Article
Chemistry, Analytical
Lili Sun, Yun Guo, Yao Hu, Shengsen Pan, Zheng Jiao
Summary: The combinative strategy of metal oxide hybridized with other materials to construct an effective heterojunction offers a promising path for electronic devices development. The unique Tourmaline@ZnO core-shell structure showed excellent gas sensitivity to n-butanol, exhibiting larger specific surface area, richer oxygen vacancies, and narrower band gap compared to pure ZnO.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Engineering, Chemical
Yi Zhang, Yingying Cai, Jian Shi, Hideaki Morikawa, Chunhong Zhu
Summary: The novel hierarchical multi-biomimetic membrane made of polyurethane nanofibers with hydrophilic carbon nanospheres and carbon nanotubes anchored on the surface, not only collects fog in the fog flow but also uses sunlight-driven photothermal evaporation to collect water. With high water harvesting efficiency and reusability, this membrane provides a sustainable solution for producing clean drinking water.
Article
Chemistry, Physical
Waheed Iqbal, Jingjing Wang, Mudasir Ahmad, Lu Yang, Zhentao Wang, Chuanguang Qin
Summary: The use of multi-pore nanostructured g-C3N4 photocatalysts can effectively separate photogenerated charge carriers and enhance visible light photocatalytic performance. In this study, a novel technique based on P407 bubble clusters templating and fixation by freezing was introduced to fabricate 3D opened-up macroporous g-C3N4 nanostructures for photocatalytic H2 evolution. The resulting hierarchical nanostructures provide more active sites and promote the creation of heterogeneous catalytic interfaces, leading to a remarkable visible light-induced H2 evolution rate.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Analytical
Chen Su, Lu Zhang, Yutong Han, Cong Ren, Bolong Li, Tao Wang, Min Zeng, Yanjiu Su, Nantao Hu, Zhihua Zhou, Ying Wang, Zhi Yang, Lin Xu
Summary: A novel flower-like hierarchical NiO-ZnO heterostructure was synthesized using a one-step hydrothermal method with the assistance of glucose and further calcination treatment. Gas sensors based on this heterojunction showed excellent response and stability for glycol detection at relatively low operating temperature. This work demonstrates a great potential for efficient glycol gas detection by directly synthesizing G-NiO-ZnO heterojunction in a one-step approach.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Energy & Fuels
Muhammad Azhar Aditama, Muhammad Nu'man Al Faris, Poetro Sambegoro
Summary: This research investigated the enhancement of solar absorptivity in a planar structure perovskite solar cell by implementing various nanostructures. The study found that nanocone architecture had the highest solar absorptivity, offering an alternative design option to increase the cell's efficiency.
Article
Chemistry, Physical
Feng Li, Xiaoqing Cai, Gaoxing Jing, Ruijia Huang, Guangjie Song, Dong Wang, Wenwen Chen
Summary: The present study developed a facile method based on the Rayleigh-Benard convection to synthesize hierarchical nanomaterials-hydrogel evaporators. The SnSe-hydrogel evaporator demonstrated a high water-evaporation rate and energy conversion efficiency under one-sun irradiation, and showed excellent mechanical properties and ion-rejection rates during a long-term seawater evaporation test. This research provides a new route for the synthesis of functional nanocomposite hydrogels for solar-powered water purification.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Environmental Sciences
Nadeem Raza, Waseem Raza, Hajera Gul, Ki-Hyun Kim
Summary: The novel heterostructured photocatalyst (ZnO-ZnTe) exhibit efficient photocatalytic performance for the removal of azo dye, showing high potential as a cost-effective and green remediation technique in water treatment processes.
ENVIRONMENTAL RESEARCH
(2021)
Article
Materials Science, Multidisciplinary
Y. Nirmal Rajeev, C. Maria Magdalane, G. Ramalingam, L. Bhushan Kumar, Norah Alwadai, M. S. Al-Buriahi
Summary: A solvothermal method was utilized to synthesize CTAB templated TiO2 nanoparticles, which were characterized using various techniques. Photocatalytic studies demonstrated that CTAB-assisted TiO2 nanoparticles exhibited higher efficiency in degrading Congo red dye, indicating stability and reusability for practical applications.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Optics
Xinping Zhang, Xuhang Shi, Yang Li, Fuqiang Wang, Bo Lin
Summary: This study proposed the use of biomimetic hierarchical structure to address the issues of local overheating, inadequate light absorption, and uneven distribution of solar irradiation energy flow in concentrated solar technology, aiming to enhance the conversion and utilization efficiency of concentrated solar energy. The research showed that the biomimetic hierarchical structure can significantly improve the effective light absorption and energy flow diffusion efficiency of concentrated solar energy compared to uniform porous structure.
Article
Spectroscopy
Guanwen Su, Leping Dang, Guozhao Liu, Tingyu Feng, Wei Wang, Chenguang Wang, Hongyuan Wei
Summary: In this study, a 3D ZnO/Ag substrate was fabricated using porous zeolite imidazole frameworks (ZIF-8) derived ZnO nanoparticles (NPs) followed by evaporation-induced self-assembly of Ag NPs over it. The substrate showed ultra-sensitivity for detecting various types of molecules and exhibited excellent photocatalytic performance. The simulations suggested that the widespread hot spot structures on the substrate are the main reason for its SERS ultra-sensitivity.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2022)
Article
Materials Science, Multidisciplinary
G. Arthi, J. Archana, M. Navaneethan, S. Ponnusamy, Y. Hayakawa, C. Muthamizhchelvan, Sankar Ganesh Ramaraj
Summary: 3D hierarchical rutile TiO2 nanostructures were successfully prepared using the solvothermal method. X-ray diffraction confirmed the formation of the anatase phase. High-resolution transmission electron microscopy revealed the self-assembly of several hundred radially distributed nanofibers into a nanostructure. The cone-shaped nanostructure exhibited a short circuit current density of 2.8 mA/cm2, an open circuit voltage of 0.70 V, and a fill factor of 0.55. The efficiency of the cone-shaped hierarchical rutile TiO2 structures was 1.12%.
Article
Engineering, Chemical
Kai Zhang, Wen-Fang Cai, Shi-Feng Zhao, Yi Zhao, Qing-Yun Chen, Yun-Hai Wang
Summary: Developing photothermal materials is an efficient strategy to enhance the performance of interfacial solar steam generation (ISSG). In this work, a p-n CuO/ZnO heterojunction was created to improve its nonradiative relaxation and utilized for ISSG. The combination effect of CuO and ZnO led to enhanced carrier separation and migration, resulting in improved light absorption range and excellent photothermal conversion properties. A triple-layer structure was designed for efficient ISSG, achieving a high evaporation rate and photothermal conversion efficiency. The CZO-CP ISSG also showed potential applications in wastewater and seawater purification and desalination.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Materials Science, Multidisciplinary
Tianming Zhao, Qi Wang, An Du
Summary: This study presents a nanostructure of CuS/ZnO on steel mesh for piezo-photocatalytic H-2 production, showing promising performance in reducing recombination rate and producing H-2.
Article
Engineering, Electrical & Electronic
V. R. Sudheer, S. R. SarathKumar, S. Sankararaman
Summary: The study presents theoretical modeling of two surface plasmon resonance (SPR) based biosensing probe configurations on optical fiber, Metal/ZnO/MXene and Metal/ZnO: Pd/MXene, for potential COVID-19 detection. The sensors demonstrate high sensitivities and are suitable for samples with refractive index values within a specific range.
OPTICAL AND QUANTUM ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
S. A. Al-Ghamdi, A. A. A. Darwish, Taymour A. Hamdalla, K. F. Abd El-Rahman
Summary: The study focused on the fabrication, structural and electrical characterization of 2,7,12,17-tetra-tert-butyl-5,10,15,20-tetraaza-21H,23Hporphine (TTBTP) films for potential application in photovoltaic devices. The TTBTP/n-Si heterojunction thin film exhibited promising characteristics including contact barrier, rectification ratio, and temperature dependency of diode parameters. Under light, the TTBTP/n-Si HJ demonstrated photovoltage conduct and showed good photovoltaic parameters such as open-circuit voltage, short-circuit current, and power conversion efficiency.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2021)
Article
Chemistry, Multidisciplinary
Wen-Jing Kang, Yi Feng, Zhe Li, Wen-Qi Yang, Chuan-Qi Cheng, Zi-Zheng Shi, Peng-Fei Yin, Gu-Rong Shen, Jing Yang, Cun-Ku Dong, Hui Liu, Fu-Xing Ye, Xi-Wen Du
Summary: In this study, self-supported Cu catalysts with tensile strain were prepared using a plasma spraying technique, which improved their catalytic activity. The Cu electrode exhibited excellent electrocatalytic performance in different electrolytes, especially at high current densities.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yu-Yao Bai, Wen-Jing Kang, Cong Xi, Wen-Qi Yang, Zhe Li, Zi-Ang Ma, Cun-Ku Dong, Hui Liu, Jing Mao, Fu-Xing Ye, Xi-Wen Du
Summary: A self-supported silver electrode prepared by plasma spraying was used for catalyzing the hydrogen evolution reaction. The high-energy crystal planes of the silver catalyst enhance the hydrogen adsorption and improve the intrinsic catalytic activity, resulting in a lower overpotential compared to Ag foil and commercial Ag powder.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Chuan-Qi Cheng, Yi Feng, Zi-Zheng Shi, Yun-Long Zhou, Wen-Jing Kang, Zhe Li, Jing Mao, Gu-Rong Shen, Cun-Ku Dong, Hui Liu, Xi-Wen Du
Summary: In this study, highly conjugated g-CN nanofoam was successfully synthesized through an iodide substitution technique. Experimental analysis and theoretical calculations demonstrated its high photocatalytic activity.
Article
Chemistry, Multidisciplinary
Li-Ping Ji, Yi Feng, Chuan-Qi Cheng, Zhe Li, Wei Guan, Bin He, Zhe Liu, Jing Mao, Shi-Jian Zheng, Cun-Ku Dong, Yang-Yang Zhang, Hui Liu, Lei Cui, Xi-Wen Du
Summary: An active copper catalyst with high-energy surfaces was prepared using the friction stir welding (FSW) technique, exhibiting excellent acidic hydrogen evolution reaction (HER) activity even surpassing that of Pt foil at high current densities (>66 mA cm(-2)). Density functional theory calculation revealed that the high-energy surface facilitated the adsorption of hydrogen intermediates, thereby accelerating the HER. The epitaxial growth induced by FSW opens a new pathway for engineering high-performance catalysts, and it also enables the mass production of low-cost catalysts, which is advantageous for industrial applications.
Article
Electrochemistry
Xinlin Chen, Ran Jiang, Cunku Dong, Hui Liu, Jing Yang, Xiwen Du
Summary: This study presents a new strategy for efficient water electrolysis by constructing nano heterostructures of CoO-Co9S8. The electrocatalyst exhibits optimized reaction intermediates absorption and greatly enhanced bifunctional HER/OER activities, enabling efficient overall water splitting at low cell potential.
Article
Chemistry, Multidisciplinary
Jiaqi A. Wang, Zhou Jiang, Guiming Peng, Eli Hoenig, Gangbin Yan, Mingzhan Wang, Yuanyue Liu, Xiwen Du, Chong Liu
Summary: The valence state of Mo plays a critical role in the performance of catalysts for ammonia synthesis and nitrogen reduction reaction. However, the dissolution of Mo as MoO42- in alkaline electrolytes has hindered the study of the valence effect of Mo in nanoparticle catalysts. In this study, a MoO2+x catalyst enriched with surface Mo6+ was developed, which showed enhanced ammonia yield and Faradaic efficiency compared to the MoO2 catalyst without Mo6+. The stability and speciation of Mo6+ in the catalyst were also analyzed.
Article
Chemistry, Physical
Huaping Chen, Shizhang Qiao, Jing Yang, Xiwen Du
Summary: Efficient and low-cost bifunctional HER/OER electrocatalysts for overall water splitting are highly desirable. In this study, Ni5Mo/NiCo2O4 heterojunctions loaded on nickel foam were prepared and exhibited excellent bifunctional activities. The combination of Ni5Mo and NiCo2O4 optimized the electronic structures of the active sites, leading to enhanced HER and OER activities. This work highlights the synergy effect of alloy and oxide heterojunctions in efficient water electrocatalysis.
MOLECULAR CATALYSIS
(2022)
Article
Chemistry, Physical
Yanbo Li, Chuanqi Cheng, Shuhe Han, Yanmei Huang, Xiwen Du, Bin Zhang, Yifu Yu
Summary: In this study, low coordination number Ru nanosheets (Ru-LCN) were prepared and showed high performance in electrocatalytic reduction of NO to ammonia under low NO concentrations. The reaction pathway and enhanced mechanism were revealed through experiments and theoretical calculations.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Shiyu Niu, Zhenwen Yang, Fugong Qi, Ying Han, Zizheng Shi, Qiwen Qiu, Xiaopeng Han, Ying Wang, Xiwen Du
Summary: This study reports an electrical discharge induced bulk-to-nanoparticle transformation method for the preparation of high-entropy carbide (HEC) nanoparticles, providing a promising approach for the development of high-performance catalysts. The obtained HEC nanoparticles exhibit excellent catalytic activity and durability, indicating significant importance for catalyst development.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Wei Wang, Qiang Luo, Jinyang Li, Linqian Li, Yunhong Li, Xiaobing Huo, Xiwen Du, Zhongsheng Li, Ning Wang
Summary: This study introduces a photothermal nanozyme with haloperoxidase-like activity, which generates heat to greatly accelerate the reaction kinetics. It exhibits superior antibacterial activity and can be used for biofouling prevention in real marine conditions.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Yi Feng, Zhe Li, Su Kang, Chuan-Qi Cheng, Bin He, Wei Guan, Xin-Zhuo Hu, Li -Ping Ji, Peng-Fei Yin, Jing Yang, Cun-Ku Dong, Hui Liu, Lei Cui, Xi-Wen Du
Summary: This study successfully converts inactive copper into active HER catalyst by introducing and retaining dislocations, resulting in high turnover frequency, low overpotential, and long-term durability.
Article
Chemistry, Physical
Mei-Yue Cheng, Chuan-Qi Cheng, Yi Feng, Le-Qi Fu, Fei-Fei Zhang, Tian-Tian Yang, Zhe Li, Yi-Chen Ruan, Zhen-Wen Yang, Kui Lin, Hui Liu, Xi-Wen Du
Summary: Water electrolysis for hydrogen production requires highly active and inexpensive catalysts. In this study, a highly efficient self-supporting Cu electrode was rapidly prepared by combining ultrasonic impact nanocrystallization technology with nital etching method. The as-prepared electrode exhibited low overpotential and self-optimizing property during the hydrogen evolution reaction.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yi-Ming Bai, Chuan-Qi Cheng, Zi-Zheng Shi, Xin-Zhuo Hu, Si-Wei Yan, Ze-Yu Zhang, Jing Yang, Gu-Rong Shen, Peng-Fei Yin, Cun-Ku Dong, Hui Liu, Xi-Wen Du
Summary: Bismuth porous nanosheets (Bi PNSs) with high selectivity and catalytic activity were synthesized without any surfactants or templates. The excellent performance of Bi PNSs was found to originate from the abundant kink sites on the pore walls, which reduce the energy barriers for CO2 electroreduction.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Rui Zhang, Xiao-Hua Liu, De-Yao Wu, Hai-Bin Wang, Chuan-Qi Cheng, Qian-Jin Guo, Jing Mao, Tao Ling, Cun-Ku Dong, Hui Liu, Bo-Qun Zhang, Xue-Li Zheng, Li-Li Han, Jing-Min Zhang, Ashley Head, Xiao Tong, Zhixiu Liang, Jun Luo, Huolin L. Xin, Xi-Wen Du
Summary: This study predicts an unprecedented atomically thin ZnS2 monolayer and successfully prepares this material through a metal-confined chemical vapor deposition strategy. The ZnS2 monolayer possesses unique electron-deficient properties and exhibits high catalytic activity in dinitrogen electroreduction. This work is of great significance for the development of previously nonexistent or inaccessible 2D transition metal dichalcogenide materials.
Article
Chemistry, Physical
Xifeng Luo, Ran Jiang, Ziang Ma, Tiantian Yang, Hui Liu, Hui Deng, Wenhong Wu, Cunku Dong, Xi-Wen Du
Summary: This study elucidated the effect of Ag's work function on the electrochemical reduction of CO2 to CO by controlling the ratio of exposed crystalline planes. It was found that a higher proportion of Ag(110) to Ag(100) leads to a lower work function, resulting in enhanced electrochemical activity and selectivity for CO production. This research demonstrates a promising strategy to improve the electrochemical performance of metal catalysts by tuning their work functions through regulating exposed crystalline planes.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2022)
Article
Materials Science, Multidisciplinary
Muhammad Haris Azhar, Tayyaba Noor, Naseem Iqbal, Neelam Zaman, Sarah Farrukh
Summary: This study uses a novel adsorbent Metal Organic Framework (MOF) and its composites to adsorb CO2. Experiment results show that 5 wt% g-C3N4/Ni-BDC MOF exhibits the highest adsorption capacity.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Ayumu Nodera, Shinya Aikawa
Summary: In this study, a CO2 sensor capable of low-temperature operation was fabricated using an open-channel-type thin-film transistor structure with a polar surface of an oxide semiconductor. The sensor showed a sensitivity 2.9 times greater than that under an inert N2 atmosphere at an operating temperature of only 150 degrees C. The results suggest that TFTs fabricated with polar surfaces of oxide semiconductors are useful for gas-sensing applications.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Bindhyabasinee Mishra, Jyotirmayee Nanda, Subhra S. Brahma, K. J. Sankaran, R. Sakthivel, S. Ghadei, S. Suman
Summary: In this study, a series of polycrystalline mixed spinel ferrites were synthesized and characterized. The Mg0.5Zn0.5La0.05Fe1.95O4 ferrite showed the best response and recovery time, indicating its potential as a material for LPG sensing.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Review
Materials Science, Multidisciplinary
Rajashree Panda, Mitrabhanu Behera, A. Arun Kumar, Dhananjay Joshi
Summary: Rare earth doped aluminate-based phosphors are preferred over sulfide-based phosphors. The unique luminescence features of lanthanide-based materials are being utilized for multidisciplinary research and inventive applications. The past years have seen an increase in research interest in aluminate-based phosphors, leading to improvements in their long-lasting phosphorescence and phosphorescence efficiencies. Combustion synthesis route is an efficient technique for preparing nano-phosphor due to its simplicity and cost-effectiveness.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Review
Materials Science, Multidisciplinary
Younes Zohrabi
Summary: Water is essential for the survival of living organisms, but industrialization has led to contamination of water sources with heavy metals and harmful pollutants. Magnetic nano ferrites have shown potential in effectively removing heavy metals from water due to their magnetic characteristics, high surface area, surface active sites, chemical stability, and ease of modification. This review explores recent literature on the synthesis and application of magnetic ferrites for removing heavy metals from water, aiming to provide a comprehensive understanding for future research.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Baolin Liu, Chenxin Xie, Guanglei Qian, Lishan Zhou, Chenglei Zhang, Lingzhi Zhu
Summary: In this study, a self-cleaning CuO-PdO-Pd/Ti membrane has been developed for the removal of small-sized pollutants. The membrane exhibited superior removal ability and permeability compared to conventional membranes, and maintained high efficiency even after repeated tests. The CuO-PdO-Pd/Ti membrane also showed excellent removal efficiency when treating real wastewater, indicating its high potential for practical applications.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Debabrata Panda, Akhilesh Kumar Sahu, Krunal M. Gangawane
Summary: A variety of hierarchical nanoporous silica aerogels were synthesized from well-dispersed silica sols, exhibiting diversified particle distributions and excellent thermal properties. The silica aerogels showed low thermal conductivity and high-temperature resilience. Surface modification and dilution of silica sols further improved the thermal resistance of the aerogels. The resilient skeleton structure developed from tiny particles effectively restricted heat dissipation and maintained the porous network at high temperatures.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Hardy Shuwanto, Hairus Abdullah, Young Ku, Jenni Lie
Summary: In this study, a defective system of V-doped Fe2O3 with Pt as a cocatalyst was used for photoelectrochemical water oxidation. The defects in the VFPt-2.5 photoanode were characterized by XPS and EPR analyses. The SEM and TEM analyses revealed that the electrodeposited V-doped alpha-Fe2O3 had a nanosized morphology with an average diameter of 12 nm and a thickness of 300 nm. Under light irradiation, the VFPt-2.5 photoanode achieved a remarkable onset potential and photocurrent density. The stability test showed that Pt helped overcome the charge recombination caused by surface states.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Reza Gholipur, Hemin Mohammed Ali Khalifa, Khatereh Afrouzeh
Summary: Developing doped cathode materials is crucial for achieving low cost and high-performance energy storage. LiMn1.977(Ce, Cu, Ti, CeCuTi)0.023O4 nanoparticles show unmatched high structural stability, capacity, and safety during charge/discharge cycles. Ti-doped LiMn2O4 cathode calcined at 700 degrees C demonstrates the highest capacity and retention when multi-walled carbon nanotubes are added. The presence of titanium increases the porosity for reversible lithium storage and the dielectric constant.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
T. Amutha, M. Rameshbabu, S. Sasi Florence, G. Ramalingam, S. Muthupandi, K. Prabha
Summary: This research provides an overview of the structural analysis and magnetic characteristics of dilute magnetic semiconductor oxides (DMSOs) based on binary metal oxide nanomaterials with different ferromagnetic or paramagnetic dopants. The coprecipitation method was used to create nanoparticle samples, and the results showed certain ferromagnetic behavior and increased magnetic properties.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Preeti Kumari, Vipul Srivastava, Ramesh Sharma, Hamid Ullah
Summary: In this study, the rare-earth ferrites perovskite RFeO3 (R = Pr, Nd) were investigated for their various properties including structural, electronic, magnetic, optical, thermodynamic, and thermoelectric behavior. The study found that these materials exhibit half-metallic behavior under certain conditions, and their optical and thermoelectric properties were evaluated, making them potential candidates for spintronic devices and UV absorbers.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Shuting Yuan, Tianchi Wang, Tian Feng, Jian Kong
Summary: In this study, Fe/Fe3O4/C hollow electromagnetic wave absorbers were prepared using hollow ceiba fibers as templates. The proposed hollow structure could reflect and scatter electromagnetic waves multiple times, leading to significant energy consumption. The impedance matching of magnetic materials and biochar enabled the joint absorption of magnetic and dielectric losses to absorb electromagnetic waves.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
G. R. Mamatha, B. R. Radha Krushna, J. Malleshappa, S. C. Sharma, Satish Kumar, C. Krithika, Nandini Robin Nadar, Dileep Francis, K. Manjunatha, Sheng Yun Wu, H. Nagabhushana
Summary: Nanostructured SrAl2O4:Tb3+/M (M = Li+, Na+, K+, Ca2+, Bi3+) green nanophosphors were synthesized using an environmentally friendly combustion process and Areca nut as a sustainable fuel source. The introduction of alkali metal co-dopants optimized the luminescent intensity and showed potential for data security applications.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Tomoyuki Tachibana, Akihiro Yabuki
Summary: A one-step thermal-reduction method was used to synthesize copper sulfide films with different compositions and pillar-like structures, through adjusting the sulfur ratio and incorporating excess sulfur during the synthesis process.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Manal A. Mahdy, I. K. El Zawawi, Manal Mounir Ahmad
Summary: Pure PVA and its nanocomposites with CuO and/or CoFe2O4 films were prepared and characterized. The optical properties of the films can be modulated by controlling the percentage of CuO and/or CoFe2O4. The nanocomposites exhibit good ferromagnetic behavior, making the prepared films potentially useful in antenna system miniaturization and flexible magneto-electronic applications.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2024)