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Black-to-Transmissive poly(vinyltriphenylamine) allowing multicolor electrochromic display 黑透射聚(乙烯基三苯胺),允许多色电致变色显示
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-17 DOI: 10.1016/j.solmat.2025.113721
Loïc Gourmelen , Xavier Sallenave , Pierre-Henri Aubert , Vincent Denis , Frédéric Vidal
{"title":"Black-to-Transmissive poly(vinyltriphenylamine) allowing multicolor electrochromic display","authors":"Loïc Gourmelen ,&nbsp;Xavier Sallenave ,&nbsp;Pierre-Henri Aubert ,&nbsp;Vincent Denis ,&nbsp;Frédéric Vidal","doi":"10.1016/j.solmat.2025.113721","DOIUrl":"10.1016/j.solmat.2025.113721","url":null,"abstract":"<div><div>The field of electrochromic materials has been the subject of extensive research, with a particular focus on the development of strategies for precise color tuning. To date, two principal routes of investigation have been pursued. The initial approach involves the synthesis of the electrochromic material with the desired color, employing chemical engineering to achieve the targeted color. The second approach involves utilizing the electrochromic material as a shutter, alternating between achromatic and black states, with the device color corresponding to that of the electrolyte when the polymer is in its achromatic states. In this study, we propose a novel approach that combines the two aforementioned technologies. This novel approach offers straightforward access to bi- and trichromatic devices. The electrochromic material utilized in this study is a conjugated polymer, poly (vinyltriphenylamine) (PVTPA), which exhibits three distinct colorimetric states depending on the applied potential: achromatic, ochre, and black. This study reports the synthesis of the monomer and the polymer, as well as the electro-optical characteristics of PVTPA. The easy integration of PVTPA into devices is demonstrated by the development of bi- and trichromatic displays using different colored membranes (white, turquoise, and orange). Additionally, the switching times and color coordinates of these displays are assessed. The combination of an easily accessible electrochromic polymer and the use of colored membranes provides easy access to trichromatic devices with multiple color options.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113721"},"PeriodicalIF":6.3,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Feasible study of chemical oxidized SS304 sheets as solar selective absorbers for flat plate collectors & performance validation in solar water heater systems 化学氧化SS304薄板作为平板集热器太阳能选择性吸收体的可行性研究及在太阳能热水器系统中的性能验证
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI: 10.1016/j.solmat.2025.113712
Md Nishar, K.K. Phani Kumar, S.R. Atchuta, Shanmugasundaram Sakthivel
{"title":"Feasible study of chemical oxidized SS304 sheets as solar selective absorbers for flat plate collectors & performance validation in solar water heater systems","authors":"Md Nishar,&nbsp;K.K. Phani Kumar,&nbsp;S.R. Atchuta,&nbsp;Shanmugasundaram Sakthivel","doi":"10.1016/j.solmat.2025.113712","DOIUrl":"10.1016/j.solmat.2025.113712","url":null,"abstract":"<div><div>Solar water heater (SWH) systems play a crucial role in utilizing renewable solar energy for domestic hot water generation, offering a sustainable alternative to conventional heating methods. Flat plate collectors (FPCs), a widely used configuration in SWH systems, rely heavily on the efficiency of the absorber surface to maximize solar energy capture and minimize thermal losses. In this study, a cost-effective and scalable solution was developed using chemically oxidised stainless steel 304 (SS 304) sheets as the absorber material for flat plate collectors. The chemically treated SS 304 surfaces exhibited a nanoporous oxide morphology, which significantly enhanced light trapping and solar radiation absorption. Optimised samples demonstrated high solar absorptance (α) in the range of 0.89–0.91 and low thermal emittance (<em>ε</em>) between 0.20 and 0.30, indicating a favorable balance for efficient solar thermal conversion. To ensure practical applicability, the chemical oxidation process was scaled up to coat 2-m-long SS 304 sheets, which were used to build a 1 × 2-m flat plate collector integrated into a thermosiphon-based solar water heater. Repeatable field tests showed an average thermal efficiency of 37.3 %, with low uncertainty less than 2 %. Multiple real field testing under different solar radiation conditions confirmed the consistency and durability of the coating performance. The findings underscore the potential of this low-cost, scalable approach for large-scale solar thermal applications, particularly in regions where affordability and ease of fabrication are critical.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113712"},"PeriodicalIF":6.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144068821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic color display with tuneable gamut by surface resistance control in ITO-based electrochromic devices 基于ito的电致变色器件的表面电阻控制动态色域可调彩色显示
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI: 10.1016/j.solmat.2025.113720
Zhi Li , Long Yuan , Xiaotian Yang
{"title":"Dynamic color display with tuneable gamut by surface resistance control in ITO-based electrochromic devices","authors":"Zhi Li ,&nbsp;Long Yuan ,&nbsp;Xiaotian Yang","doi":"10.1016/j.solmat.2025.113720","DOIUrl":"10.1016/j.solmat.2025.113720","url":null,"abstract":"<div><div>Effect of surface resistance of transparent conductive layers on the plasmonic electrochromic devices is reported firstly. The resistance of ITO layer was tailored by a simple thermal treatment route. Low resistance ITO electrode dominate a cool color evolution scenario from transparent to bluish-green to black route, while that of high resistance counterpart show a warm color evolution route from transparent to yellowish-purple to black route. The transparency modulation rate increased from 66 % to 75 % after increasing the surface resistance from 8.17 to 90.14 Ω/sq. Mechanism accounts for the different electrochromic routes is attributed by the dynamic formation and dissolution of widely dispersed silver nanoparticle sizes of in the high-resistance devices than that of low-resistance devices. This work provide a feasible strategy for color gamut tailoring based on the resistance control over transparent conductive layer, which is important for design and fabrication new electrochromic devices.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113720"},"PeriodicalIF":6.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
One-step-fabricated flexible perovskite quantum dot solar cells via sequential ligand exchange 通过顺序配体交换一步制备柔性钙钛矿量子点太阳能电池
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI: 10.1016/j.solmat.2025.113722
Rufeng Wang , Jian Ni , Shuai Zhang , Miao Yan , Haoxuan Li , Xinyu Song , Guijun Li , Yaofang Zhang , Juan Li , Hongkun Cai , Jianjun Zhang
{"title":"One-step-fabricated flexible perovskite quantum dot solar cells via sequential ligand exchange","authors":"Rufeng Wang ,&nbsp;Jian Ni ,&nbsp;Shuai Zhang ,&nbsp;Miao Yan ,&nbsp;Haoxuan Li ,&nbsp;Xinyu Song ,&nbsp;Guijun Li ,&nbsp;Yaofang Zhang ,&nbsp;Juan Li ,&nbsp;Hongkun Cai ,&nbsp;Jianjun Zhang","doi":"10.1016/j.solmat.2025.113722","DOIUrl":"10.1016/j.solmat.2025.113722","url":null,"abstract":"<div><div>Flexible perovskite solar cells (f-PSCs) are desired for portable electronic applications owing to their light weight and high power-to-weight properties. Nevertheless, the development of perovskite quantum dots (PQDs)-based flexible solar cells is still lagging behind. Herein, a sequential ligand exchange strategy induced by dipropylamine (DPA) and benzoic acid (BA) is proposed to treat the surface chemistry of FAPbI<sub>3</sub> PQDs, which enables to realize efficient and stable flexible PQD solar cells through one-step-fabricated techniques. The FAPbI<sub>3</sub> PQD films exhibit enhanced electronic coupling and suppressed carrier non-radiation recombination, contributing to the efficient flexible FAPbI<sub>3</sub> PQD solar cells with an impressive power conversion efficiency (PCE) of 12.13 % (14.27 % on the rigid substrate) on a 0.06 cm<sup>2</sup> scale, 11.13 % on a 0.12 cm<sup>2</sup> scale, 10.33 % on a 0.49 cm<sup>2</sup> scale, and 9.96 % on a 0.98 cm<sup>2</sup> scale, along with improved environmental stability. Meanwhile, the corresponding flexible PQD device maintained ∼90 % of its initial PCE after 100 bending cycles (7 mm bending radius). Moreover, systematic studies further reveal that ligand-capped PQDs exhibit extraordinary mechanical stability compared to bulk thin films, compatible well with flexible photovoltaic applications. This work contributes to a new avenue for developing high-performance QD flexible electronics in the foreseeable future.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113722"},"PeriodicalIF":6.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization and comparative study of hemispherical solar stills using welded wire mesh as a secondary porous absorber– Part II: Impact of varying positions in water basins 采用焊接网作为二次多孔吸收器的半球形太阳能蒸馏器的优化和比较研究。第二部分:不同位置对流域的影响
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI: 10.1016/j.solmat.2025.113688
Yaser H. Alahmadi , Mohammed El Hadi Attia , K. Harby , Mohamed Abdelgaied
{"title":"Optimization and comparative study of hemispherical solar stills using welded wire mesh as a secondary porous absorber– Part II: Impact of varying positions in water basins","authors":"Yaser H. Alahmadi ,&nbsp;Mohammed El Hadi Attia ,&nbsp;K. Harby ,&nbsp;Mohamed Abdelgaied","doi":"10.1016/j.solmat.2025.113688","DOIUrl":"10.1016/j.solmat.2025.113688","url":null,"abstract":"<div><div>In this part, Part II, of a two-part investigation, an experimental study was conducted to improve the performance of hemispherical solar stills by introducing a novel and cost-effective technique. This approach involved integrating a welded wire mesh as an additional porous absorber within the water basin. Three configurations of the wire mesh placement were examined (at the base, in the middle, and submerged under the water surface) to determine the optimal position for maximizing daily water production. The proposed wire mesh functions as both a heat storage medium and a secondary porous absorber, increasing the surface area and enhancing the absorption, transmission, and storage of heat energy, thereby improving the overall productivity. The wire steel mesh used in this study is readily available and can be easily obtained from industrial and workshop scrap materials. Four hemispherical solar stills were designed and tested. Four hemispherical solar stills were designed and tested. The first served as a reference, while the others incorporated the proposed wire meshes at three designated positions. Results showed that positioning the porous absorber at the water surface yielded the highest distillate output and best performance. The yield of distillers with a second porous absorber at the base, middle, and surface reached 5.38, 7.00, and 8.06 lm<sup>−2</sup>day<sup>−1</sup>, corresponding to increases of 7.59, 40.08, and 61.11 %, respectively, compared to the conventional design. Furthermore, improvements in energy and exergy efficiencies ranged from 7.49 to 60.48 % and from 16.20 to 119.46 %, respectively, depending on the absorber position. Economic analysis indicated a reduction in water production costs by 1.611–34.27 %, alongside a decrease in CO<sub>2</sub> emissions from 3.47 to 2.40 tons, and a significant reduction in energy payback time by 49.29–60.19 %.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113688"},"PeriodicalIF":6.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144068820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of impurities and OH-group content on viscosity, cristobalite formation and bubble evolution in fused quartz crucibles at temperatures for Czochralski process 杂质和oh -含量对熔融石英坩埚粘度、方英石形成和气泡演化的影响
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI: 10.1016/j.solmat.2025.113707
Gabriela Kazimiera Warden , Arthika Sivananthan , Astrid Marthinsen , Petra Ebbinghaus , Martin Rabe , Mari Juel , Bartłomiej Adam Gaweł , Andreas Erbe , Marisa Di Sabatino
{"title":"Influence of impurities and OH-group content on viscosity, cristobalite formation and bubble evolution in fused quartz crucibles at temperatures for Czochralski process","authors":"Gabriela Kazimiera Warden ,&nbsp;Arthika Sivananthan ,&nbsp;Astrid Marthinsen ,&nbsp;Petra Ebbinghaus ,&nbsp;Martin Rabe ,&nbsp;Mari Juel ,&nbsp;Bartłomiej Adam Gaweł ,&nbsp;Andreas Erbe ,&nbsp;Marisa Di Sabatino","doi":"10.1016/j.solmat.2025.113707","DOIUrl":"10.1016/j.solmat.2025.113707","url":null,"abstract":"<div><div>Monocrystalline silicon production can be made more efficient by extending lifetime of fused quartz crucibles used in the Czochralski process. We investigated how viscosity, OH-group content and metallic impurity content affect cristobalite formation and bubble evolution, and how cristobalite formation affects bubble growth and OH-groups removal by investigating three different crucible types. The different crucible parameters and properties were measured before and after heat treatment of 6, 12 and 18 h at 1500°C. Crucibles were characterized by: viscosity measurements at 1500 °C, micro-computed tomography, IR-microscopy, ICP-MS and optical microscopy. Experimental investigations were complemented by modelling to predict the bubble evolution during heat treatment. The bubble evolution was found to be strongly dependent on OH-group content, viscosity, impurity content and cristobalite formation kinetics, where the OH-dissolution within the crucible during heat treatment was found to be the main contributor to bubble's growth. Cristobalite formation was found to be affected by OH-group content and metallic impurity content, especially barium. In all the samples, irrespective of their sand treatment, the dominating mechanism of bubble evolution during the first hours of heat treatment was the nucleation of new bubbles. In the subsequent hours of heat treatment, the dominating mechanisms were bubble growth and their coalescence. Overall, the optimal combination of different process parameters was found for the chlorinated crucible, which exhibited highest viscosity, lower initial OH-groups content, slower bubble growth and enhanced cristobalite formation at the surface, which would all contribute to a better stability and extended crucible lifetime during the Czochralski process.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113707"},"PeriodicalIF":6.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a non-selective solar absorber coating material based on cristobalite and amorphous silica phases for solar thermal applications 基于方石石和非晶硅相的非选择性太阳能吸收体涂层材料的研制
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI: 10.1016/j.solmat.2025.113716
Piyumi Ahinsa Jayamini Henapola , Tanyakorn Muangnapoh , Krissada Surawathanawises , Tippawan Sodsai , Pakorn Opaprakasit , Bhawat Traipattanakul
{"title":"Development of a non-selective solar absorber coating material based on cristobalite and amorphous silica phases for solar thermal applications","authors":"Piyumi Ahinsa Jayamini Henapola ,&nbsp;Tanyakorn Muangnapoh ,&nbsp;Krissada Surawathanawises ,&nbsp;Tippawan Sodsai ,&nbsp;Pakorn Opaprakasit ,&nbsp;Bhawat Traipattanakul","doi":"10.1016/j.solmat.2025.113716","DOIUrl":"10.1016/j.solmat.2025.113716","url":null,"abstract":"<div><div>Despite advancements in solar selective coatings, wet-deposited non-selective coatings remain the most used in high-temperature (≥400 <span><math><mrow><mo>°C</mo></mrow></math></span>) solar thermal systems; however, the available options are limited and have been relatively underexplored in previous research studies. This study reports the synthesis and performance analysis of a non-selective solar absorber coating based on cristobalite and amorphous silica, designed for applications exceeding 400 <span><math><mrow><mo>°C</mo></mrow></math></span>. The coatings were fabricated via a scalable spray-coating method, combining a binder and absorber pigment derived from colloidal nano-silica particles and methyltrimethoxysilane, and were deposited onto stainless steel substrates. Thermal characterization confirmed the coating's stability up to 550 <span><math><mrow><mo>°C</mo><mtext>.</mtext></mrow></math></span> A high solar absorptivity of 0.94 was reported, with a retained value of approximately 0.90 after 72 h of continuous annealing at 400 <span><math><mrow><mo>°C</mo></mrow></math></span>, demonstrating strong thermal aging resistance. Under 2000 W/m<sup>2</sup> irradiance, the coated surface achieved a 40.1% thermal gain compared to bare stainless steel. These results demonstrate the viability of utilizing abundant, low-cost, and environmentally benign materials to develop thermally stable, non-selective solar absorber coatings with strong optical performance and long-term durability for high-temperature applications. This study further introduces the novel application of cristobalite and amorphous silica—materials rarely explored in solar thermal coatings—revealing their untapped potential as thermally robust and cost-effective alternatives to conventional absorber materials.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113716"},"PeriodicalIF":6.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal performance of gypsum plasters with paraffin–expanded vermiculite coated by composite cementitious materials for building temperature management 建筑温度管理用复合胶凝材料包覆石蜡膨胀蛭石石膏的热工性能
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-15 DOI: 10.1016/j.solmat.2025.113718
Zhengbo Yang , Li Wang , Jinhong Li , Hongxia Chen , Fazhou Wang , Shouwei Jian , Yixiu Xin
{"title":"Thermal performance of gypsum plasters with paraffin–expanded vermiculite coated by composite cementitious materials for building temperature management","authors":"Zhengbo Yang ,&nbsp;Li Wang ,&nbsp;Jinhong Li ,&nbsp;Hongxia Chen ,&nbsp;Fazhou Wang ,&nbsp;Shouwei Jian ,&nbsp;Yixiu Xin","doi":"10.1016/j.solmat.2025.113718","DOIUrl":"10.1016/j.solmat.2025.113718","url":null,"abstract":"<div><div>The reliance of the construction sector on conventional energy sources could be considerably reduced by optimising the utilisation of solar energy. Herein, an innovative gypsum-based composite incorporating a paraffin–expanded vermiculite phase-change material (PEVPCM) encapsulated with a composite cementitious material (CCM) was developed to address the persistent leakage challenges associated with phase-change materials (PCMs). The experimental results demonstrated that the integration of CCM into gypsum plaster enhanced the thermal energy–storage capacity and stability as well as mechanical properties of the resulting PEVPCM–gypsum composite. The CCM, comprising sulfoaluminate and calcium dialuminate, generated ettringite as its primary hydration product, enhancing the structural reinforcement and leakage mitigation in the composite system. The volume stability of the gypsum plaster was superior to that of an ordinary gypsum plaster, with a 44 % lower dimensional-change rate (0.05 % vs. 0.09 %). The melting and freezing latent heat of the considered gypsum plaster were 13.56 J/g and 12.71 J/g, respectively. Furthermore, the application of this advanced plaster reduced the room temperature by 0.5–1.5 °C, while temperature fluctuations in the test environment were approximately 2 °C, demonstrating its dual functionality in improving thermal comfort in living environments and reducing building energy consumption through passive thermal regulation. These findings underscore the material potential to be used in sustainable construction practices by enhancing the energy efficiency and structural durability of buildings.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113718"},"PeriodicalIF":6.3,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143947843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental and finite element modal analysis of photovoltaic modules for the design of next-generation vehicle-integrated PV applications 面向下一代车载集成光伏应用设计的光伏组件试验与有限元模态分析
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-15 DOI: 10.1016/j.solmat.2025.113683
Bin Luo , Simone Gallas , Cynthia Micallef , Jonathan Govaerts , Konstantinos Gryllias , Jef Poortmans
{"title":"Experimental and finite element modal analysis of photovoltaic modules for the design of next-generation vehicle-integrated PV applications","authors":"Bin Luo ,&nbsp;Simone Gallas ,&nbsp;Cynthia Micallef ,&nbsp;Jonathan Govaerts ,&nbsp;Konstantinos Gryllias ,&nbsp;Jef Poortmans","doi":"10.1016/j.solmat.2025.113683","DOIUrl":"10.1016/j.solmat.2025.113683","url":null,"abstract":"<div><div>Being different from terrestrial photovoltaic (PV), vibration response is critical to PV modules for vehicle applications, as dynamic loads lead to vibration responses in VIPV modules, which must be carefully considered during the structural design phase to prevent noise and fatigue failure. In this work, the experimental modal analysis on conventional glass-based and novel composite-based, lightweight PV module structures is investigated. First, the modal frequencies and mode shapes are determined by experimental modal analysis on different module structures with/without solar cell strings. Based on the experimental results, the solar cells have negligible influence on vibration response of glass-based PV panels, whereas their influence is non negligible for the considered lightweight panels. The lightweight panels show a higher number of modal frequencies within the 0–120 Hz range and greater amplification factors for these modes compared to the glass-glass modules. The experimental results are used to update a finite element model and quantify its accuracy for the prediction of modal frequencies and shapes. The sensitivity analysis, based on the numerical modal, suggests the significance of skin material properties, i.e., thickness, Young's modulus and density. The findings highlight the challenges of implementing lightweight structures for vehicle applications and provide a fundamental understanding of vibration performance for next-generation VIPV applications.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113683"},"PeriodicalIF":6.3,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144068818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of deposition power of PECVD intrinsic a-Si:H buffer layer on n+ poly-Si/SiOx/c-Si passivating contacts PECVD本征a-Si:H缓冲层沉积功率对n+多晶硅/SiOx/c-Si钝化触点的影响
IF 6.3 2区 材料科学
Solar Energy Materials and Solar Cells Pub Date : 2025-05-15 DOI: 10.1016/j.solmat.2025.113709
Zhirong Yao , Wanyu Si , Yingwen Zhao , Paul Procel Moya , Engin Özkol , Guangtao Yang , Prasad Gonugunta , Prasaanth Ravi Anusuyadevi , Peyman Taheri , Olindo Isabella
{"title":"Influence of deposition power of PECVD intrinsic a-Si:H buffer layer on n+ poly-Si/SiOx/c-Si passivating contacts","authors":"Zhirong Yao ,&nbsp;Wanyu Si ,&nbsp;Yingwen Zhao ,&nbsp;Paul Procel Moya ,&nbsp;Engin Özkol ,&nbsp;Guangtao Yang ,&nbsp;Prasad Gonugunta ,&nbsp;Prasaanth Ravi Anusuyadevi ,&nbsp;Peyman Taheri ,&nbsp;Olindo Isabella","doi":"10.1016/j.solmat.2025.113709","DOIUrl":"10.1016/j.solmat.2025.113709","url":null,"abstract":"<div><div>Optimizing the deposition parameters in the fabrication of passivating contacts for crystalline silicon solar cells is critical for improving efficiency. This study explored the influence of varying RF power of Plasma-Enhanced Chemical Vapor Deposition (PECVD) on the quality of hydrogenated intrinsic amorphous silicon (&lt;i&gt; a-Si:H) films. The aim is to manufacture in-situ phosphorous-doped poly-Si/SiO<sub><em>x</em></sub>/c-Si passivating contacts with &lt;i&gt; a-Si:H as buffer layer between the tunnelling oxide and the n-type poly-Si. The microstructure factor of our intrinsic layers increases from 0.176 to 0.804, that is from higher to lower film density, as the RF power increases from 5 W to 55 W. Analysis using X-ray Photoelectron Spectroscopy and Optical Microscopy indicates that the Si content in SiO<sub><em>x</em></sub> is correlated with the formation of pinholes. Our detailed analysis showed that varying the RF power when depositing &lt;i&gt; a-Si:H contacting layer is crucial in altering both the Si<sup>4+</sup> content in SiO<sub><em>x</em></sub> and the pinhole density, due to the interplay between the plasma etching and the buffering effects during of the &lt;i&gt; a-Si:H layer growth. Notably, the sample processed with 25 W exhibited the maximum pinhole density, the lowest Si<sup>4+</sup> content in SiO<sub><em>x</em></sub> and the deepest phosphorus in-diffusion, potentially yielding superior results in passivation quality and contact resistivity under optimized PECVD conditions.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"290 ","pages":"Article 113709"},"PeriodicalIF":6.3,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144068815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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