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PV System Installation Assessment Based on Power Measurement for Balcony Power Plant Applications IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-24 David Gögelein, Marianne von Schwerin, Volker Herbort
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Multidimensional Evaluation Method for the Operational Status of Photovoltaic Arrays in Large-Scale PV Power Stations IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-22 Honglu Zhu, Jiaqi Li, Xiu Liu, Hengtao Wang, Zhaoze Cui, Fang Dong
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IEEE Journal of Photovoltaics Publication Information IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-22
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IEEE Journal of Photovoltaics Information for Authors IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-22
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Metamorphic and Lattice-Matched GaInP Rear-Heterojunction Solar Cells for Improved Performance at Elevated Temperatures IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-17 Mijung Kim, Yukun Sun, Minjoo Larry Lee
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Effect of Threading Dislocations on GaInP Front- and Rear-Junction Solar Cells Grown on Si IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-17 Brian Li, Pankul Dhingra, Ryan D. Hool, Shizhao Fan, Minjoo Larry Lee
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High-Efficiency TOPCon Solar Cells With Laser-Assisted Localized Boron Doping via Silicon Paste IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-15 Juan Hong, Jianxin Sun, Xin Liu, Yixuan Huang, Longqing Jiang, Shuangyu Liu, Feng Qian, Shen Honglie, Yang Yang, Rulong Chen, Guanghua Song
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Effective Protection Distance of SPD in PV System Under Lightning Surge IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-09 Pengkai Wang, Lei Huang, Shuaijie Wang, Xiao Zhong, Zhi Zheng, Rong Wu, Qiuqin Sun
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Aqueous HF-(HCl)-Cl2 Mixtures for Saw-Damage Removal and Spray Texturing of Monocrystalline Silicon Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-04 André Stapf, Niklas Zomack, Carmen Bellmann, Nils Schubert, Ann-Lucia Neumann, Florian Buchholz, Tom Kollek, Annette Helfricht, Mahsa Mohammadi, August Weber, Matthias Müller, Edwin Kroke
A new approach for the texturing of monocrystalline silicon solar wafers was developed. By using a spray etching process with aqueous HF-HCl-Cl 2 mixtures, textured wafers were generated and processed to PERC solar cells and compared to cells textured by a conventional alkaline texturing process. Also, a novel saw damage removal (SDR) process using aqueous HF-Cl 2 mixtures was tested against the typical
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Optimal Inclination and Azimuth Angles of a Photovoltaic Module With Load Patterns for Improved Power System Stability IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-02 Hoonjoo Choi, Jinho Choi, Seong-Hyeon Ahn, Jin Hee Hyun, Hae-Lim Cha, Byeong-Yong Lim, Hyung-Keun Ahn
Globally, large-scale photovoltaic (PV) systems are being installed to achieve maximum power generation efficiency. However, this often results in severe power fluctuations, impacting the stability of the power system. To enhance the power system stability, it is crucial to effectively distribute the times of maximum power output. This can be achieved by making changes to the inclination angle and
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Semitransparent Perovskite Solar Submodule for 4T Tandem Devices: Industrial Engineering Route Toward Stable Devices IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-02 Luigi Angelo Castriotta, Maurizio Stefanelli, Luigi Vesce, Erica Magliano, Enrico Leonardi, Francesco Di Giacomo, Hafez Nikbakht, Luca Serenelli, Luca Martini, Francesca Menchini, Fabio Matteocci, Mario Tucci, Aldo Di Carlo
Perovskite technology has been advancing at unprecedented levels over the past years, with efficiencies reaching up to 26.1%. State-of-the-art results are obtained on a very small area scale (<0.1 cm 2 ), by adopting high materials wasting processes not compatible with industry and with market exploitation. Silicon is a well-established technology and one of the advantages of perovskite is its ability
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Review on Group-V Doping in CdTe for Photovoltaic Application IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-04-01 Akira Nagaoka, Santosh K. Swain, Amit H. Munshi
In recent years, one of the most important advancements in cadmium telluride photovoltaic research and technology has been the realization that group-V doping is a viable strategy to increase open-circuit voltage and long-term reliability. Considering the critical importance of this topic, this article reviews the fundamentals of group-V doping, including the properties of group-V doped single crystals
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Simultaneous Photovoltaic Power Generation and Electroluminescence in Three-Terminal Tandem Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-25 Yutaka Watanabe, Kikuo Makita, Takeshi Tayagaki, Takeyoshi Sugaya, Noboru Yamada
Optical wireless power transmission (OWPT) using 2-terminal single-junction solar cells or light-emitting diodes is limited because it cannot generate photovoltaic power while transmitting light signals. In this study, we determine the feasibility of using a three-terminal tandem (3TT) solar cell for OWPT with two-way optical wireless communication (OWC). Accordingly, we perform fundamental experiments
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Hybrid Modeling for Photovoltaic Module Operating Temperature Estimation IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-21 Leticia O. Santos, Francisco A. A. Souza, Clodoaldo O. Carvalho Filho, Paulo C. M. Carvalho, Tarek AlSkaif, Renata I. S. Pereira
The performance and efficiency of photovoltaic (PV) modules are significantly impacted by their operating temperature. Therefore, accurately estimating the PV module temperature ( $T_{m}$ ) is a crucial factor in the assessment of PV systems. This article introduces a hybrid model for $T_{m}$ estimation that combines both physical and data-driven modeling. The primary objective of our research is to
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TCAD Modeling and Simulation of Dark Current-Voltage Characteristics in High-Periodicity InGaN/GaN Multiple-Quantum-Wells (MQWs) Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-19 Marco Nicoletto, Alessandro Caria, Carlo De Santi, Matteo Buffolo, Matteo G.C. Alasio, Francesco Mercinelli, Xuanqui Huang, Houqiang Fu, Hong Chen, Yuji Zhao, Gaudenzio Meneghesso, Enrico Zanoni, Matteo Meneghini
Gallium nitride (GaN) based high periodicity indium/GaN multiple quantum wells solar cells have recently been proposed for different applications: from operation in harsh environments, like space applications, to their use in concentrator solar harvesting system and wireless power transfer system. In this article, we extensively investigate the mechanisms, which influence the in-dark current-voltage
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Evaluation and Enhancement of Laser Power Transfer Efficiency in the Presence of Atmospheric Turbulence IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-19 Bin Luo, Jiming Wang, Yannan Yang, Jianyu Lan, Youwen Liu
Laser-based wireless power transfer (LWPT) technology has attracted more and more attention in the field of long-range wireless power transfer (WPT). In practical applications, the light intensity distribution of the laser beam at the receiving end has a crucial impact on the efficiency of the power transfer system. In this article, the optimization of photovoltaic (PV) array configuration is explored
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Angle-Resolved Direct Emissivity Measurements on Unencapsulated Solar Cells for Passive Thermal Control IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-18 Iñigo González de Arrieta, Telmo Echániz, Raquel Fuente, Gabriel A. López
The emissivity of two unencapsulated photovoltaic cells has been measured by a direct radiometric method, between 30 and 50 °C, and indirectly at room temperature. The advantages of the angle-resolved direct method for the determination of the emissivity of the bare cell, and the challenge of using direct measurements around room temperature, are discussed. This method allows calculating the total
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AC Impedance Characteristics and Modeling of Electrical Leakage Circuit Within a Photovoltaic Module Installed in a Field IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-18 Tadanori Tanahashi, Takashi Oozeki
The electrical insulation resistance of photovoltaic (PV) modules plays an important role in maintaining the operational integrity of PV systems deployed in fields. This is because the breakdown of the electrical insulation of PV modules directly contributes to performance loss and electrical safety risks. To gain insight into the characteristics of the electrical leakage circuit between the PV cells
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A Comprehensive Shade Resilient Approach for Enhanced PV Array Performance Under Irradiance Mismatch Conditions IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-18 Ranjeet Singh, Vinod Kumar Yadav, Madhusudan Singh
This article proposes a comprehensive shade-resilient approach to enhance the overall productivity of the two most widely used photovoltaic (PV) configurations: total-cross-tied (TCT) and series-parallel (SP), under irradiance mismatch conditions (IMCs). The proposed generalized panel rearrangement strategy (GPRS) for TCT and SP-GPRS for SP arrays is applicable to arrays of any dimensions, including
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Review of Mono- and Bifacial Photovoltaic Technologies: A Comparative Study IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-14 Tanvir M. Mahim, A. H. M. A. Rahim, M. Mosaddequr Rahman
This article reviews the recent works on bifacial and monofacial photovoltaic (PV) technologies. Furthermore, the effectiveness of bifacial PV technologies over that of monofacial technologies is examined. Unlike monofacial PVs, bifacial PVs have light sensitivity on both the front as well as the rear surface and, therefore, have higher PV yield compared to monofacial PVs. However, because of higher
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Dual-Wavelength Laser Power Converters Equipped With Intermediate Bands Compatible With Highly Efficient Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-11 Yasuhiko Takeda
This article propose the basic structure of laser power converters (LPCs) on the basis of intermediate-band solar cells (IB-SCs) assisted by the quantum ratchet (QR) mechanism. The LPCs convert efficiently both high-power and low-cost laser light of 800−1000 nm in wavelength and eye-safe laser light of ∼1500 nm to electricity. Furthermore, the LPCs operate as highly efficient SCs. Thus, the proposed
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Coupled Process/Device Modeling and Point Defect Engineering of Cu(In,Ga)Se2 Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-03-05 Xiaofeng Xiang, David E. Sommer, Aaron Gehrke, Scott T. Dunham
Point defects directly impact solar cell device performance by limiting the carrier lifetime. In this work, density functional theory calculations are first used to determine the formation energy and diffusion energy barriers of dominant defects in Cu(In,Ga)Se 2 . Next, continuum reaction–diffusion models are developed to analyze the redistribution of defects during manufacturing processes. We estimate
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PV Plant Equipment Labels and Layouts Can Be Validated by Analyzing Cloud Motion in Existing Plant Measurements IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-28 Joseph Ranalli, William B. Hobbs
Large-scale photovoltaic plants collect monitoring and operational data at various spatial scales within the plant (e.g., strings, combiners, and inverters). Manual validation of the spatial position of these plant segments relative to the plant design requires on-site observations that may be prohibitively costly or labor intensive. This article presents a methodology for validating plant segment
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Power Prediction of PV Modules Contaminated by Bird Droppings via an Image Thresholding Process IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-23 Seong-Hyeon Ahn, Gyu Gwang Kim, Jin Ho Choi, Yeong-Beom Kang, Jin Hee Hyun, Hyung-Keun Ahn
Environmental factors that influence marine photovoltaic (PV) systems differ considerably from those affecting overland PV systems. The bird dropping, which is one of them, is a main cause of marine PV power reduction. The power prediction of a PV module contaminated by bird droppings is hard because light could pass through the bird dropping depending on the thickness of it unlike hard shading condition
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Towards Polymer-Free, Femto-Second Laser-Welded Glass/Glass Solar Modules IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-21 David L. Young, Timothy J. Silverman, Nicholas P. Irvin, Daniel Huerta-Murillo, Bill Holtkamp, Nick Bosco
This article explores the use of femtosecond (fs) lasers to form glass-to-glass welds for hermetically sealed, polymer-free solar modules. Low-iron solar glass coupons were welded together without the use of glass filler using a fs laser with dedicated optics to elongate the focal plane parallel to the incident beam. The resulting welds were then stress tested to failure to reveal the critical stress
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IEEE Journal of Photovoltaics Information for Authors IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-20
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IEEE Journal of Photovoltaics Publication Information IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-20
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Photovoltaic Cell Defect Detection by Lock-In Thermography Using 2-D Gaussian Profile IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-16 Thiago Mota Vieira, Ézio C. Santana, Tarso V. Ferreira, Douglas B. Riffel
The electrical energy produced by photovoltaic systems can be critically affected by a variety of factors. In order to detect defective photovoltaic cells, several monitoring techniques, such as lock-in thermography, have been widely used alongside some analytical methods that avoid subjectivity. This article proposes a method with low computational cost that provides a simple and easily implementable
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Investigation on Lightning-Induced Voltage for Photovoltaic System Considering Electromagnetic Coupling of Rooftop Structure IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-13 Xiao Zhong, Zhi Zheng, Qiuqin Sun, Danhua Chen, Wentao Yang, Jie Yuan, Feng Bin, Yishi Yue, Zezhong Sun
Considerable photovoltaic (PV) panels are installed on building roof, which are exposed to lightning strike at a high risk. Lightning electromagnetic (EM) field will induce a high voltage, which can damage the electronic devices of PV system. By using the method of moments, the EM coupling among the lightning channel and roof structure is modeled, and the induced voltage of PV array is calculated.
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Improved Cleaning Event Detection Methodology Including Partial Cleaning by Wind Applied to Different PV-SCADA Datasets for Soiling Loss Estimation IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-12 Shoubhik De, Narendra Shiradkar, Anil Kottantharayil
Soiling on photovoltaic (PV) systems reduces operating efficiency, requiring frequent cleaning and maintenance. To quantify soiling loss directly from the PV performance time-series data, an essential step is to detect cleaning events accurately. However, analyzing the time-series data of utility-scale PV plants comes with its own set of challenges. Sensors not calibrated or maintained correctly, missing
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A Novel Embedded System for Real-Time Fault Diagnosis of Photovoltaic Modules IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-12 Zakaria Ksira, Adel Mellit, Nicola Blasuttigh, Alessandro Massi Pavan
In this article, a novel embedded low-cost system for real-time fault diagnosis of photovoltaic (PV) modules is proposed. The idea aims to develop an embedded application to classify certain defects that can frequently occur on PV modules based on infrared (IR) images in different regions (desert and Mediterranean climates). The investigated faults are sand accumulation, dirt on PV modules, degradation
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Demonstration of a Monolithically Integrated Hybrid Device for Simultaneous Power Generation and Data Modulation IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-09 Emily Kessler-Lewis, Stephen J. Polly, Elijah Sacchitella, Seth M. Hubbard, Raymond Hoheisel
A three-terminal, monolithically integrated InP photovoltaic (PV) device with an InGaAs/InAlAs electroabsorption modulator for simultaneous power generation and data modulation has been designed and experimentally validated. A discrete modulator with a data rate approaching 1 Mbps with an on / off ratio of 1.20 was demonstrated. The InP power generating junction of the monolithic device attained an
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Impact of Additional PV Weight on the Energy Consumption of Electric Vehicles With Onboard PV IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-09 Neel Patel, Karsten Bittkau, Bart Elger Pieters, Evgenii Sovetkin, Kaining Ding, Angèle Reinders
Photovoltaics (PV) in onboard vehicle applications adds weight to an electric vehicle (EV), increasing the overall energy consumption. Although the added PV system weight is small compared with the vehicle weight, the power generated by PV is also very small compared with the power needed to propel an EV, making the effect of additional PV system weight on energy consumption a nontrivial topic to analyze
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Perovskite Solar Module Enabled IoT Asset Tracking for Wildlife Conservation IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-09 Vivek Babu, Rosinda Fuentes Pineda, Maciej Bizan, Adrian Wojak, Szymon Wierzowiecki, João Gervásio, Jakub Szklarz, Luigi Angelo Castriotta, Aldo Di Carlo
Perovskite technology has shown impressive improvement in the last decade. Here, the first global positioning system (GPS)-perovskite-powered application is showcased by integrating flexible perovskite modules (fPSMs) onto an animal tracking collar for powering the Internet of Things (IoT) device that monitors wildlife bison to preserve the species and its habitat. A prototype of a solar-powered collar
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Wet-Etching of Acoustically Spalled GaAs for Substrate Reuse IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-02-07 Anica N. Neumann, Pablo G. Coll, Mariana I. Bertoni, Myles A. Steiner, Emily L. Warren
Acoustic spalling is a promising technique for substrate reuse in the fabrication of gallium arsenide (GaAs) photovoltaic cells. However, the acoustic spalling process can leave the substrate with areas of rough surface morphology that can interfere with subsequent cell growth and processing. In this work, we investigate the use of wet etchants to smooth the surface of acoustically spalled GaAs substrates
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Evaluation of Surface Crack Formation in Photovoltaic Backsheets Using Fragmentation and Finite Element Simulations IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-31 Stefan Mitterhofer, Michael Kempe, Xiaohong Gu
Backsheet cracking is among the most commonly observed degradation modes of photovoltaic modules in the field. Cracks can reduce the ability of backsheets to fulfill their functions, such as protection of the modules from the environment or electrical insulation. This work presents an evaluation of the degradation and cracking propensity of two backsheets during accelerated IEC TS 62788-7-2 (International
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Application of Electroluminescence Imaging to Distinguish Ohmic and Non Ohmic Shunting in Inaccessible Cells Within a PV Module IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-30 Ravi Kumar, Vishal E. Puranik, Rajesh Gupta
Photovoltaic (PV) technology is susceptible to various defects and degradations. One such defect is shunts, which result in internal leakage paths, reducing cell performance and efficiency. Shunts can be categorised as either ohmic or non-ohmic based on the nature of sinking current with voltage. Understanding the nature of shunting is crucial for comprehending the physical phenomena occurring at shunted
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Forced Motion Activated Self-Alignment of Micro-CPV Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-29 Elisa Kaiser, Maike Wiesenfarth, Victor Vareilles, Martin Schneider-Ramelow, Stefan W. Glunz, Henning Helmers
In micro-concentrating photovoltaics (micro-CPV), the size of solar cells is reduced (<1x1 mm 2 ) compared to conventional CPV. However, the quantity and requirement for placement accuracy of solar cells is increased. To be economically competitive, a promising possibility for the die assembly is a high throughput and relatively unprecise pick and place process combined with surface tension-driven
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Wet-Chemically Grown Interfacial Oxide for Passivating Contacts Fabricated With an Industrial Inline Processing System IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-22 Byungsul Min, Philipp Noack, Bianca Wattenberg, Torsten Dippell, Henning Schulte-Huxel, Robby Peibst, Rolf Brendel
This article presents for the first time the application of wet-chemical interfacial oxide from an industrial inline processing system for poly-Si-based passivating contacts. An excellent passivation quality is achieved by creating an interfacial oxide with a very short exposure time of 90 s in ozonized water and by adjusting the annealing temperature in a tube furnace, resulting in surface recombination
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Analysis of Threshold Conditions for Cementation of Soiling on PV Modules and Telescope Mirrors IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-18 Guido Willers, Volker Naumann, Ronald Holzlöhner, Ralph Gottschalg, Klemens Ilse
To enhance the understanding of the high adhesion of dust particles on photovoltaic modules and telescope mirrors, glass, and mirror samples were subjected to soiling tests in laboratory and field experiments. The specific objective of this study was to investigate glass contamination on a microstructural level using light and scanning electron microscopy (SEM). In addition, the dusts were analyzed
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Rapid Thermal Annealing Effects on Passivation Quality of p-TOPCon Silicon Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-15 Arpan Sinha, Sagnik Dasgupta, Ajeet Rohatgi, Mool C. Gupta
Unlike the traditional tube-furnace annealing at 875 °C, rapid thermal annealing (RTA) and laser annealing offer flexibility, high throughput, and control of the heating and cooling rates and holding times for effective crystallization, dopant activation, and passivation quality in the B-doped p-TOPCon device. A comprehensive scientific understanding of the effects of RTA is required. Slower RTA heating
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Planet-Scale Energy Yield Potential of Next-Generation Bifacial, Multiterminal, Perovskite-Silicon Tandem Solar Farms IEEE J. Photovolt. (IF 3.0) Pub Date : 2024-01-15 Jabir Bin Jahangir, Muhammed Tahir Patel, Reza Asadpour, Muhammad Ryyan Khan, Muhammad A. Alam
To continue reducing the levelized cost of solar energy, the photovoltaics (PV) industry is developing higher efficiency perovskite-based tandem solar cells. Among the various options, the two-terminal (2T) tandem has traditionally garnered the most interest and is expected to enter the market soon. However, the bifacial 2T perovskite-silicon (PVK-Si) tandem cell, constrained by current-matching requirements
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Development of Solution-Processed Eco-Friendly Cs2SnI6 Double Perovskite Thin-Film Solar Cell IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-29 Nilesh Jaiswal, Vivek Pratap Singh, Chandra Prakash Singh, Deepak Punetha, Saurabh Kumar Pandey
This article reports a simple and efficient solution-processed method for designing stable Cs 2 SnI 6 double perovskite thin film solar cells utilizing Cesium iodide and SnI 4 in a 2:1 ratio. Better crystallinity in a Cs 2 SnI 6 film is typically associated with higher optical absorbance, lower carrier concentration, more carrier mobility, and improved air and thermal stability. This compound contains
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Enhanced Electron Transport at the n+ Poly-Si/LiF/Al Interface in n-TOPCon Silicon Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-28 Juan Tian, Kai Xu, Hongxu Jiang, Guangwei Wang, Yuan Liu, Peng Zhu, Deliang Wang
lithium fluoride (LiF) film has been employed as an electron-selective contact in optoelectronic devices. In this study, the effect of rapid thermal processing (RTP) on n-type tunnel oxide passivated contact (n-TOPCon) silicon solar cells using LiF/Al as the electrodes was investigated. Enhanced electron transport at the n + poly-Si/LiF/Al interface of n-TOPCon solar cells after RTP was observed. X-ray
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A Broadband Multilayer Antireflection Coating for Thin Film CdSeTe/CdTe Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-25 Adam M. Law, Luksa Kujovic, Mustafa Togay, Rachael C. Greenhalgh, Luis C. Infante-Ortega, Xiaolei Liu, John M. Walls
Thin film cadmium telluride (CdTe) photovoltaics (PV) is the most successful second-generation PV technology, with a current installed capacity of over 30 GWp, predominantly at utility scale. Recent improvements in the buffer layer of the device, switching from cadmium sulphide (CdS) to transparent magnesium-doped zinc oxide (MZO), tin oxide (SnO $_{2}$ ), or zinc oxide (ZnO), and the addition of selenium
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Editorial Introduction to the January 2024 Issue of the IEEE Journal of Photovoltaics IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-22 Angus Rocket
I also call your attention in particular to six papers invited for contribution from the IEEE Photovoltaic Specialists Conference (PVSC). These include two papers related to Si technology and two related to module design and reliability. These works were considered to be among the most important or impactful at the PVSC last summer, and these, along with those in the November issue, represent the bulk
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The Impact of Hot Injection Reaction Temperature on the Properties of Cu2ZnSnS4 Nanocrystal Thin Films for PV Devices IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-13 Asaad Alluhaybi, Douglas Halliday, Marek Szablewski, Leon Bowen
Cu 2 ZnSnS 4 (CZTS) is a p-type absorber layer semiconductor, which is a promising candidate material for advanced solar cell devices. CZTS nanoparticle thin films were synthesized via the hot-injection spin-coating method. Nanoparticle inks were deposited on soda lime glass substrates. Different reaction temperatures during synthesis were investigated by using X-ray diffraction (XRD), focused ion
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Design and Fabrication of CdTe//Si Four-Terminal Mechanical Stacked Solar Cell IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-12 Yujie Zheng, Xin Zhang, Xiutao Yang, Yunpu Tai, Jingquan Zhang, Bing Li, Lianghuan Feng, Chebotareva Alla, Amangel'di Kamalov, Guanggen Zeng
As single-junction devices are becoming increasingly difficult to achieve higher efficiencies, a great amount of design and fabrication of multijunction solar cells has been reported. There have been many independent studies on silicon and II-VI photovoltaic materials, but their integration to form II-VI/crystalline silicon tandem solar cell is still relatively rare. In this work, the structure of
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Hydrogen Sulfide Passivation for p-Type Passivated Emitter and Rear Contact Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-11 Tasnim Kamal Mouri, Ajay Upadhyaya, Ajeet Rohatgi, Young-Woo Ok, Vijaykumar Upadhyaya, Brian Rounsaville, Amandee Hua, Dirk Hauschild, Lothar Weinhardt, Clemens Heske, Ujjwal K. Das
This work reports on the application of sulfur (S)-passivation to passivated emitter and rear contact (PERC) solar cells. The emitter surface was passivated by hydrogen sulfide (H 2 S) gas phase reaction and capped by a hydrogenated amorphous silicon nitride (a-SiN x :H) layer. The sulfur passivation on a symmetrically n + diffused emitter is shown to lead to an emitter saturation current density (J
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Getting Ahead of the Curve: Assessment of New Photovoltaic Module Reliability Risks Associated With Projected Technological Changes IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-07 Jarett Zuboy, Martin Springer, Elizabeth C. Palmiotti, Joseph Karas, Brittany L. Smith, Michael Woodhouse, Teresa M. Barnes
Maintaining the reliability of photovoltaic (PV) modules in the face of rapidly changing technology is critical to maximizing solar energy's contribution to global decarbonization. Our review describes expected changes in PV technology and their impacts on performance and reliability. We leverage PV market reports, interviews with PV researchers and other industry stakeholders, and peer-reviewed literature
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An Efficient S and Se Co-Annealing Strategy for Performance Enhancement of Solution-Processed Submicron CuIn(S,Se)2 Solar Cells IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-05 Yao Gao, Guanchao Yin, Yong Li, Tristan Köhler, Ihab Kardosh, Martina Schmid
Solution-processed CuIn(S,Se) 2 (CISSe) solar cells with a submicron absorber (500 nm < thickness < 1 μm) can effectively reduce the deposition time and manufacturing cost. However, both, sensitive shunt paths and serious rear interface recombination limit the performance of submicron CISSe solar cells. In this work, Cu-In-S precursor films are comparatively annealed under Se or Se and S conditions
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The Impact of N-Doped Carbon Quantum Dots on Dye-Sensitized Solar Cells Operating Under Diffused- and Low-Light Intensity IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-04 Mona Samir, Ahmed M. Agour, Zahraa Ismail, Hassan Nageh, Sameh O. Abdellatif
This study investigates the double role of N-doped carbon quantum dots (N-CQDs) in dye-sensitized solar cells (DSSCs) that operate under diffused- and low-light intensity conditions. We demonstrate that the incorporation of N-CQDs leads to a substantial improvement in the performance of DSSCs. Under standard one-sun illumination, the maximum power conversion efficiency (PCE) achieved with N-CQDs is
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A Model-free Approach for Estimating Service Transformer Capacity Using Residential Smart Meter Data IEEE J. Photovolt. (IF 3.0) Pub Date : 2023-12-04 Joseph A. Azzolini, Matthew J. Reno, Jubair Yusuf
Before residential photovoltaic (PV) systems are interconnected with the grid, various planning and impact studies are conducted on detailed models of the system to ensure safety and reliability are maintained. However, these model-based analyses can be time-consuming and error-prone, representing a potential bottleneck as the pace of PV installations accelerates. Data-driven tools and analyses provide