Solar Energy最新文献

{"title":"Damage modeling of power tower receiver tubes using the SRLIFE tool","authors":"Jacob Wenner ,&nbsp;Mark C. Messner ,&nbsp;Michael J. Wagner","doi":"10.1016/j.solener.2025.113627","DOIUrl":"10.1016/j.solener.2025.113627","url":null,"abstract":"<div><div>Concentrating Solar Power (CSP) molten-salt central receivers are subject to high, transient incident flux during daily operation. The resulting creep-fatigue damage impacts the receiver’s reliability and restricts the permissible incident flux distribution for a given receiver. This paper aims to reduce CSP plants’ levelized cost of electricity by developing a methodology to predict lifetime and identifies the primary damage mechanism (creep vs fatigue) for any given fluid temperature and temperature gradient. Results are presented in the form of a damage map that serves as a valuable operation guide and design tool. Damage maps can be used to reduce maintenance costs by improving reliability and reduce receiver capital costs by better utilizing the receiver area. FEA simulation and damage modeling of tubes subject to asymmetrical flux conditions is performed in the open-source receiver design tool <span>srlife</span>. Parametric studies are performed over a range of inner tube temperatures and thermal gradients for A230, 316H, 740H, A282, A617, and 800H high temperature alloys. Damage maps are presented for each alloy. A parametric, FEA-based methodology is presented for comparison of fatigue-creep ratios and prediction of tube lifetime based on the critical thermal operating conditions. Fatigue is found to be negligible compared to creep for almost every case. This finding suggests that fatigue effects associated with cloud events are insignificant compared to creep at these high temperature operating conditions. Additionally, lifetime predictions identify thermal conditions where small changes in operating conditions can result in large changes in predicted lifetime.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113627"},"PeriodicalIF":6.0,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144291440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Active learning driven multi-property inverse design of spinel solar cells","authors":"Hange Wang ,&nbsp;Hongyu Liu ,&nbsp;Xiaolin Liu ,&nbsp;Lin Peng ,&nbsp;Jiang Wu ,&nbsp;Jia Lin","doi":"10.1016/j.solener.2025.113703","DOIUrl":"10.1016/j.solener.2025.113703","url":null,"abstract":"<div><div>Spinel materials offer promising potential for solar cell applications due to their highly tunable compositions and unique structures. However, developing efficient and stable spinel solar cells is hindered by data scarcity and the challenge of meeting multi-property requirements through traditional experimental and data-mining approaches. To address these limitations, we developed a comprehensive multi-property inverse design framework that integrates active learning to mitigate data scarcity and inverse design to efficiently identify optimal spinel compositions using the most informative data points. Within this framework, we applied a Multi-Task Gradient Boosting Machine model, which simultaneously predicts critical properties—bandgap values, bandgap type, and stability—achieving Area Under Curve scores of 0.86, 0.91, and 0.86, respectively. Leveraging this approach, we systematically explored over 10¹³ compositional combinations and identified 168 spinel materials<!--> <!-->that satisfy stringent criteria for high-performance solar cells. By employing interpretable machine learning techniques, we further analyzed the structure–property relationships of these materials, yielding actionable insights for targeted material design. This work not only accelerates the discovery of advanced spinel-based solar cells but also establishes a versatile strategy applicable to the design of other functional materials.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113703"},"PeriodicalIF":6.0,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144298615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Kirigami-inspired novel photovoltaic shading facade: multi-objective optimization of energy consumption, daylighting, thermal comfort, visual comfort, and landscape view","authors":"Zongxin Qi ,&nbsp;Ziwei Wan ,&nbsp;Lingrui Li ,&nbsp;Qingsong Ma ,&nbsp;Weijun Gao ,&nbsp;Xindong Wei","doi":"10.1016/j.solener.2025.113692","DOIUrl":"10.1016/j.solener.2025.113692","url":null,"abstract":"<div><div>With rising global building energy consumption, photovoltaic shading facades (PVSFs) have gained attention for their dual function of solar radiation control and electricity generation. However, most of existing PVSFs are simple louver structures, lacking in-depth exploration of complex aesthetic design and PV self-shading issues, and have repeated evaluation of the schemes. Inspired by kirigami, this paper designed a novel lightweight honeycomb PVSF, aiming to improve the indoor environment and energy consumption while improving the efficiency of photovoltaic power generation (PVPG). The study also comprehensively considers comfort and view, and combines criteria importance through intercriteria correlation (CRITIC) and analytic hierarchy process (AHP) to assign weights, aiming to improve the accuracy of decision making. Results showed that the optimal solution improved net EUI, UDIe, UDI_100-3000, and TCP by 20.1%, 70.8%, 5.4%, and 23%, respectively, compared to the baseline. The view reached 19.75%, within the user-acceptable range; the PV self-shading rate was only 4.7%, significantly lower than traditional PV blinds. Compared with single-objective optimization, the multi-objective optimization (MOO) scheme demonstrated superior overall performance. Sensitivity analysis showed that the number of vertical grids had the greatest impact, and bond length had the smallest impact, but it did not have a negative impact on other objectives. Climate adaptability analysis showed that honeycomb PVSF effectively optimized energy consumption and indoor environment, but had limitations in cold regions such as Changchun. The research results have demonstrated the advantages of the novel PVSF and optimized MOO process, and provide a reference for PVSF design and MOO.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113692"},"PeriodicalIF":6.0,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144291333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Central receiver-based concentrated solar power plants part 1: A historical review","authors":"Brenda Hernández ,&nbsp;Nicolas Lopez Ferber ,&nbsp;Muhammad Abdullah ,&nbsp;Ahmad Mayyas ,&nbsp;Nicolas Calvet ,&nbsp;Matteo Chiesa","doi":"10.1016/j.solener.2025.113693","DOIUrl":"10.1016/j.solener.2025.113693","url":null,"abstract":"<div><div>Central receiver-based systems in concentrated solar power (CR-CSP) have evolved significantly from their early beginnings with grid-connected plants in the early 80 s to a growing share of commercial deployments aiming to be competitive in the energy transition era. This paper presents a historical review of CR-CSP solar tower projects worldwide, emphasizing key technological milestones, deployment trends, and innovation phases from early demonstration plants to modern hybrid configurations at plant level. The major contributions of this paper are the graphical timeline of central receiver projects (visually mapping the emergence, decline, resurgence, and current standardization of CR-CSP systems), and the categorization of plants based on system configuration into four main categories considering: system configuration, heat transfer fluid, thermal energy storage method, and deployment model (stand-alone, co-location, and hybrid). To support the analysis, a dual-stream methodology was adopted, combining a literature-based review of historical development with a database-driven analysis of current and under-construction CR-CSP plants. The work contextualizes the evolution of CR-CSP technologies and identifies strategic directions for the future direction of the technology. The findings highlight the importance of technology standardization, modular design, and stakeholder collaboration in reducing costs, improving scalability, and supporting low-carbon energy goals, guiding future CR-CSP development. guiding future CR-CSP development. This paper forms Part 1 of a two-part series. Part 2: Components Categorization and Future Prospects builds on this foundation by analyzing subsystem technologies and innovation pathways to guide future R&amp;D and deployment strategies.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113693"},"PeriodicalIF":6.0,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144291332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Role of wafer resistivity in silicon heterojunction solar cells performance: Some insights on carrier dynamics","authors":"Shrestha Bhattacharya,&nbsp;Ashutosh Pandey,&nbsp;Shahnawaz Alam,&nbsp;Silajit Manna,&nbsp;Sourav Sadhukhan,&nbsp;Son Pal Singh,&nbsp;Vamsi Krishna Komarala","doi":"10.1016/j.solener.2025.113702","DOIUrl":"10.1016/j.solener.2025.113702","url":null,"abstract":"<div><div>In this work, we show the n-type silicon wafer resistivity (doping concentration) variation effect on the power conversion efficiency (PCE) of silicon heterojunction (SHJ) solar cells aided by a detailed simulation study. Initially, to identify the recombination-induced loss mechanisms based on wafer resistivity, the effective minority carrier lifetimes (τ_eff) were analyzed. It revealed that τ_eff at the operating point of maximum power (MPP) is strongly influenced by the doping density in the wafer. The SRH recombination remains relatively invariant between the wafer resistivity range ∼ 0.8 to ∼ 4.5 Ω-cm with τ_SRH ∼ 7 ms, whereas Auger recombination is significantly enhanced (τ_Aug from ∼ 7 ms to ∼ 4 ms) in low resistivity wafers. Low wafer resistivity also has a positive impact on the built-in potential at the n-c-Si/p-a-Si:H interface, increasing MPP voltage (V_mpp), from ∼ 600 mV to ∼ 639 mV and a pFF from ∼ 81 % to ∼ 85 %. It is also verified with built-in potential variation estimation based on wafer doping concentration using the Mott-Schottky plot generated from capacitance-voltage measurements. TCAD 3D device simulations also clarify a narrow space charge region with field effect at the n-c-Si/p-a-Si:H interface with higher doping influencing V_mpp and pFF, which is verified by incorporating fixed bulk defect impurities in the wafer. Contact resistivity measurements also highlight reduced resistance contribution from wafer and electron-selective contacts from 0.114 Ω-cm² to 0.040 Ω-cm², leading to overall PCE of an SHJ cell from ∼ 21.8 % to ∼ 23.4 % with a low-resistivity wafer.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113702"},"PeriodicalIF":6.0,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144280988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Next-gen solar: revealing the promise of CsPbI3/CsSnI3 tandem cells","authors":"Mohamed Ait oufakir ,&nbsp;Rubayyi T. Alqahtani ,&nbsp;Younes Chrafih ,&nbsp;Abdelhamid Ajbar","doi":"10.1016/j.solener.2025.113665","DOIUrl":"10.1016/j.solener.2025.113665","url":null,"abstract":"<div><div>Tandem solar cells offer a wider photon absorption range, enabling greater efficiency compared to single junction counterparts. The upper cell efficiently captures high-<span><math><mrow><mi>energyphotons</mi></mrow></math></span>, while the lower <span><math><mrow><mi>cellabsorbslow</mi><mo>-</mo><mi>e</mi><mi>n</mi><mi>e</mi><mi>r</mi><mi>g</mi><mi>y</mi><mi>p</mi><mi>h</mi><mi>o</mi><mi>t</mi><mi>o</mi><mi>n</mi><mi>s</mi></mrow></math></span> filtered through the top layer. Achieving efficient, cost-effective, and durable solar cells requires the integration of absorber layers with optimal band gaps. This study presents a computational exploration of tandem <span><math><mrow><mi>perovskitesolarcellsusingSCAPS</mi><mo>-</mo><mn>1</mn><mi>D</mi><mi>s</mi><mi>i</mi><mi>m</mi><mi>u</mi><mi>l</mi><mi>a</mi><mi>t</mi><mi>i</mi><mi>o</mi><mi>n</mi><mi>s</mi></mrow></math></span> to improve device performance. The proposed dual-layer configuration features a top cell composed of ITO/ZnSe/CsPbI₃ and a bottom cell of ITO/ZnSe/CsSnI₃. The thickness of the perovskite CsPbI₃ layer in the top cell was optimized for peak performance, maximizing light absorption and enhancing charge carrier dynamics. Emission spectra from the first cell were utilized to guide the SCAPS-1D simulations for the second cell. The results reveal a notable <span><math><mrow><mi>fillfactor</mi><mo>(</mo><mi>F</mi><mi>F</mi><mo>)</mo></mrow></math></span> and an impressive <span><math><mrow><mi>powerconversionefficiency</mi><mo>(</mo><mi>P</mi><mi>C</mi><mi>E</mi><mo>)</mo></mrow></math></span> of 29.38%, underscoring the superiority of this tandem configuration over single-junction designs. These findings demonstrate the potential of tandem perovskite solar cells to drive next-generation photovoltaic technologies, fostering advancements in <span><math><mrow><mi>high</mi><mo>-</mo><mi>e</mi><mi>f</mi><mi>f</mi><mi>i</mi><mi>c</mi><mi>i</mi><mi>e</mi><mi>n</mi><mi>c</mi><mi>y</mi><mi>a</mi><mi>n</mi><mi>d</mi><mi>c</mi><mi>o</mi><mi>s</mi><mi>t</mi><mo>-</mo><mi>e</mi><mi>f</mi><mi>f</mi><mi>e</mi><mi>c</mi><mi>t</mi><mi>i</mi><mi>v</mi><mi>e</mi><mi>s</mi><mi>o</mi><mi>l</mi><mi>a</mi><mi>r</mi><mi>e</mi><mi>n</mi><mi>e</mi><mi>r</mi><mi>g</mi><mi>y</mi><mi>s</mi><mi>o</mi><mi>l</mi><mi>u</mi><mi>t</mi><mi>i</mi><mi>o</mi><mi>n</mi><mi>s</mi></mrow></math></span>.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"298 ","pages":"Article 113665"},"PeriodicalIF":6.0,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144289128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimization of hybrid solar/wind/biomass systems for sustainable heating in isolated mountainous areas of northern Morocco","authors":"Abdellah El-Maaroufi ,&nbsp;Mohammed Daoudi ,&nbsp;Rachid Ahl Laamara","doi":"10.1016/j.solener.2025.113683","DOIUrl":"10.1016/j.solener.2025.113683","url":null,"abstract":"<div><div>This study investigates the techno-economic and environmental feasibility of an integrated renewable energy system tailored for cold regions in northern Morocco. The main novelty of this work lies in the integration of PV, biomass generator (BMG), batteries, thermal load controller (TLC), and a biodiesel-based boiler specifically optimized for sustainable heating applications in isolated mountainous regions—a rarely studied configuration in the context of Morocco’s unique climatic and infrastructural constraints. Sensitivity analyses evaluated variations in solar irradiation, wind speed, and biodiesel fuel prices, demonstrating the system’s adaptability and cost-effectiveness. It achieves a Net Present Cost (NPC) of 16.476 billion dollars (B$) and could reduce CO₂ emissions by 4,989,457 tons/year compared to diesel systems. Biodiesel emerged as the most sustainable fuel option, aligning with Morocco’s renewable energy goals. The system’s flexibility in meeting seasonal energy demands, particularly for winter heating in Chefchaouen province, was highlighted. Further investigation into selling excess energy to the grid during summer months is proposed. This study underscores the hybrid system’s potential to enhance energy security, reduce environmental impact, and stimulate rural economic growth.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113683"},"PeriodicalIF":6.0,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144280986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pattern-free heliostat layout optimization using a modified Artificial Bee Colony Algorithms: Comparison between staggered and spiral layouts","authors":"Toufik Arrif,&nbsp;Mawloud Guermoui,&nbsp;Abdelfetah Belaid,&nbsp;Badraddine Bezza","doi":"10.1016/j.solener.2025.113694","DOIUrl":"10.1016/j.solener.2025.113694","url":null,"abstract":"<div><div>This study develops and presents a novel pattern-free heliostat layout optimization technique based on a modified Artificial Bee Colony (ABC), a metaheuristic optimization method. In this respect, the PS10 solar power tower plant in Sanlúcar la Mayor, Spain, is used to compare the performances of two field layout, staggered and spiral. The annual insolation weighted heliostat field efficiency is considered as objective function for field layout optimization. The ABC algorithm is modified and adapted to achieve the highest annual optical efficiency of the heliostat field. The mathematical model of the optical efficiency, encompassing, cosine, shading blocking, attenuation and interception factors, is developed and validated against published data. The optimization is performed for a constrained case, where all heliostats must be kept inside the original PS10′s outer perimeter. Compared to the original PS10, the findings indicate that for both spiral and staggered layouts, the insolation weighted optical efficiency has increased by 1.46% and 1.05%, respectively, with 8.72% and 7.76% reduction in heliostat field area and consequently a reduction in LCOE by 3.89% and 4.14%.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"299 ","pages":"Article 113694"},"PeriodicalIF":6.0,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144269459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of wind barrier height and porosity on dust deposition and power generation efficiency of photovoltaic arrays","authors":"Xinxin Gao,&nbsp;Zhiling Yang,&nbsp;Simukoko James","doi":"10.1016/j.solener.2025.113642","DOIUrl":"10.1016/j.solener.2025.113642","url":null,"abstract":"<div><div>Photovoltaic (PV) technology has seen widespread adoption in recent years as a clean and sustainable energy source. However, the deposition of dust particles on PV module surfaces can significantly reduce power generation efficiency. Wind barriers have proven effective in suppressing dust deposition, thereby improving the performance of PV panels. However, previous studies have been limited to two-dimensional conditions, focusing on dust deposition on individual PV panels, which fails to capture the airflow dynamics and array effects in real PV installations, and have largely overlooked the influence of wind barrier porosity on dust deposition. This study investigates the dust deposition process and characteristics of PV arrays influenced by wind barriers, considering variations in dust particle diameter, wind barrier height, and porosity. A computational fluid dynamics (CFD) approach is employed, using the shear stress transport (SST) k–ω turbulence model to simulate the airflow around the wind barriers and PV panels, while the discrete phase model (DPM) is used to model the deposition of dust particles. Numerical simulations show good agreement with experimental results within an acceptable margin of error, validating the reliability of the methodology. The results indicate that dust deposition rates on PV arrays decreased with increasing wind barrier height, reaching maximum values of 8.62 %, 7.98 %, 7.54 %, 7.27 %, and 6.47 %. The optimal wind barrier height was 2.5 m. Porous wind barriers effectively eliminate vortices around the PV panels and significantly reduce the deposition rate of fine particles, with an optimal porosity of 50 %. For large particles with a diameter of 200 μm, dust deposition on PV surfaces can be reduced by up to 29.32 %, while for fine particles with a diameter of 1 μm, the reduction can reach 55.66 %. The first row of PV panels is most significantly affected by the presence of wind barriers, with reductions in large and fine particle deposition reaching up to 49.48 % and 67.04 %, respectively. Furthermore, after 100 days of exposure, the presence of wind barriers reduced the maximum power generation efficiency loss of the photovoltaic array from 38.25 % to 23.85 %. The maximum efficiency losses of the modules from the first to the third rows under optimal porosity were 64.34 %, 23.11 %, and 13.48 %, respectively, with the first row exhibiting the most significant loss. These findings provide valuable insights for optimizing PV array design and dust mitigation strategies.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"298 ","pages":"Article 113642"},"PeriodicalIF":6.0,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144261274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"BiVO4 photoanode modified with p-type BiOBr and NiOOH as hole transfer layers for improved photoelectrocatalysis","authors":"Linqi Wang ,&nbsp;Guoli Zhou ,&nbsp;Zhixue Tian ,&nbsp;Zun Xie ,&nbsp;Linshuo Zhang ,&nbsp;Pan Li","doi":"10.1016/j.solener.2025.113685","DOIUrl":"10.1016/j.solener.2025.113685","url":null,"abstract":"<div><div>BiVO₄ stands out as a prime photoanode material for photoelectrocatalytic applications. Nevertheless, a critical challenge of BiVO₄ lies in its inefficient charge separation and kinetically limited oxygen evolution. To overcome the downsides of BiVO₄, a <em>p-n</em> heterojunction photoanode has been engineered through the electrodeposition of <em>p</em>-type BiOBr onto BiVO₄, followed by NiOOH co-catalyst modification. The integration of BiOBr and NiOOH with BiVO₄ boosts its photocurrent density to 0.96 mA/cm²(1.23 V vs. RHE), a 300 % enhancement relative to pure BiVO₄. Remarkably, the BiOBr/BiVO₄/NiOOH photoanode outperforms BiVO₄ for a 280 mV reduction of the onset potential and a 57 % reduction in charge transfer resistance. Furthermore, the IPCE at 350 nm increases dramatically from 11.6 % (BiVO₄) to 33.0 %, reflecting a 2.8-fold enhancement in light utilization. The significantly enhanced photoelectrocatalytic performance of the BiOBr/BiVO₄/NiOOH photoanode stems from the dual mechanism by the <em>p-n</em> heterojunction and the oxygen evolution co-catalyst, which establishes a unidirectional hole transport pathway from BiVO₄ through BiOBr to NiOOH, substantially reducing charge recombination losses and accelerating the oxygen evolution reactions. This study establishes a foundation for advancing composite photoanodes derived from BiVO₄.</div></div>","PeriodicalId":428,"journal":{"name":"Solar Energy","volume":"298 ","pages":"Article 113685"},"PeriodicalIF":6.0,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144261428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}