Article
Green & Sustainable Science & Technology
M. A. Olgar, A. O. Sarp, A. Seyhan, R. Zan
Summary: In this study, CZTS thin films were synthesized using a two-stage process with different annealing temperatures, resulting in samples with varying crystal structures. Selecting appropriate annealing temperatures can lead to purer crystal structures, showing potential for practical application in solar cells.
Article
Energy & Fuels
Ju-Guang Hu, Tong Wu, Muhammad Ishaq, Umar Farooq, Shuo Chen, Zhuang-Hao Zheng, Zheng-Hua Su, Xiao-Dong Lin, Ping Fan, Hong-Li Ma, Xiang-Hua Zhang, Guang-Xing Liang
Summary: The CZTS thin-film solar cell achieved a record power conversion efficiency of 6.62% through pulsed laser deposition and sulfurization process, attributed to its optimized structure and composition. This research provides a facile and robust preparation method for CZTS films with enhanced photovoltaic properties and increased efficiency.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2021)
Article
Chemistry, Physical
S. Erkan, A. Yagmyrov, A. Altuntepe, R. Zan, M. A. Olgar
Summary: In this study, CZTS samples were produced on Mo and graphene/Mo coated glass substrates. The CZTS thin films were annealed in sulphur atmosphere using rapid thermal processing method. The results showed that using graphene as an inter-layer improved the crystalline quality and grain size of the CZTS films, leading to enhanced conversion efficiency of the solar cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Physics, Condensed Matter
Xin Liu, Xinyu Li, Xiang Li, Qiulian Li, Daoyong Zhang, Na Yu, Shurong Wang
Summary: Cu2SnS3 (CTS) thin films prepared by sulfurization exhibit good performance in solar cells, with the highest power conversion efficiency of 3.68%, as well as high short-circuit current density and peak external quantum efficiency.
PHYSICA B-CONDENSED MATTER
(2022)
Article
Materials Science, Multidisciplinary
Wafaa Magdy, Ayaka Kanai, Esam T. El Shenawy, Sherif A. Khairy, Hussam H. Hassan, Mutsumi Sugiyama, Fawzy A. Mahmoud
Summary: Adjusting the sulfur content and amount of doping is a promising approach to fabricate high-performance thin film solar cells. This study investigated the effects of sulfur content and Sb doping on the physical and optical properties of Cu2SnS3 (CTS) thin films. The results showed that Sb doping resulted in larger grain size and improved conversion efficiency of the CTS solar cells.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Zheng Lu, Hu Zhou, Chao Ye, Shi Chen, Jinyan Ning, Mohammad Abdul Halim, Sardor Burkhanovich Donaev, Shenghao Wang
Summary: Iron pyrite is a promising material for photovoltaics due to its low cost, stability, non-toxicity, and abundance. Electrochemical deposition is a cost-effective method suitable for large-scale production of iron pyrite solar cells. Sulfurization is essential in synthesizing high-quality iron pyrite films for low-cost and large-scale fabrication of iron pyrite solar cells.
Article
Chemistry, Physical
V. D. Moreno-Regino, R. Castanedo-Perez, J. Marquez-Marin, G. Torres-Delgado
Summary: In this study, CZTS films were prepared by the low-cost technique of spray pyrolysis, and their properties were investigated after a novel thermal treatment. The results showed that the crystalline quality and electrical resistivity of the CZTS films were significantly improved after the treatment, without substantial loss of sulfur concentration. The CZTS films prepared at a temperature of 400 degrees Celsius exhibited the best properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Neslihan Akcay, Valery F. Gremenok, Yunus Ozen, Konstantin P. Buskis, Ellen P. Zaretskaya, Suleyman Ozcelik
Summary: A two-step process was used to prepare Cu2SnS3 films in this study, and the sulfurization time was found to significantly affect the films' structural, morphological, optical, and electrical characteristics. The films were found to exhibit two structural polymorphs of Cu2SnS3. The fabrication of devices using In2S3/Cu2SnS3 stacks showed slightly enhanced efficiency with annealing.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Hassan Zare Asl, Seyed Mohammad Rozati
Summary: CuO:In2O3 nanocomposite thin films were successfully prepared by adding different weight percentages of indium chloride. The addition of In2O3 considerably improved the conductivity and electrochemical performance of the films, but excessive growth of In2O3 could limit ion storage.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Energy & Fuels
Raju Nandi, Pravin S. Pawar, KrishnaRao Eswar Neerugatti, Jae Yu Cho, Seongheon Kim, Seong Ho Cho, Yun Seog Lee, Jaeyeong Heo
Summary: The study reports the highest cell efficiency and short-circuit current density for α-SnSe thin-film solar cells grown via vapor-transport-deposition. It shows that the grain size and surface roughness greatly influence the shunt properties of the device, with significantly large shunt losses detected in cases of both small and extremely large grains.
Article
Chemistry, Multidisciplinary
Minghao Zhao, Junsheng Yu, Lijuan Fu, Youwei Guan, Hua Tang, Lu Li, Jiang Cheng
Summary: Selenylation significantly improved the efficiency of CuSbS2 solar cells by effectively doping Se into the lattice and reducing carrier recombination centers. The substitution rate of Se was very high (>39%), and the selenized device showed a much higher efficiency of 0.90% compared to the simply annealed device (0.46%), demonstrating the promising potential of this technique.
Article
Chemistry, Physical
Xuerui Han, Chengwu Shi, Yuye Huang, Kai Lv, Wangchao Chen, Fuling Guo, Yanqing Wang
Summary: CdS thin films were prepared by chemical bath deposition (CBD), and Sb2S3-y Se (y) thin films were prepared by a hydrothermal method. The quality of CdS thin films as the electron transport layer was evaluated in solar cells with the architecture of FTO/CdS/Sb2S3-y Se (y)/spiro-OMeTAD/Au. A precise preparation strategy, involving adjusting the thickness of CdS thin films prepared by CBD and changing the concentration of the CdCl2 methanol solution in the post-treatment process, was proposed for the first time. The strategy allowed for the successful production of a compact and full-coverage CdS thin film with a thickness of 40 nm and achieved an optimal power conversion efficiency of 8.46%.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Physics, Condensed Matter
L. Boulkaddat, A. Soussi, H. Najih, K. Abouabassi, A. Ait Hssi, N. Labchir, A. Elfanaoui, R. Markazi, K. Bouabid, A. Ihlal
Summary: Absorbent CuInS2 layers were successfully prepared using an electrodeposition technique, and the effects of sulfurization time on the properties of samples were investigated. The resulting films exhibited a polycrystalline chalcopyrite structure and showed good optical performance.
PHYSICA B-CONDENSED MATTER
(2023)
Article
Physics, Applied
Chao Chen, Xinxing Liu, Kanghua Li, Shuaicheng Lu, Siyu Wang, Sen Li, Yue Lu, Jungang He, Jiajia Zheng, Xuetian Lin, Jiang Tang
Summary: By applying ZnxCd1-xS to tune the interface band alignment between CdS and Sb2Se3, the efficiency of Sb2Se3 thin-film solar cells can be significantly improved.
APPLIED PHYSICS LETTERS
(2021)
Article
Energy & Fuels
M. Okil, Ahmed Shaker, Ibrahim S. Ahmed, Tarek M. Abdolkader, Marwa S. Salem
Summary: This study proposes a two-terminal monolithic Sb2S3/Si thin film tandem solar cell structure and investigates it through TCAD simulation. By optimizing the structure of the top sub-cell and the bandgap of the bottom thin-film silicon cell, a conversion efficiency of 10.10% is achieved. Further optimization of various parameters improves the efficiency of the tandem cell to 19.51%.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2023)
Article
Materials Science, Multidisciplinary
Sun Kyung Hwang, Ik Jae Park, Se Won Seo, Jae Hyun Park, So Jeong Park, Jin Young Kim
Summary: We demonstrate an efficient monolithic two-terminal perovskite/CZTSSe tandem solar cell by reducing the surface roughness of the electrochemically deposited CZTSSe bottom cell. The perovskite top cell with a bandgap of 1.65 eV is prepared on the flattened CZTSSe bottom cell, resulting in efficient perovskite/CZTSSe tandem solar cells. The best performing tandem device exhibits a high conversion efficiency of 17.5% without the hysteresis effect.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Sunkyu Kim, Yeongje Lee, Jongmin Park, Yujin So, Hee-Tae Jung, Min Jae Ko, Jong Chan Won, Sunho Jeong, Yun Ho Kim
Summary: In this study, an eco-friendly synthesis method was proposed for creating hybrid composites with ultralow dielectric properties for true 5G communication. The composites were made from aqueous aromatic polyimide polymers and dual-porous silica nanoparticles. The synthesis process involved the one-step polymerization of water-soluble poly(amic acid) in an aqueous solution, along with the functionalization of macroporous silica nanoparticles to ensure excellent dispersion stability. By varying the amount of dual-porous silica nanoparticles in the polyimide matrix, it was found that the addition of 5 wt% nanoparticles resulted in a composite with ideal dielectric properties and satisfactory mechanical characteristics.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Analytical
Chae-Yeon Kim, Samy M. Shaban, Soo-Yeon Cho, Dong-Hwan Kim
Summary: A multicolorimetric sensing platform for the detection of alkaline phosphatase (ALP) and interleukin-1beta (IL-1 beta) in saliva has been developed. It utilizes the enzymatic activity of ALP and the surface plasmon resonance properties of silver nanoplates to achieve a distinct color change. The sensor demonstrates high sensitivity and portability for the diagnosis of periodontal disease.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
In Cheol Kwak, Wan Ho Cho, Tae Hyun Kwon, Min Je Kim, Jong Ik Lee, Dong Gue Roe, Dong Hae Ho, Sae Byeok Jo, Moon Sung Kang, BongSoo Kim, Jeong Ho Cho
Summary: This paper proposes a versatile method for photopatterning silver nanowire networks, based on photoinduced nanowire-nanowire and nanowire-substrate cross-linking. The resulting hybrid transparent electrodes exhibit low roughness, excellent tolerance to oxidation or electrochemical processes and mechanical stability against bending, without compromising the optical/electrical characteristics achievable from the pristine silver nanowire network. The proposed method can facilitate the practical application of silver nanowire network-based transparent electrodes.
CHEMISTRY OF MATERIALS
(2023)
Article
Chemistry, Physical
A. Elaraby, Amr Elgendy, M. Abd-El-Raouf, M. A. Migahed, A. S. El-Tabei, Aboubakr M. Abdullah, Noora H. Al-Qahtani, Sami M. Alharbi, Samy M. Shaban, Dong-Hwan Kim, N. M. El Basiony
Summary: In this study, effective Gemini cationic surfactants (CSII, CSIV) were synthesized and characterized. The adsorptive properties of CSII and CSIV at HCl/air and C-steel/HCl interfaces were investigated using surface tension and electrochemical parameters. The results showed that CSII and CSIV have high adsorption affinity at the HCl/air interface, with aliphatic chains promoting surfactant adsorption. Electrochemical impedance spectroscopy and potentiodynamic polarization revealed that CSII and CSIV act as mixed inhibitors, significantly enhancing the charge transfer resistance of C-steel in HCl. Theoretical calculations and simulations supported the experimental findings, demonstrating the relationship between corrosion inhibition and molecular structure.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Materials Science, Multidisciplinary
Byoungwook Park, Hyemin Bae, Jong-Woon Ha, Changjin Lee, Jihoon Lee, Yuchan Heo, BongSoo Kim, Sung Cheol Yoon, Hyosung Choi, Seo-Jin Ko
Summary: Semi-transparent organic solar cells have potential in aesthetic and space-saving solar energy systems. This study focuses on the development of low bandgap donor polymers for efficient charge generation from NIR light and propagation of visible light. The BD-Cl:Y6 OSCs with a metal oxide/metal/metal oxide transparent electrode achieved a high average visible transmittance and power conversion efficiency, contributing to the enhancement of semi-transparent organic solar cells potential.
ORGANIC ELECTRONICS
(2023)
Article
Materials Science, Multidisciplinary
Jae Hyun Park, Su Geun Ji, Young Seon Yoon, Min-Ah Park, Sun Hwa Lee, Ki Hong Kim, Jin Young Kim
Summary: As an alternative to crystalline Si (c-Si) cells, perovskite (PVSK)/Si tandem solar cells (TSCs) are gaining attention for their higher efficiency. The tandem device combines the maturity of c-Si cells and the high performance of PVSK solar cells, leading to increasing expectations for commercialization. This perspective article summarizes the recent progress of PVSK/Si TSCs and reviews opto-electronic characterization methods, providing insights for further development.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Multidisciplinary
Xinpeng Zhang, Xiangyu Li, Lei Tao, Zemin Zhang, Hao Ling, Xue Fu, Shibo Wang, Min Jae Ko, Jingshan Luo, Jiangzhao Chen, Yuelong Li
Summary: An anti-solvent optimized adduct strategy is proposed to control perovskite crystallization in wide-bandgap perovskite solar cells. This strategy effectively reduces defect density and improves the open-circuit voltage and power conversion efficiency.
Article
Chemistry, Multidisciplinary
Heon Jun Jeong, Wanhyuk Chang, Beum Geun Seo, Yun Sung Choi, Keun Hee Kim, Dong Hwan Kim, Joon Hyung Shim
Summary: This study presents the performance and durability of protonic ceramic fuel cells (PCFCs) in an ammonia fuel injection environment. The use of a palladium (Pd) catalyst improves the low ammonia decomposition rate in PCFCs with lower operating temperatures. By treating the anode with Pd catalyst, the performance of PCFCs is significantly enhanced, with a peak power density of 340 mW cm (-2) at 500 degrees C. The Pd catalysts are deposited through an atomic layer deposition post-treatment process, improving current collection and reducing polarization resistance in the low-temperature region.
Article
Polymer Science
Saeah Kim, Huijeong Choi, Myeongjae Lee, Hyeseung Jung, Yukyung Shin, Seul Lee, Kyungkon Kim, Myung Hwa Kim, Kyungwon Kwak, BongSoo Kim
Summary: Organic solar cells (OSCs) with high power conversion efficiencies have been typically made using toxic halogenated solvents. Non-halogenated solvents have emerged as a potential alternative, but achieving optimal morphology has been challenging. In this study, we investigated the dependence of photovoltaic properties of all-polymer solar cells (APSCs) on various high-boiling-point non-halogenated additives. Our results showed that using an additive with an optimal boiling point can lead to better photovoltaic performance and favorable polymer blend morphology, contributing to the development of eco-friendly APSCs.
Article
Chemistry, Physical
Hui Hun Cho, Riya Dutta, Jang-Kyun Kwak, Changgyun Moon, Min-Jae Kim, Su-Jeong Suh, Dong-Hwan Kim, Jung Heon Lee, Sunkook Kim
Summary: In this study, a digital colorimetric sensor platform is shown to convert a conventional energy system, like gas-insulated switchgear (GIS), into a smart green energy system. The sensor platform includes a colorimetric sensor film (CSF), an array of silicon photodiodes, and a low-power-driven fiber optical photodiode with wireless communication. The photodiode measures the transmitted light of the color-variable CSF when exposed to sulfur dioxide (SO2) gas, a decomposition by-product of sulfur hexafluoride (SF6) gas in GIS. The electrical photocurrent measurement through the CSF is reported to be able to remotely and in real-time monitor the concentration of SO2 gas, showing comparable behavior to UV-Vis absorption measurement. The sensor has a detection limit of 0.78 ppm, sufficient for analyzing GIS insulation deterioration for green energy systems.
Article
Chemistry, Multidisciplinary
Peddaboodi Gopikrishna, JinHyeong Rhee, Seongwon Yoon, DuHyeon Um, Hyunjung Jin, Yongseok Jun, Huijeong Choi, Hae Jung Son, BongSoo Kim
Summary: To address the unfavorable morphology of photoactive blend films, two asymmetric nonfullerene acceptors (NFAs) are synthesized. These NFAs allow for effective tuning of light absorption and energy levels, offer high carrier mobilities, and allow for the formation of appropriate morphologies. The combination of these NFAs and a random copolymer enables the fabrication of highly efficient and scalable large-area organic solar cells (OSCs).
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Kicheon Yoo, Ashok Kumar Kaliamurthy, Jae-Joon Lee, Min Jae Ko
Summary: The performance of quasi-solid-state dye-sensitized solar cells (qs-DSSCs) using Polyvinylpyrrolidone/Polyethylene glycol (PVP/PEG) blends was investigated over a wide temperature range. The PVP/PEG blend exhibited low glass-transition temperature and high ionic conductivity, leading to high power conversion efficiency (PCE) at both low and ambient temperatures. Additionally, the qs-DSSC with PVP/PEG showed excellent long-term stability.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Mi Gyoung Lee, Jin Wook Yang, Ik Jae Park, Tae Hyung Lee, Hoonkee Park, Woo Seok Cheon, Sol A. Lee, Hyungsoo Lee, Su Geun Ji, Jun Min Suh, Jooho Moon, Jin Young Kim, Ho Won Jang
Summary: The introduction of indium oxide nanorods as an electron transport layer enhances the photoelectrochemical performance of bismuth vanadate. A tannin-nickel-iron complex is used as an oxygen evolution catalyst to accelerate the reaction kinetics. The fabricated TANF/BiVO4/In2O3 NR photoanode exhibits improved photoactivity with high photocurrent densities.
Article
Materials Science, Multidisciplinary
N. M. El Basiony, Ahmed Nasser, Eslam Hafez, A. Elaraby, Sh Shafek, Ah Elged, Dong - Hwan Kim, Samy M. Shaban
Summary: In this study, a Gemini-nonionic surfactant based on polyethylene glycol (GNs) was used to inhibit the corrosion of carbon steel by acidic solutions. The results showed that GNs effectively reduced the corrosion of carbon steel in 1 M HCl and 0.5 M H2SO4, acting as a hybrid corrosion inhibitor. The adsorption of GNs on the surface of carbon steel followed the Langmuir isotherm model.
MATERIALS TODAY COMMUNICATIONS
(2023)
