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Solution-Processed Tin-Antimony Quaternary Chalcohalides for Self-Powered Broadband Photodetectors 溶液法制备自供电宽带光电探测器用锡锑季盐
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-30 DOI: 10.1002/solr.202400633
Debjit Manna, Krishnaiah Mokurala, G. Krishnamurthy Grandhi, Basheer Al-Anesi, Noolu Srinivasa Manikanta Viswanath, Vipinraj Sugathan, Amit Tewari, Ceylan Doyranli, Paola Vivo
{"title":"Solution-Processed Tin-Antimony Quaternary Chalcohalides for Self-Powered Broadband Photodetectors","authors":"Debjit Manna,&nbsp;Krishnaiah Mokurala,&nbsp;G. Krishnamurthy Grandhi,&nbsp;Basheer Al-Anesi,&nbsp;Noolu Srinivasa Manikanta Viswanath,&nbsp;Vipinraj Sugathan,&nbsp;Amit Tewari,&nbsp;Ceylan Doyranli,&nbsp;Paola Vivo","doi":"10.1002/solr.202400633","DOIUrl":"https://doi.org/10.1002/solr.202400633","url":null,"abstract":"<p>\u0000The mixed-metal quaternary chalcohalides of group IV and V elements are a promising class of low-toxicity perovskite-inspired materials with tunable bandgaps and desirable defect tolerance. Sn<sub>2</sub>SbS<sub>2</sub>I<sub>3</sub> is known for its broadband absorption, low exciton binding energy, ambient stability, and solution processability in thin films. However, its use in optoelectronic devices has so far been only limited to solar cells. In this work, the first self-powered photodetectors based on Sn<sub>2</sub>SbS<sub>2</sub>I<sub>3</sub> thin films, sandwiched in an n–<i>i</i>–p device configuration are reported. The insertion of an interlayer at the hole-transport layer/gold top-electrode interface reduces the dark current and improves the device performance. The high external quantum efficiency of the devices in the range of 350−900 nm hints to a broadband spectral photoresponsivity. The devices indeed exhibit promising photodetection properties, namely a photoresponsivity of 0.33 A W<sup>−1</sup>, a specific detectivity of 1.55 × 10<sup>1</sup><sup>2</sup> Jones, and photoresponse/decay times of 0.52 and 0.45 s at zero bias voltage. These results, combined with the excellent operational stability of the photodetectors, encourage the exploration of a wide range of practical light-sensing applications for quaternary chalcohalides and stimulate device and material engineering to further enhance photodetection across the UV-Visible-NIR spectrum.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 23","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.202400633","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869222","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
Metal–Organic Frameworks and Derivative Materials in Perovskite Solar Cells: Recent Advances, Emerging Trends, and Perspectives 钙钛矿太阳能电池中的金属-有机框架和衍生材料:最新进展、新趋势和前景
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-30 DOI: 10.1002/solr.202400607
Syed Afaq Ali Shah, Muhammad Hassan Sayyad, Zhongyi Guo
{"title":"Metal–Organic Frameworks and Derivative Materials in Perovskite Solar Cells: Recent Advances, Emerging Trends, and Perspectives","authors":"Syed Afaq Ali Shah,&nbsp;Muhammad Hassan Sayyad,&nbsp;Zhongyi Guo","doi":"10.1002/solr.202400607","DOIUrl":"https://doi.org/10.1002/solr.202400607","url":null,"abstract":"<p>The power conversion efficiency (PCE) of perovskite solar cells (PSCs) has reached an impressive value of 26.1%. While several initiatives such as structural modification and fabrication techniques helped steadily increase the PCE and stability of PSCs in recent years, the incorporation of metal–organic frameworks (MOFs) in PSCs stands out among other innovations and has emerged as a promising path forward to make this technology the front-runner for realizing next-generation low-cost photovoltaic technologies. Owing to their unique physiochemical properties and extraordinary advantages such as large specific surface area and tunable pore structures, incorporating them as/in different functional layers of PSCs endows the devices with extraordinary optoelectronic properties. This article reviews the latest research practices adapted in integrating MOFs and derivative materials into the constituent blocks of PSCs such as photoactive perovskite absorber, electron-transport layer, hole-transport layer, and interfacial layer. Notably, a special emphasis is placed on the aspect of stability improvement in PSCs by incorporating MOFs and derivative materials. Also, the potential of MOFs as lead absorbents in PSCs is highlighted. Finally, an outlook on the critical challenges faced and future perspectives for employing MOFs in PSCs in light of the commercialization of PSCs is provided.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 23","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869223","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
Bulk Heterojunction Perovskite Solar Cells Incorporated with Conjugated Polyfluorenes 结合共轭多芴的大块异质结钙钛矿太阳能电池
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-28 DOI: 10.1002/solr.202400649
Lei Liu, Xiyao Zhang, Zikun Cao, Lening Shen, Hussain Sawwan, He Wang, Xiong Gong
{"title":"Bulk Heterojunction Perovskite Solar Cells Incorporated with Conjugated Polyfluorenes","authors":"Lei Liu,&nbsp;Xiyao Zhang,&nbsp;Zikun Cao,&nbsp;Lening Shen,&nbsp;Hussain Sawwan,&nbsp;He Wang,&nbsp;Xiong Gong","doi":"10.1002/solr.202400649","DOIUrl":"https://doi.org/10.1002/solr.202400649","url":null,"abstract":"<p>\u0000Ambipolar transport characteristics of metal halide perovskites (MHPs) enable both hole and electron to be transported simultaneously in perovskite solar cells (PSCs); however, unbalanced charge transport is a fundamental limitation in boosting power conversion efficiency (PCE) of PSCs. Compared to the PSCs with either n–i–p or p–i–n device structures, bulk heterojunction (BHJ) PSCs, inspired by organic photovoltaics, are recognized as superior for balancing charge transport and maximizing interface interactions. This study reports high-performance BHJ PSCs, where the BHJ composites are composted with the n-type MHPs mixed with the p-type conjugated polyfluorenes. In the systematic studies, it is indicated that a small amount of conjugated polyfluorenes component can boost the crystallinity and grain size of the MHP thin film. Moreover, BHJ composite thin films possess boosted charge carrier mobility and a tendency of balanced charge transport and suppress both radiative and non-radiative charge carrier recombinations. Most importantly, an efficient photoinduced charge transport within the BHJ composite thin film boosts photocurrent. As a result, the PSCs based on the n-type MHPs:p-type conjugated polyfluorenes BHJ composite thin film exhibit 23.46% of PCE and boost stability. The results demonstrate a facial method to approach high-performance PSCs.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 23","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869122","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
Synergistic Passivation of Bulk and Interfacial Defects Improves Efficiency and Stability of Inverted Perovskite Solar Cells 体积缺陷和界面缺陷的协同钝化提高了倒置钙钛矿太阳能电池的效率和稳定性
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-28 DOI: 10.1002/solr.202400658
Saikiran S. Khamgaonkar, Anny Leudjo Taka, Vivek Maheshwari
{"title":"Synergistic Passivation of Bulk and Interfacial Defects Improves Efficiency and Stability of Inverted Perovskite Solar Cells","authors":"Saikiran S. Khamgaonkar,&nbsp;Anny Leudjo Taka,&nbsp;Vivek Maheshwari","doi":"10.1002/solr.202400658","DOIUrl":"https://doi.org/10.1002/solr.202400658","url":null,"abstract":"<p>\u0000Defects both in bulk and at the interfaces serve as charge trapping sites for nonradiative recombination and as ion migration pathways, resulting in degradation of perovskite solar cell efficiency and stability. In this work, a strategy for simultaneous passivation of both bulk and interfacial defects is reported. For bulk passivation polystyrene (PS) is used as an additive in the perovskite precursor which reduces the structural defects by forming larger defect-free grains. While the F-PEAI cation is used to passivate the interfacial defects, present at both perovskite HTL/ETL interfaces. Furthermore, by conducting control measurements with just bulk modification (PS), just interface modification (F-PEAI), and a combination of both, the role of individual defect passivation strategies is decoupled. As a result of simultaneous bulk as well as interfacial passivation, the modified perovskite solar cell shows the highest efficiency of 22.32% with a high <i>V</i><sub>oc</sub> of 1.14 V and fill factor of 80%. Moreover, the cells have excellent stability retaining 92% and 99% of their initial efficiency after 1008 h and 560 h under ISOS- D1 and D2 storage conditions. These results highlight the importance of simultaneous bulk and interfacial passivation for improving solar cell efficiency and stability.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 23","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.202400658","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869131","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
Graphdiyne-Based Nickel–Cobalt Bimetallic Sulfide Cocatalyst for Efficient Photocatalytic Hydrogen Evolution 石墨烯基镍钴双金属硫化物助催化剂的高效光催化析氢
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-28 DOI: 10.1002/solr.202400600
Bingzhu Li, Xiaohua Ma, Minjun Lei, Tian Wang, Zhiliang Jin
{"title":"Graphdiyne-Based Nickel–Cobalt Bimetallic Sulfide Cocatalyst for Efficient Photocatalytic Hydrogen Evolution","authors":"Bingzhu Li,&nbsp;Xiaohua Ma,&nbsp;Minjun Lei,&nbsp;Tian Wang,&nbsp;Zhiliang Jin","doi":"10.1002/solr.202400600","DOIUrl":"https://doi.org/10.1002/solr.202400600","url":null,"abstract":"<p>Initially, CoNiS<sub><i>x</i></sub> is synthesized on the graphdiyne (GDY) surface through a precipitation method, followed by the straightforward physical stirring approach to attach CoNiS<sub><i>x</i></sub>/GDY to the maple leaf CdS. This synthesis method significantly mitigates the accumulation of CoNiS<sub><i>x</i></sub>/GDY and concurrently augments the count of sites that are active for generating hydrogen. This three-phase composite demonstrates exceptional performance in the area of photocatalytic hydrogen production, achieving a hydrogen evolution rate of 15.37 mmol·h<sup>−1</sup> g<sup>−1</sup>. The employment of various characterization methodologies and density functional theory calculations have demonstrated the formation of a Z-scheme heterojunction forms between GDY and CdS. This discovery indicates that the combination of GDY and CdS markedly improves the photogenerated carrier separation capability of the composite catalyst. The cocatalyst CoNiS<sub><i>x</i></sub> loaded on GDY effectively accelerates the electron transfer from the conduction band of GDY, thereby reducing the photogenerated carrier complexation of GDY. This phenomenon results in an increased quantity of photogenerated electron holes engaged in the redox reaction, ultimately achieving exceptional photocatalytic performance.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 23","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869155","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
Satellite-Based Solar Irradiance Forecasting: Replacing Cloud Motion Vectors by Deep Learning
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-27 DOI: 10.1002/solr.202400475
Nils Straub, Steffen Karalus, Wiebke Herzberg, Elke Lorenz
{"title":"Satellite-Based Solar Irradiance Forecasting: Replacing Cloud Motion Vectors by Deep Learning","authors":"Nils Straub,&nbsp;Steffen Karalus,&nbsp;Wiebke Herzberg,&nbsp;Elke Lorenz","doi":"10.1002/solr.202400475","DOIUrl":"https://doi.org/10.1002/solr.202400475","url":null,"abstract":"<p>\u0000Satellite-based (SAT) methods are widely used to forecast surface solar irradiance up to several hours ahead. Herein, a cloud index-based version of the Heliosat method is applied to infer irradiance from Meteosat Second Generation images. The cloud index (CI) is derived from images in the visible range and quantifies the impact of clouds on surface solar irradiance. Conventional SAT methods utilize cloud motion vectors (CMVs) from consecutive CI images to predict future cloud conditions and subsequently retrieve irradiance. In this study, HelioNet is introduced—a convolutional neural network (CNN) with UNet architecture designed to predict future CI situations from sequences of preceding CI images. Forecasts of two HelioNet configurations are benchmarked against CMV and persistence over a full year (2023), with lead times (LT) up to 4 h. HelioNet<sub>15 min</sub> recursively generates forecasts at 15 min resolution. HelioNet<sub>hybrid</sub> begins with forecasts at 15 min resolution for <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <mtext>LT</mtext>\u0000 <mo>≤</mo>\u0000 <mn>45</mn>\u0000 <mtext> min</mtext>\u0000 </mrow>\u0000 <annotation>$text{LT} leq 45 text{ min}$</annotation>\u0000 </semantics></math>, then uses a 45 min resolved model to forecast all remaining LT steps. HelioNet<sub>15 min</sub> achieves root mean square error (RMSE) improvements of &gt;15% over the CMV model within the first hour on image level. HelioNet<sub>hybrid</sub> shows superior performance for all LT across all metrics considered, with an average RMSE improvement of &gt;11% on image and 8% at irradiance level.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 24","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.202400475","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143253493","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
Investigation of Grain Growth in Chalcopyrite CuInS2 Photoelectrodes Synthesized under Wet Chemical Conditions for Bias-Free Photoelectrochemical Water Splitting 研究在湿化学条件下合成的黄铜矿 CuInS2 光电极中的晶粒生长,以实现无偏光电化学水分离
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-25 DOI: 10.1002/solr.202470201
Sang Youn Chae, Noyoung Yoon, Minki Jun, Sung Hyun Hur, Myeongjae Lee, BongSoo Kim, Jin Young Kim, Eun Duck Park, Jong Hyeok Park, Oh Shim Joo
{"title":"Investigation of Grain Growth in Chalcopyrite CuInS2 Photoelectrodes Synthesized under Wet Chemical Conditions for Bias-Free Photoelectrochemical Water Splitting","authors":"Sang Youn Chae,&nbsp;Noyoung Yoon,&nbsp;Minki Jun,&nbsp;Sung Hyun Hur,&nbsp;Myeongjae Lee,&nbsp;BongSoo Kim,&nbsp;Jin Young Kim,&nbsp;Eun Duck Park,&nbsp;Jong Hyeok Park,&nbsp;Oh Shim Joo","doi":"10.1002/solr.202470201","DOIUrl":"https://doi.org/10.1002/solr.202470201","url":null,"abstract":"<p><b>Photoelectrochemical Water Splitting</b>\u0000 </p><p>In article number 2400518, Eun Duck Park, Jong Hyeok Park, Oh Shim Joo, and co-workers introduce a CuInS<sub>2</sub> photoelectrode synthesized by a scalable wet chemical spin-coating technique. Ag doping greatly spurred the grain growth of CuInS<sub>2</sub>, resulting in high photoelectrochemical activity. Bias-free water splitting was demonstrated in a photovoltaic–photoelectrochemical cell, showing the potential of this approach for efficient hydrogen production.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 20","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.202470201","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142555448","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
Wide Bandgap Donor can Offer High-Efficiency LED Indoor Organic Photovoltaic with Indium-Doped Zinc Oxide Electron Transport Layer 宽禁带给体可提供掺铟氧化锌电子传输层的高效率LED室内有机光伏
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-24 DOI: 10.1002/solr.202400536
Hyeong Won Lee, Swarup Biswas, Hyojeong Choi, Yongju Lee, Hyeok Kim
{"title":"Wide Bandgap Donor can Offer High-Efficiency LED Indoor Organic Photovoltaic with Indium-Doped Zinc Oxide Electron Transport Layer","authors":"Hyeong Won Lee,&nbsp;Swarup Biswas,&nbsp;Hyojeong Choi,&nbsp;Yongju Lee,&nbsp;Hyeok Kim","doi":"10.1002/solr.202400536","DOIUrl":"https://doi.org/10.1002/solr.202400536","url":null,"abstract":"<p>Indoor organic photovoltaic (OPV) cells offer a compelling solution for powering diverse electronic devices integrated into the Internet of Things (IoT) network. They are prized for their robust power conversion efficiency (PCE), mechanical resilience, and ultra-thin nature. The recent surge in inverted-structure OPVs reflects their enhanced stability over conventional designs. Despite the advantage, their adaptation for indoor light utilization remains underexplored. Optimal selection of an electron transport layer (ETL) with precise energy band alignment is critical in this system. Herein, an inverted-structured OPV is fabricated utilizing PBDB-T as the wide bandgap donor, with a focus on enhancing its PCE under 1000 lx LED illumination through the doping of the zinc oxide- (ZnO-) based ETL with indium (In). The results indicate that the device utilizing undoped ZnO as the ETL achieves a peak PCE of 9.42% under these specified conditions. Conversely, the OPV utilizing In-doped ZnO as the ETL achieves a significantly higher PCE of 29.78% with 5 at% In, indicates the usefulness of ETL doping by In. This may be caused by the tuning of energy band alignment, improvement in electron mobility, and reduction in surface roughness of ZnO by In doping.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 22","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142749167","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
Camphorsulfonic-Salified Chitosan Allowing MACl-Free Stabilization of Pure FAPbI3 α-Phase via Gravure Printing in Ambient Air 樟脑磺酸盐化壳聚糖使纯FAPbI3 α-相在环境空气中无macl稳定
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-24 DOI: 10.1002/solr.202400612
Nadir Vanni, Antonella Giuri, Mario Calora, Edoardo Podda, Anna Paola Caricato, Katia Sparnacci, Riikka Suhonen, Mari Ylikunnari, Amanda Covarelli, Luca Gregori, Filippo De Angelis, Gianluigi Marra, Paolo Biagini, Riccardo Po, Aurora Rizzo
{"title":"Camphorsulfonic-Salified Chitosan Allowing MACl-Free Stabilization of Pure FAPbI3 α-Phase via Gravure Printing in Ambient Air","authors":"Nadir Vanni,&nbsp;Antonella Giuri,&nbsp;Mario Calora,&nbsp;Edoardo Podda,&nbsp;Anna Paola Caricato,&nbsp;Katia Sparnacci,&nbsp;Riikka Suhonen,&nbsp;Mari Ylikunnari,&nbsp;Amanda Covarelli,&nbsp;Luca Gregori,&nbsp;Filippo De Angelis,&nbsp;Gianluigi Marra,&nbsp;Paolo Biagini,&nbsp;Riccardo Po,&nbsp;Aurora Rizzo","doi":"10.1002/solr.202400612","DOIUrl":"https://doi.org/10.1002/solr.202400612","url":null,"abstract":"<p>\u0000Metal–halide perovskites have gained extreme interest in the photovoltaic field with formamidinium lead iodide (FAPbI<sub>3</sub>) currently being one of the best-performing materials for single-junction solar cells. Despite the outstanding record efficiencies, there are still several major issues hindering the large-scale fabrication of perovskite solar cells. The vulnerability to environmental agents along with the need of controlled atmosphere and crystallization aids for the perovskite film deposition represents the major roadblocks. This is particularly true for FAPbI<sub>3</sub> for which the thermodynamically stable phase at room temperature is photovoltaically inactive δ-phase. To address those challenges, herein, a camphorsulfonic-salified chitosan is specifically designed with the aid of DTF calculations to strongly interact with the perovskite and, as a result, improve the morphology and optoelectronic quality of the FAPbI<sub>3</sub>. Thanks to the numerous interactions and then the modulation of the solution viscosity, FAPbI<sub>3</sub> devices are fabricated by gravure printing deposition without either antisolvent bath or inclusion of methylammonium chloride (MACl) as additive. The gravure-printed devices with the chitosan feature an enhanced efficiency and stability in air, retaining 80% of the original efficiency after 1200 h in ambient air without any encapsulation.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 22","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.202400612","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142749166","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
Tuning Perovskite Crystal Growth Dynamics Using Additives on Textured Silicon Substrates
IF 6 3区 工程技术
Solar RRL Pub Date : 2024-10-24 DOI: 10.1002/solr.202400471
Mohamed A. A. Mahmoud, Oussama Er-Raji, Bhushan P. Kore, Martin Bivour, Patricia S. C. Schulze, Stefan W. Glunz, Andreas W. Bett, Juliane Borchert
{"title":"Tuning Perovskite Crystal Growth Dynamics Using Additives on Textured Silicon Substrates","authors":"Mohamed A. A. Mahmoud,&nbsp;Oussama Er-Raji,&nbsp;Bhushan P. Kore,&nbsp;Martin Bivour,&nbsp;Patricia S. C. Schulze,&nbsp;Stefan W. Glunz,&nbsp;Andreas W. Bett,&nbsp;Juliane Borchert","doi":"10.1002/solr.202400471","DOIUrl":"https://doi.org/10.1002/solr.202400471","url":null,"abstract":"<p>Double-sided textured silicon solar cells with micrometer-sized pyramid structure are used as bottom cells in monolithic tandem structures to decrease reflection losses. As top cell material, frequently perovskites are used. In this work, various additives are investigated to enhance the perovskite absorber quality, as a top cell fabricated using the hybrid route. In the context of the hybrid route, it is found that urea or methylammonium chloride (MACl) can effectively increase the grain size and improve the absorber quality, while formamidinium chloride (FACl) cannot. With urea, the crystallization can be tuned without leaving any voids in the film (unlike MACl). However, when annealed at a high annealing temperature, the excessive crystal growth with urea causes non-conformal coating and high defect density. By adjusting the annealing conditions and additive concentration, the crystal growth of the perovskite top cell on the micrometer-sized silicon pyramids can be fine-tuned, ensuring that the perovskite layer conformally coated the pyramids. The use of additives not only improves crystallization but also enhances the conversion of the inorganics, particularly at the hole transport layer (HTL) interface. Moreover, this work contributes to a better understanding of perovskite crystallization dynamics and how to control it, especially on textured substrates.</p>","PeriodicalId":230,"journal":{"name":"Solar RRL","volume":"8 24","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/solr.202400471","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143253285","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
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