Article
Nanoscience & Nanotechnology
Emma L. K. Spooner, Elena J. Cassella, Joel A. Smith, Thomas E. Catley, Sam Burholt, David G. Lidzey
Summary: The introduction of Y-series non-fullerene acceptors has greatly improved the power conversion efficiencies of organic solar cells. This study demonstrates, for the first time, the deposition of a Y-series-based system using ultrasonic spray coating, which has the potential for significantly faster deposition speeds than traditional methods. The use of an air-knife enables rapid removal of the casting solvent and overcomes film reticulation, resulting in spray-coated PM6:DTY6 devices with PCEs of up to 14.1%. The study also highlights the challenges of scalable coating for Y-series-based solar cells, particularly the influence of slower drying times on blend morphology and crystallinity. The compatibility of ultrasonic spray coating with high-speed roll-to-roll OSC manufacturing techniques is demonstrated.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Coatings & Films
Srikant Tiwari, S. B. Mishra
Summary: Thermal treatment improved the properties of hydroxyapatite coating, with the best performance observed at an annealing temperature of 600 degrees Celsius.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Zhide Luo, Cuiping Zhang, Li Yang, Jinbao Zhang
Summary: Perovskite solar cells (PSCs) have shown rapid development in recent years, but their stability has been a key limitation for industrialization and commercialization due to sensitivity to environmental factors. This research developed an ambient spray coating method to create organic-inorganic composite films, significantly enhancing the stability of PSCs and offering potential for flexible and curved device applications.
Article
Engineering, Electrical & Electronic
Monika Srivastava, Mustafa A. Alheity, M. Z. A. Yahya, R. C. Singh, Sirin Siyahjani Gultekin
Summary: This study focuses on the fabrication of a hybrid lead halide perovskite sensitized solar cell (PSC) with copper iodide as a medium for transporting holes (HTM) in a sandwich structure. The synthesized CH3NH3PbI3 material and HTM were characterized through various processes. A planar structure was fabricated and the PSC showed an efficiency of 13.64% with good electrical properties. The novelty of this work lies in the successful fabrication of the sandwich-structured PSC with considerable efficiency in ambient conditions.
JOURNAL OF ELECTRONIC MATERIALS
(2023)
Article
Energy & Fuels
Elena J. Cassella, Timothy Thornber, Robert D. J. Oliver, Mary E. O'Kane, Emma L. K. Spooner, Rachel C. Kilbride, Thomas E. Catley, Onkar S. Game, Alexandra J. Ramadan, David G. Lidzey
Summary: Defect management in perovskite solar cells through surface passivation is crucial for improving stability and efficiency. This study demonstrates the use of spray-coating technology to deposit iso-butylammonium bromide, resulting in the formation of a quasi-2D perovskite layer and significant improvement in device performance.
Article
Chemistry, Physical
Neetesh Kumar, Hock Beng Lee, Rishabh Sahani, Barkha Tyagi, Sinyoung Cho, Jong-Soo Lee, Jae-Wook Kang
Summary: Spray-deposited SnO2 films exhibit controllable thickness, granular morphology, high transmittance, and contribute to improved performance and scalability of perovskite solar cells. The high efficiency and storage stability of PSCs based on spray-SnO2 ETL make it a promising candidate for large-scale production in the future.
Article
Chemistry, Multidisciplinary
Yang Tang, Hua Tang, Youjun Bai, Rong Hu, Xinwu Yan, Lu Li, Jiang Cheng
Summary: The study demonstrates that the addition of triple symmetric non-halogen benzene as a solvent can improve the morphology and phase structure of polymer solar cells, leading to significantly enhanced device performance. The research findings suggest that the use of specific solvent mixtures can play a crucial role in optimizing the efficiency of spray-coated polymer solar cells.
FRONTIERS IN CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Katarzyna Gawlinska-Necek, Zbigniew Starowicz, Janusz Wozny, Pawel M. Nuckowski, Malgorzata Musztyfaga-Staszuk, Piotr Panek
Summary: This report investigates the morphological, optical, electrical, and photovoltaic properties of copper oxide and calcium-doped copper oxide thin films produced via the spray coating method. Through thermal post treatment and calcium doping optimization, low-resistivity and high-efficiency copper oxide thin films were obtained. XRD analysis revealed the chemical composition of the films, UV-Vis spectra were used to calculate the band gap energy and Urbach energy, and the morphology of the films was described as smooth and nanocrystalline.
Article
Chemistry, Physical
Katherine E. MacArthur, Shlomi Polani, Malte Klingenhof, Nina Gumbiowski, Tim Moller, Paul Paciok, Jiaqi Kang, Matthias Epple, Shibabrata Basak, Ruediger-A. Eichel, Peter Strasser, Rafal E. Dunin-Borkowski, Marc Heggen
Summary: This study provides a detailed characterization of the morphological and compositional changes of octahedral-shaped PtNi catalysts and doped octahedral PtNi-(Mo) and PtNi-(MoRh) catalysts during thermal annealing. The results show that the octahedral shape of PtNi catalysts gradually changes and undergoes alloying upon heating. However, doping with Mo or Mo/Rh stabilizes the structure and maintains a truncated octahedral shape during heat treatments.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
X. G. Jiang, J. W. Song, X. B. Wang, C. Song, Y. C. Xie, T. K. Liu, C. M. Deng, M. Liu, N. N. Zhang, H. L. Liao
Summary: High pressure cold spray was used to prepare Ni electrodes with controlled 3D porous structures, and Al was added as a pore former. Heat treatment improved the adhesion of the coatings and resulted in porous Ni electrodes. The electrodes exhibited improved water splitting performance.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Multidisciplinary
Aurelien Sokeng Djoumessi, Jose Prince Madalaimuthu, Shahidul Alam, Aman Anand, Anastasia Sichwardt, Peter Fischer, Roland Roesch, Ulrich S. Schubert, Harald Hoppe
Summary: Thermal annealing is a commonly used processing technique for fabricating polymer solar cells, but it has limitations when combined with high throughput manufacturing techniques. Therefore, there is a need for faster treatment techniques that do not negatively affect plastic substrates. Flash lamp annealing is successfully demonstrated as a valid alternative to thermal annealing.
ADVANCED MATERIALS INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Sagar Bhattarai, T. D. Das
Summary: This study optimized the thickness parameters of organic/inorganic perovskite-based photovoltaic solar cells through comprehensive simulation, achieving higher efficiency and providing important information for related device structures.
Review
Environmental Sciences
Jose Alfonso Bautista-Lopez, Arturo Diaz-Ponce, Jose Rene Rangel-Mendez, Luis Felipe Chazaro-Ruiz, Takawira Joseph Mumanga, Patricia Olmos-Moya, Esmeralda Vences-Alvarez, Carlos Antonio Pineda-Arellano
Summary: Organic waste-derived solar cells (OWSC) are a type of third-generation photovoltaic cells that offer low manufacturing cost and environmental friendliness. This article provides a study and summary of OWSCs, covering different organic waste materials, preparation-to-assembly methodologies, optimization of performance, assembly configurations, photovoltaic parameters, research trends, advantages and disadvantages of solar cell technologies, and possible future trends. Industrial organic waste materials like paper, coal, and plastics are highlighted as attractive options for solar cell fabrication.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Medicine, Research & Experimental
ShiZhe Shao, Michael W. Stocker, Salvatore Zarrella, Timothy M. Korter, Abhishek Singh, Anne Marie Healy
Summary: The aim of this study was to investigate the effect of different polymers on the dissociation of cocrystals prepared by co-spray-drying API, coformer, and polymer. It was found that the inclusion of certain polymers, such as PVP and PVPVA, in solid dispersions with the cocrystal DPCC effectively improved its physical stability and prevented dissociation in a high-humidity environment. This improvement is attributed to the efficient mixing between the polymer and cocrystal at the molecular level. The results suggest that polymer-based solid dispersions have the potential to enhance the stability of cocrystals.
MOLECULAR PHARMACEUTICS
(2023)
Review
Engineering, Manufacturing
Ruslan Melentiev, Nan Yu, Gilles Lubineau
Summary: Polymer metallization via cold spray additive manufacturing is a promising technique for depositing thick metallic coatings on polymers and fiber-reinforced composites. The process, distinguished from other thermal spray methods, has shown significant progress with nearly 50 experimental reports published and promising applications in various fields. Recommendations were also given for enhancing data reuse in future studies on this technique.
ADDITIVE MANUFACTURING
(2021)
Article
Energy & Fuels
Shahriyar Safat Dipta, Md Habibur Rahaman, Walia Binte Tarique, Ashraful Hossain Howlader, Ayush Pratik, John A. Stride, Ashraf Uddin
Summary: Implementing a double-sided passivation approach can enhance the performance of n-i-p structured PSCs and improve the stability and photovoltaic properties of the cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Daniel Ourinson, Andreas Brand, Andreas Lorenz, Marwan Dhamrin, Sebastian Tepner, Michael Linse, Nathalie Goettlicher, Kosuke Tsuji, Jonas D. Huyeng, Florian Clement
Summary: This work presents two approaches to reduce the amount of silver on the rear side of M2-sized industrial iTOPCon solar cells. The Cu-based approach shows promise with similar power conversion efficiency compared to the conventional approach, while the Al-based approach exhibits some limitations but demonstrates the potential of such type of contact for iTOPCon solar cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Abasifreke Ebong, Donald Intal, Sandra Huneycutt, Thad Druffel, Ruvini Dharmadasa, Kevin Elmer, Apolo Nambo
Summary: This study demonstrates the successful metallization of a PERC silicon solar cell using screen-printable copper (Cu) paste. The Cu paste contains antioxidant additives and diffusion inhibitors to prevent oxidation and diffusion of Cu. The Cu-printed cells achieved an efficiency of 19% and showed no Cu diffusion after characterization tests. The long-term stability and effectiveness of the Cu diffusion barrier were also confirmed.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Senami Zogbo, Wilfried Favre, Olivier Bonino, Marie-Estelle Gueunier-Farret
Summary: Measuring specific contact resistivity (pc) is crucial for interface engineering in high efficiency solar cells. The Transfer Length Method (TLM) is commonly used for evaluating layer sheet resistance (Rsheet) and pc, but it is not suitable for metal/Transparent Conductive Oxide (TCO) interface evaluation in silicon heterojunction (SHJ) cells. This study investigates the parameters that restrict current confinement within the TCO, including mid-gap trap density (Dit) at the a-Si:H/c-Si interface and the activation energy (Ea = Ec - EF) variation of a-Si:H contact layers.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Jean-Baptiste Charpentier, Philippe Voarino, Julien Gaume
Summary: The phenomenon of ribbon lengthening in PV modules exposed to thermal cycling is not well explained in the literature. In this study, a three layers model is proposed to explain this effect, and the predictions of the model are validated through finite element method simulations and experiments. The results show that the model predictions are consistent with the indirect measurements, but not with the direct measurements. Additionally, it is inferred that the encapsulant plays a role after the solder failure.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Jean-Baptiste Charpentier, Philippe Voarino, Julien Gaume
Summary: This study investigates the problematic ribbon lengthening observed in PV modules exposed to high amplitude thermal cycling. A simplified system model is proposed and accurate predictions are obtained using the Finite Element Method. The results show that the thickness of the encapsulant has a substantial impact on the lengthening of the ribbons.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
S. Catalan-Gomez, E. Martinez Castellano, M. Schwarz, M. Montes Bajo, L. Dorado Vargas, A. Gonzalo, A. Redondo-Cubero, A. Gallego Carro, A. Hierro, J. M. Ulloa
Summary: This study investigates the use of core-shell gallium nanoparticles as functional light scatterers on solar cells. By optimizing the nanoparticle size, the short-circuit current of the solar cells is significantly improved. The underlying physical mechanism is studied through optical measurements and simulations, and a method to reduce the plasmonic effect of the nanoparticles is demonstrated.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
M. Gamel, G. Lopez, A. M. Medrano, A. Jimenez, A. Datas, M. Garin, I. Martin
Summary: In this study, a highly reflective ohmic contact to p-type c-Ge material is demonstrated, which can improve the efficiency of thermophotovoltaic devices. The experimental results show that this contact can simultaneously meet the requirements of good back surface passivation, low electrical resistivity, and high reflectivity. Moreover, simulations suggest that implementing these back contacts has the potential to achieve conversion efficiencies comparable to high-efficiency c-Ge TPV cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Hongyang Wei, Qing Xu, Dongchu Chen, Min Chen, Menglei Chang, Xiufang Ye
Summary: This study prepared solar selective absorption films based on anodic aluminum oxide (AAO) photonic crystals using a unique electrodeposition method. The Co-Ag electrodeposited film exhibited superior solar selective absorption properties and thermal stability.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Ankit Kumar, Ankit Chauhan, Jordi Llobet, Helder Fonseca, Patricia C. Sousa, Carlos Calaza, Gil Shalev
Summary: This study found that decorating subwavelength arrays with SiO2 quasi-nanolenses (qNL arrays) can enhance the absorption of the solar spectrum. Optical absorption mechanisms in qNL arrays were investigated using near-field scanning optical microscopy (NSOM), revealing that the enhancement is a result of the combination of effective antireflection coating, increased optical interactions between adjacent dielectrics for elevated light trapping, and strong light concentration due to the presence of qNLs.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
S. Pingel, T. Wenzel, N. Goettlicher, M. Linse, L. Folcarelli, J. Schube, S. Hoffmann, S. Tepner, Y. C. Lau, J. Huyeng, A. Lorenz, F. Clement
Summary: This study demonstrates the potential to reduce silver consumption in highly efficient SHJ cells through fine-line screen printing using low temperature paste with various screens. The results show that using finer mesh allows for narrower grid fingers and lower resistance, leading to improved cell efficiency. Simulation results indicate that module wire configuration is crucial for reducing silver consumption.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Xibo He, Jun Qiu, Wei Wang, Yicheng Hou, Yong Shuai
Summary: This paper proposes a novel phase change material with high thermal conductivity and stability for fast photo-thermal conversion and storage. The experimental results demonstrate excellent durability and stability of the phase change material, with good performance in thermal conductivity and thermal storage efficiency.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Qingyuan Liu, Lin Wang, Zheng Liu, Guohua Liu
Summary: A new evaporating structure consisting of liquid marble with tunable nanowire array is proposed to enhance solar evaporation. The experiments show that the liquid marble with nanowire array exhibits outstanding evaporation performance, which has significant implications for seawater desalination or wastewater treatment.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Hao Liu, Qiming Liu, Jinpei Liu, Yonggang Zhao, Yingjie Yu, Yue An, Ganghui Wei, Yanzheng Li, Yujun Fu, Junshuai Li, Deyan He
Summary: Moisture in the air is identified as the main cause of performance degradation in organic-inorganic hybrid solar cells. Exposure to air leads to the growth of thin oxide layer on the interface and the formation of silver sulfide, increasing the series resistance and decreasing the fill factor, thus degrading the cell performance.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
E. Blanco, P. Martin, M. Dominguez, P. Fernandez-Palacios, I. Lombardero, C. Sanchez-Perez, I. Garcia, C. Algora, M. Gabas
Summary: This study addresses the lack of optical parameters for p-type Ge wafers by determining the complex refractive indices of commercial Ge wafers with varying doping levels. The obtained data successfully reproduces the critical points associated with interband transitions and absorption features below the bandgap. The refractive indices were validated through experimental measurements and solar cell simulations.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)