{"title":"Photovoltaics Literature Survey (No. 205)","authors":"Ziv Hameiri","doi":"10.1002/pip.70069","DOIUrl":"https://doi.org/10.1002/pip.70069","url":null,"abstract":"","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"357-360"},"PeriodicalIF":7.6,"publicationDate":"2026-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146136235","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}
{"title":"Photovoltaics Literature Survey (No. 204)","authors":"Ziv Hameiri","doi":"10.1002/pip.70062","DOIUrl":"https://doi.org/10.1002/pip.70062","url":null,"abstract":"","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 2","pages":"232-236"},"PeriodicalIF":7.6,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145969748","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}
Pei-Chieh Hsiao, Zhimeng Wang, Jack Colwell, Daniel Chen, Chris Huang, Vince Allen, Alison Lennon, Renate Egan
{"title":"Investigation and Simulation of Thermomechanical Stress Induced by Plated Cu Contacts on Si Heterojunction Solar Cells","authors":"Pei-Chieh Hsiao, Zhimeng Wang, Jack Colwell, Daniel Chen, Chris Huang, Vince Allen, Alison Lennon, Renate Egan","doi":"10.1002/pip.70035","DOIUrl":"https://doi.org/10.1002/pip.70035","url":null,"abstract":"<div>\u0000 \u0000 <p>This study investigated the thermomechanical stress induced by annealing plated Cu contacts on pyramidal surfaces of Si heterojunction (SHJ) solar cells. The homogeneity of cell temperature during annealing was assessed by both experiment and simulation. Several influential factors on the Si stress were evaluated, including Cu geometries, contact edge locations, contact width, pyramid size, and annealing temperature. The simulated stress, which was verified by Raman spectroscopy, was applied to predict the probability of fracture in combination with the Weibull diagram obtained from four-point flexural (4PF) tests. Despite the identification of limiting flaw populations at the Si surface of Cu-plated SHJ cells, a low fracture probability was estimated for a typical annealing temperature of 200°C.</p>\u0000 </div>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"336-356"},"PeriodicalIF":7.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146139193","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}
Remi Aninat, Maarten van der Vleuten, Jules Scraigne, Henri Fledderus, Anne Biezemans, Johan Bosman, Joao Gomes, Ando Kuypers, Mirjam Theelen
{"title":"Laser-Assisted Delamination for High-Value Recycling of Solar Panels","authors":"Remi Aninat, Maarten van der Vleuten, Jules Scraigne, Henri Fledderus, Anne Biezemans, Johan Bosman, Joao Gomes, Ando Kuypers, Mirjam Theelen","doi":"10.1002/pip.70041","DOIUrl":"https://doi.org/10.1002/pip.70041","url":null,"abstract":"<div>\u0000 \u0000 <p>With the increasingly large volumes of silicon solar panels being decommissioned worldwide, we urgently need to come up with a cheap and efficient recycling strategy that yields high-value output materials. A crucial step in such recycling is to delaminate the front and back sheets to access the cells and their metallization. In this work, we demonstrate that the adhesion between the encapsulant and the silicon wafers can be weakened, in a fast and effective way, using a picosecond pulsed near-infrared laser. The glass and encapsulant are then delaminated from the silicon wafer in a thermomechanical step. This method provides direct access to the silicon emitter and bulk as well as the precious and/or toxic metals on its surface, enabling their recycling. Ablation threshold experiments show that the IR laser mostly interacts with the silicon, thereby indirectly ablating the SiN<sub>x</sub> anti-reflective coating. We show that laser pattern and laser setting optimization help strike a balance between effective silicon wafer surface ablation and minimal (submicron thick) contamination from the encapsulant, due to lower heat dissipation into the wafer and encapsulant. The SiN<sub>x</sub> removal, combined with high potential throughput and low OpEx, sets this process apart from existing delamination techniques. The process described in this paper can be crucial to enable rapid and energy-efficient recycling of silicon PV modules to high-purity raw materials with a high recovery rate.</p>\u0000 </div>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"297-309"},"PeriodicalIF":7.6,"publicationDate":"2025-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146140220","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}
Elisa Artegiani, Andrea Gasparotto, Sam Machin, Michael Walls, Alessandro Romeo
{"title":"Sb2Se3 Thin Films for Doping the Absorber in CdTe Solar Cells","authors":"Elisa Artegiani, Andrea Gasparotto, Sam Machin, Michael Walls, Alessandro Romeo","doi":"10.1002/pip.70037","DOIUrl":"https://doi.org/10.1002/pip.70037","url":null,"abstract":"<p>Nowadays, the primary efforts in CdTe solar cell research aim to find an alternative to copper doping among the group V elements. In fact, Cu has limited solubility in the CdTe grains, which prevents the achievement of higher open circuit voltages (Voc), and it is also a fast diffuser, considered the main factor of device degradation. Achieving effective doping with an alternative element could lead to improved Voc and, hence, cell efficiency, as well as increased stability. This study presents a novel method to dope CdSeTe/CdTe devices by depositing a thin Sb<sub>2</sub>Se<sub>3</sub> layer on top of the absorber. Sb is then driven inside the CdTe matrix by subsequent CdCl<sub>2</sub> treatment; the choice of Sb<sub>2</sub>Se<sub>3</sub> prevents the introduction of additional impurities. This method proves to be effective because Sb-doped cells achieve efficiencies close to Cu-doped ones. On the other hand, in accelerated stress tests without encapsulation, Sb-containing devices are much more stable than Cu-doped ones, showing the same noteworthy stability as undoped devices.</p>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"326-335"},"PeriodicalIF":7.6,"publicationDate":"2025-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/pip.70037","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146140219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sunita Kumari Sah, Pooja Lohia, R. K. Chauhan, D. K. Dwivedi
{"title":"Revolutionizing Nontoxic and Highly Stable Cesium-Based Double Perovskite TSC: Toward Higher Efficiency","authors":"Sunita Kumari Sah, Pooja Lohia, R. K. Chauhan, D. K. Dwivedi","doi":"10.1002/pip.70031","DOIUrl":"https://doi.org/10.1002/pip.70031","url":null,"abstract":"<div>\u0000 \u0000 <p>A double halide-based perovskite photovoltaic cell has drawn considerable attention because of its lower toxicity supporting sustainable development goals (SDGs) in terms of a clean and healthy environment for nature, tunable bandgap, versatile structure, and improved stability. This study investigates the performance analysis of two nontoxic Pb-free environmentally friendly double perovskite solar cell (DPSC) materials, Cs<sub>2</sub>AgBiI<sub>6</sub> and Cs<sub>2</sub>AgBiBr<sub>6</sub> within a tandem solar cell (TSC) configuration. This research is focused on optimization and improving efficiency in Cs<sub>2</sub>BiAgI<sub>6</sub>-DPSC (top cell-1) and Cs<sub>2</sub>AgBiBr<sub>6</sub>-DPSC (top cell-2) using mathematical analysis. A modified filtered solar spectrum was employed to evaluate the bottom cell performance for real-time precision. These enhancements have led to outstanding results in the efficiency of power conversion (PCE) of 29.15% and 37.17% for the Cs<sub>2</sub>AgBiI<sub>6</sub>-based tandem cell and Cs<sub>2</sub>AgBiBr<sub>6</sub>-based tandem cell respectively. Furthermore, these two tandem cells are optimized using a variety of electron transporting layers (ETLs) and hole transporting layers (HTLs) to analyze the enhanced top cell. This is done step by step starting from finding out the strained spectrum and matching the current density for both the multi-junction cells. Both cells are also analyzed for different parameters such as defect density along with absorber width variation, intermediate defect density (IDD) and working temperature variation. Moreover, the outcomes with <i>V</i><sub>oc</sub> of 1.61 V, <i>J</i><sub>sc</sub> of 23.38 mA·cm<sup>−2</sup>, FF of 77.57% and PCE of 29.15% for tandem cell-1 and <i>V</i><sub>oc</sub> of 2.08 V, <i>J</i><sub>sc</sub> of 21.85 mA·cm<sup>−2</sup>, FF of 81.92%, and PCE of 37.17% for tandem cell-2 give conceptual insights for improving the efficiency of cesium-based photovoltaic solar cells (PVSC) and support the broader acceptance of environmentally pleasant and stable perovskites.</p>\u0000 </div>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"310-325"},"PeriodicalIF":7.6,"publicationDate":"2025-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146140218","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}
Naoto Eguchi, Kohei Yamamoto, Hiroyuki Kanda, Santa Mondal, Takurou N. Murakami
{"title":"Automation of the Antisolvent Method via an Automated Spin-Coating System and the Effects of Reduced Surface Roughness and Depth Distribution of Residual PbI2 on Reproducibility","authors":"Naoto Eguchi, Kohei Yamamoto, Hiroyuki Kanda, Santa Mondal, Takurou N. Murakami","doi":"10.1002/pip.70042","DOIUrl":"https://doi.org/10.1002/pip.70042","url":null,"abstract":"<div>\u0000 \u0000 <p>Perovskite solar cells often exhibit performance variability even under identical experimental conditions. One of the reasons of this inconsistency is attributed to manual interventions such as the application of antisolvents. To address these challenges, we develop an automated system to precisely control the solvent dropping and substrate heating processes. Spin-coating is performed by using an automated system comprising a robot arm, spin coater, automatic solution dropping part, hot plate, and substrate storage area. Manual fabrication is conducted simultaneously to compare the outcomes. The reproducibility of devices fabricated by using the system and intrabatch and interbatch consistency are assessed. The automated system considerably diminishes performance fluctuations across batches conducted on different dates. Especially, the automated, uniform application of an antisolvent considerably minimizes surface roughness variability in perovskite films. X-ray diffraction analyses further reveal differences between the residual PbI<sub>2</sub> contents of perovskite films fabricated via automated and manual methods. Additionally, grazing incidence wide-angle X-ray scattering measurements indicate that the residual PbI<sub>2</sub> depth distribution in the perovskite layer was influenced by the antisolvent drop rate and timing. The results suggest that precise control of antisolvent drop rates and drop timings can improve the reproducibility of perovskite solar cells.</p>\u0000 </div>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"286-296"},"PeriodicalIF":7.6,"publicationDate":"2025-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146140058","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}
Prabeesh Punathil, Elisa Artegiani, Solidea Zanetti, Simya O K, Luca Lozzi, A. Gasparotto, Fabio Piccinelli, C. L. Boldrini, S. Binetti, Alessandro Romeo
{"title":"CdCl2 Treatment for Cu2ZnSn(S,Se)4: A Method to Enhance the Solar Cell Performance","authors":"Prabeesh Punathil, Elisa Artegiani, Solidea Zanetti, Simya O K, Luca Lozzi, A. Gasparotto, Fabio Piccinelli, C. L. Boldrini, S. Binetti, Alessandro Romeo","doi":"10.1002/pip.70034","DOIUrl":"https://doi.org/10.1002/pip.70034","url":null,"abstract":"<p>Unlike other thin-film absorbers, CZTSSe can be efficiently produced using nonvacuum techniques, which enable precise control over the stoichiometry of the absorber layer from the precursor solution stage. Despite extensive research over the past two decades, CZTSSe has not surpassed an efficiency of 15%, primarily due to a significant <i>V</i><sub>oc</sub> deficit. To address this challenge, researchers typically pursue either alloying the absorber with additional elements to tune the band gap or doping the absorber with impurities to boost carrier concentration. This study presents a straightforward approach for improving performance by either narrowing the band gap or doping the absorber by processing, for the first time, the CZTSSe by CdCl<sub>2</sub> treatment, which can be applied to any fabrication process. Depending on the stage of the fabrication process at which it is carried out, the same practical CdCl<sub>2</sub> treatment can introduce Cd into the CZTSSe matrix as an alloying or doping agent.</p>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"271-285"},"PeriodicalIF":7.6,"publicationDate":"2025-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/pip.70034","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146136737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bowen Ding, Shuhan Li, Wanwu Guo, Bomei Zhang, Yan Hu, Yurong Zhou, Fengchao Li, Yuqin Zhou, Fengzhen Liu
{"title":"Low-Temperature N2 Annealing Enabling Front Junction MoOx/Si Heterojunction Solar Cell With Screen-Printed Metal Grids","authors":"Bowen Ding, Shuhan Li, Wanwu Guo, Bomei Zhang, Yan Hu, Yurong Zhou, Fengchao Li, Yuqin Zhou, Fengzhen Liu","doi":"10.1002/pip.70027","DOIUrl":"https://doi.org/10.1002/pip.70027","url":null,"abstract":"<div>\u0000 \u0000 <p>Transition metal oxides (TMOs) such as MoO<sub>x</sub>, featuring a high work function and a wide optical bandgap, are competitive alternatives to p-type a-Si:H or nano crystalline silicon in silicon heterojunction solar cells to form silicon compound heterojunction (SCH) solar cells. However, the thermal instability of MoO<sub>x</sub> during the curing process of screen-printing restrains its massive production in industry. In this work, silver grids are printed on the MoO<sub>x</sub> side of MoO<sub>x</sub> SCH solar cells, and the influence of annealing atmosphere and temperature on the performance of the solar cells is investigated. After annealing in O<sub>2</sub> or air, the device performance is significantly degraded, while it remains almost unchanged after annealing in N<sub>2</sub> at 136°C. A conversion efficiency of 22.40% is achieved on the SCH solar cells with screen-printed Ag grids when annealed at 136°C for 40 min in N<sub>2</sub> atmosphere, which is equivalent to that of the solar cells with thermally evaporated grids. To reveal the annealing effect, systematic research is conducted on changes in optoelectronic property, contact resistivity, and compositional distribution of MoO<sub>x</sub>, brought about by annealing in N<sub>2</sub>, O<sub>2</sub>, and air at different temperatures. Oxygen vacancies and conductivity both increase after annealing in N<sub>2</sub>, contributing to more efficient hole carrier collection through defect state-assisted band-to-band transition. However, dipoles formed at the c-Si/MoO<sub>x</sub> interface during N<sub>2</sub> annealing, proposed according to the calculation of differential charge density, might hinder the hole transportation from c-Si to MoO<sub>x</sub>. A 1-nm Al<sub>2</sub>O<sub>3</sub> layer inserted between a-Si:H(i) and MoO<sub>x</sub> is found to be effective for mitigating the <i>V</i><sub>oc</sub> drop after annealing in air. The approaches exhibit great potential for implementing screen-printing on MoO<sub>x</sub> SCH solar cells, rendering industrial production of MoO<sub>x</sub> SCH solar cells feasible.</p>\u0000 </div>","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 3","pages":"261-270"},"PeriodicalIF":7.6,"publicationDate":"2025-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146139779","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}
{"title":"Photovoltaics Literature Survey (No. 203)","authors":"Ziv Hameiri","doi":"10.1002/pip.70030","DOIUrl":"https://doi.org/10.1002/pip.70030","url":null,"abstract":"","PeriodicalId":223,"journal":{"name":"Progress in Photovoltaics","volume":"34 1","pages":"132-137"},"PeriodicalIF":7.6,"publicationDate":"2025-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145730393","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}