun Yang,&nbsp;Fatang Li","doi":"10.1002/solr.70453","DOIUrl":"https://doi.org/10.1002/solr.70453","url":null,"abstract":"<p>The rational design and construction of efficient donor–acceptor (D–A) architectures represent a pivotal strategy for enhancing photocatalytic activity, particularly toward boosting solar-driven hydrogen evolution performance. To further modulate the electron transfer pathway at the donor–acceptor (D–A) interface, a supramolecular composite (THPP/C<sub>60</sub>-NH<sub>2</sub>) is rationally designed and synthesized using tetrahydroxyphenylporphyrin (THPP) and amino-functionalized fullerene (C<sub>60</sub>-NH<sub>2</sub>) as building blocks. Benefiting from the strong electron-donating characteristic of THPP and the excellent electron-accepting capability of C<sub>60</sub>-NH<sub>2</sub>, as well as the directional hydrogen bonding interaction between amino groups and porphyrin hydroxyl groups, this system realizes efficient and precise intermolecular electron transfer. The long-lived charge-separated state generated in the composite effectively suppresses carrier recombination and enhances photogenerated carrier separation efficiency. The obtained THPP/C<sub>60</sub>-NH<sub>2</sub> exhibits a high photocatalytic H<sub>2</sub> production activity of 15.86 mmol g<sup>−1</sup> h<sup>−1</sup>, approximately 2.7 times that of pure THPP, providing a new route to regulate D–A interfacial kinetics through polar group modification.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148754114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Steric Hindrance-Assisted Coordination for Efficient and Stable Tin-Based Perovskite Solar Cells 高效稳定的锡基钙钛矿太阳能电池的位阻辅助配位
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-13 DOI: 10.1002/solr.70454
Siyuan Lin, Gaiqin Ding, Yichuan Rui, Tianpeng Li, Peilin Wang, Ziyan Zhou, Zhenyang Liang, Zuoming Jin, Jia Liang
{"title":"Steric Hindrance-Assisted Coordination for Efficient and Stable Tin-Based Perovskite Solar Cells","authors":"Siyuan Lin,&nbsp;Gaiqin Ding,&nbsp;Yichuan Rui,&nbsp;Tianpeng Li,&nbsp;Peilin Wang,&nbsp;Ziyan Zhou,&nbsp;Zhenyang Liang,&nbsp;Zuoming Jin,&nbsp;Jia Liang","doi":"10.1002/solr.70454","DOIUrl":"https://doi.org/10.1002/solr.70454","url":null,"abstract":"<p>Tin-based perovskite solar cells (TPSCs) have recently emerged as a leading eco-friendly photovoltaic technology owing to rapid efficiency gains. However, their development is limited by the facile oxidation of Sn<sup>2+</sup> and high defect density, leading to poor crystallization quality and severe non-radiative recombination. In this study, we leverage the strong PO···Sn<sup>2+</sup> coordination and the steric hindrance of multiple phenyl rings to introduce a series of phosphine additives into the bulk phase of Sn-based perovskites. Through theoretical calculations and experimental screening, triphenylphosphine oxide (TPPO) is identified as the optimal additive due to its unique tetrahedral geometry and superior coordination capability. The PO group of TPPO acts as a hard Lewis base, forming robust coordination with Sn<sup>2+</sup>, while its tetrahedral steric hindrance synergistically enhances the stability of Sn-based perovskites structure. Moreover, the incorporation of TPPO boosts the PCE of TPSCs to 14.13%, and the optimized devices retain 80% of their initial efficiency after 720 h.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148753898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in 2D/3D Heterostructures for Photocatalysis: Structural Design, Performance Optimization, and Multifunctional Applications 二维/三维异质结构光催化研究进展:结构设计、性能优化及多功能应用
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-05 DOI: 10.1002/solr.70446
Zhenzhen Li, Jinmeng Zhang, Xiaoling Wang, Shiguang Lu, Xing Huang, Junguo Li, Hang Zhao
{"title":"Advances in 2D/3D Heterostructures for Photocatalysis: Structural Design, Performance Optimization, and Multifunctional Applications","authors":"Zhenzhen Li,&nbsp;Jinmeng Zhang,&nbsp;Xiaoling Wang,&nbsp;Shiguang Lu,&nbsp;Xing Huang,&nbsp;Junguo Li,&nbsp;Hang Zhao","doi":"10.1002/solr.70446","DOIUrl":"https://doi.org/10.1002/solr.70446","url":null,"abstract":"<p>Photocatalysis offers a sustainable pathway for solar energy conversion and environmental remediation, yet its efficiency is limited by rapid charge recombination and poor solar spectrum utilization in conventional catalysts. The integration of 2D and 3D materials into heterostructures represents a transformative design paradigm in this field, where dimensional hybridization creates synergistic heterointerfaces that simultaneously boost light harvesting, directional charge separation, and surface redox reaction kinetics. This review systematically summarizes state-of-the-art advances in 2D/3D heterojunction photocatalysts, with a core focus on the underlying fundamental charge transfer mechanisms including Type-II, Z-scheme, S-scheme, and Schottky junction configurations. Beyond mechanistic analysis, it further covers the corresponding rational material design principles, advanced interface engineering strategies, and diverse photocatalytic applications of these heterostructures. The critical challenges and future research directions in this field are also highlighted, providing insights into the development of next-generation high-performance photocatalysts.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Hydrogel-Based Seawater Evaporator for a High Rate of Clean Water Production via Photothermal and Electrothermal Joule Heating-Assisted Evaporation 一种基于水凝胶的光热和电热焦耳加热辅助蒸发海水蒸发器
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-04 DOI: 10.1002/solr.70450
Anindya Sundar Patra, Hyeong Woo Lim, Younghoon Suh, Sang Joon Lee
{"title":"A Hydrogel-Based Seawater Evaporator for a High Rate of Clean Water Production via Photothermal and Electrothermal Joule Heating-Assisted Evaporation","authors":"Anindya Sundar Patra,&nbsp;Hyeong Woo Lim,&nbsp;Younghoon Suh,&nbsp;Sang Joon Lee","doi":"10.1002/solr.70450","DOIUrl":"https://doi.org/10.1002/solr.70450","url":null,"abstract":"<p>Interfacial steam generation (ISG) at the water–air interface is one of the feasible solutions to deal with the global freshwater scarcity driven by pollution, population growth, and climate change. However, salt accumulation on light-absorbing materials, variable weather conditions, and no sunlight at night reduce the efficacy of ISG technology. To mitigate these challenges, an innovative and simple ISG approach using starch, chitosan, and carbon black-based hydrogel and a PDMS-coated carbon cloth is proposed in this study. It combines the synergistic effects of photothermal and electrothermal Joule heating-assisted evaporation for highly efficient seawater desalination that works in all weather, all day, without salt fouling on the evaporation surface. During desalination experiments, the surface temperature of the evaporator reaches ~40 °C within 10 min, achieving an impressive evaporation rate of 6.619 kg m<sup>−2</sup> h<sup>−1</sup> under 3 V applied voltage and 1 sun illumination. These advancements pave the way for highly efficient electrothermal heating-assisted photothermal seawater desalination systems, offering a reliable solution for all-weather, all-day desalination to produce freshwater while preventing salt fouling.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ammonia-Induced Complexation for Stabilized Precursor Ink Toward Efficient Kesterite Solar Cells 氨诱导稳定前驱体墨水络合制备高效Kesterite太阳能电池
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-04 DOI: 10.1002/solr.70438
Tao Wang, Yuanyuan Huang, Ening Gu, Yu Mao, Yanmei Deng, Xianzhong Lin
{"title":"Ammonia-Induced Complexation for Stabilized Precursor Ink Toward Efficient Kesterite Solar Cells","authors":"Tao Wang,&nbsp;Yuanyuan Huang,&nbsp;Ening Gu,&nbsp;Yu Mao,&nbsp;Yanmei Deng,&nbsp;Xianzhong Lin","doi":"10.1002/solr.70438","DOIUrl":"https://doi.org/10.1002/solr.70438","url":null,"abstract":"<p>Cu<sub>2</sub>ZnSn(S, Se)<sub>4</sub> (CZTSSe) solar cells attract extensive attention due to their excellent optoelectronic properties and earth-abundant constituents. The solution-processed CZTSSe absorbers based on molecular ink are a promising approach for high-efficiency CZTSSe solar cells. However, the molecular inks suffer from poor stability because of Cu(I) oxidation, limiting device reproducibility and large-scale production. Here, we introduce ammonia (NH<sub>3</sub>·H<sub>2</sub>O) into a dimethyl sulfoxide (DMSO)-based molecular ink to stabilize the precursor. NH<sub>3</sub> preferentially complexes with Cu(I) to form stable Cu(NH<sub>3</sub>)<sub><i>x</i></sub><sup>+</sup>, effectively suppressing Cu(I) oxidation and extending ink stability from under 6 days to over 40 days. During precrystallization, rapid ammonia volatilization induces dense cracks in the precursor film, promoting grain growth and absorber densification upon selenization. Additionally, ammonia suppresses deep-level defect clusters [2Cu<sub>Zn</sub> + Sn<sub>Zn</sub>]. With the optimized addition of 200 μL ammonia, the average power conversion efficiency (PCE) increases from 10.70% to 10.95%. By further employing a Zn/Sn stacking layer strategy, the optimized device achieves 11.81% PCE, accompanied by increased shunt resistance, reduced reverse saturation current density, and suppressed band-tail states. This article provides a simple and controllable strategy for enhancing ink stability and mitigating Sn-related deep-level defects in solution-processed kesterite photovoltaics.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decoupling Bulk Energetics and Interfacial Passivation in Low-Temperature TiO2 for High-Performance Carbon Electrode-Based Perovskite Solar Cells 高性能碳电极钙钛矿太阳能电池中低温TiO2的解耦、体能量学和界面钝化
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-04 DOI: 10.1002/solr.70449
Warunee Khampa, Woraprom Passatorntaschakorn, Wongsathon Musikpan, Chukwuebuka Emmanuel Usulor, Sukhanidhan Singh, Isaac Chinaza Ogbuagu, Athipong Ngamjarurojana, Ratchadaporn Supruangnet, Hideki Nakajima, Pongsakorn Kanjanaboos, Anusit Kaewprajak, Pisist Kumnorkaew, Pipat Ruankham, Duangmanee Wongratanaphisan
{"title":"Decoupling Bulk Energetics and Interfacial Passivation in Low-Temperature TiO2 for High-Performance Carbon Electrode-Based Perovskite Solar Cells","authors":"Warunee Khampa,&nbsp;Woraprom Passatorntaschakorn,&nbsp;Wongsathon Musikpan,&nbsp;Chukwuebuka Emmanuel Usulor,&nbsp;Sukhanidhan Singh,&nbsp;Isaac Chinaza Ogbuagu,&nbsp;Athipong Ngamjarurojana,&nbsp;Ratchadaporn Supruangnet,&nbsp;Hideki Nakajima,&nbsp;Pongsakorn Kanjanaboos,&nbsp;Anusit Kaewprajak,&nbsp;Pisist Kumnorkaew,&nbsp;Pipat Ruankham,&nbsp;Duangmanee Wongratanaphisan","doi":"10.1002/solr.70449","DOIUrl":"https://doi.org/10.1002/solr.70449","url":null,"abstract":"<p>Achieving high-efficiency carbon electrode-based perovskite solar cells (CPSCs) with low-temperature processed TiO<sub>2</sub> electron transporting layers (ETLs) is challenging due to the inferior film quality and elevated defect density associated with conventional sources. Here, we introduce a synergistic dual-modification strategy that integrates titanium diisopropoxide bis(acetylacetonate) (TDBA) ligand-assisted TiO<sub>2</sub> network engineering with ultrathin SnO<sub>2</sub> passivation as a hybrid TiO<sub>2</sub>-TDBA/SnO<sub>2</sub> ETL to overcome these limitations. TDBA incorporation densifies the TiO<sub>2</sub> framework and enhances the built-in potential, enabling higher <i>V</i><sub>OC</sub>, while the SnO<sub>2</sub> overlayer suppresses interfacial defects and facilitates charge extraction, leading to an improved fill factor (FF). As a result, CPSCs fabricated under dry-air conditions achieve a PCE of 15.77%. The strategy is further extended to flexible devices, yielding 11.95%, and significantly enhances indoor performance to 27.53% under 1000 lx LED illumination. Additionally, a 6 cm<sup>2</sup> module exhibits scalable performance, with PCEs of 5.41% at one sun and 19.31% in indoor light. This work establishes an effective and scalable interfacial engineering route for low-temperature TiO<sub>2</sub> ETLs, offering a green and practical pathway toward high-performance CPSCs for both indoor and outdoor applications.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanoscale Insights Into Hydration- and Light-Induced Surface Degradation and Annealing Recovery in Solution-Processed Perovskite Thin Films 溶液处理钙钛矿薄膜中水合和光诱导的表面降解和退火恢复的纳米级见解
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-03 DOI: 10.1002/solr.70443
Shayan Ahmad, Wanxin Zhang, Haitao Dai, Zhixiang Sun
{"title":"Nanoscale Insights Into Hydration- and Light-Induced Surface Degradation and Annealing Recovery in Solution-Processed Perovskite Thin Films","authors":"Shayan Ahmad,&nbsp;Wanxin Zhang,&nbsp;Haitao Dai,&nbsp;Zhixiang Sun","doi":"10.1002/solr.70443","DOIUrl":"https://doi.org/10.1002/solr.70443","url":null,"abstract":"<p>Using the same-location atomic force microscopy (AFM), we investigated how hydration, thermal annealing, and optical irradiation affect the nanoscale surface evolution of solution-processed formamidinium–methylammonium lead iodide (FA<sub>0.6</sub>MA<sub>0.4</sub>PbI<sub>3</sub>) thin films. Upon exposure to high relative humidity (∼85% RH) at room temperature, the polycrystalline films exhibited two distinct nanoscale degradation pathways: the formation of depressions along grain boundaries and the development of pits at pre-existing defect sites within grain interiors. To explain these observations, we propose a defect-initiated hydration degradation mechanism, supported by direct nanoscale morphological evidence for surface-initiated degradation at both grain-boundary and grain-interior sites. Thermal annealing partially recovers these hydration-induced surface degradations, reducing the depth of pits and depressions, narrowing the grain boundary features, and sharpening the step edges, indicating partial morphological recovery. Furthermore, UV-A light and 405 nm laser irradiation induce real-time surface roughening and step-edge broadening, accompanied by apparent surface depletion. We discuss these observations within the framework of established degradation mechanisms. Our same-location AFM tracking provides nanoscale, time-resolved insights into the degradation behavior of the FA<sub>0.6</sub>MA<sub>0.4</sub>PbI<sub>3</sub> thin films that can guide the design of more durable perovskite devices for real-world environments.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interfacial Modulation of Perovskite Solar Cells: Defect Suppression, Ion Migration, and Mechanical Stability 钙钛矿太阳能电池的界面调制:缺陷抑制、离子迁移和机械稳定性
IF 4.8 3区 工程技术
Solar RRL Pub Date : 2026-08-03 DOI: 10.1002/solr.70445
Xuping Liu, Qinghua Li
{"title":"Interfacial Modulation of Perovskite Solar Cells: Defect Suppression, Ion Migration, and Mechanical Stability","authors":"Xuping Liu,&nbsp;Qinghua Li","doi":"10.1002/solr.70445","DOIUrl":"https://doi.org/10.1002/solr.70445","url":null,"abstract":"<p>Interfaces play a central role in perovskite solar cells (PSCs), governing charge extraction, recombination dynamics, and operational stability. Precise interfacial engineering is therefore essential for enabling efficient carrier transport, suppressing nonradiative recombination, and prolonging device lifetime. Nevertheless, persistent interfacial challenges, including defect accumulation, energy-level mismatch, ion migration, and thermomechanical degradation arising from thermal expansion mismatch, remain major barriers to further improvements in both efficiency and durability. This review systematically summarizes recent advances in interfacial engineering for PSCs, with particular emphasis on the underlying physicochemical principles. Progress in the engineering of top interfaces, buried interfaces, and vertically integrated dual-interface strategies is comprehensively discussed. Finally, future opportunities and challenges for realizing highly efficient and robust PSCs under large area fabrication and harsh operating conditions are highlighted.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"10 15","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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