Article
Chemistry, Multidisciplinary
Christian Stienen, Julian Grahl, Christoph Woelper, Stephan Schulz, Georg Bendt
Summary: Partially fluorinated beta-diketonate complexes were synthesized and compared with related complexes, showing positive thermal effects on metal acetylacetonates without clear trends. These complexes used as precursors in MOCVD process can yield metal or metal oxide thin films.
Article
Chemistry, Physical
Lei Yue, Dan Xu, Ziyu Wei, Tingting Zhao, Tao Lin, Reshef Tenne, Alla Zak, Quanjun Li, Bingbing Liu
Summary: This study investigates the behavior of WS2 nanocrystals with varying shapes and sizes under high pressure, and reveals that morphology and size play crucial roles in determining the high-pressure properties of WS2 nanoparticles.
Article
Chemistry, Physical
Xisong Mao, Xuewen Xia, Junqi Li, Chaoyi Chen, Xiaoying Gu, Song Li, Yuan-Pei Lan
Summary: Various structured CeCO3OH were successfully synthesized by a self-assembly hydrothermal method, and a novel tactic to produce CeO2-x with excellent photocatalytic activity by decomposing CeCO3OH in H-2 was proposed. The samples obtained in H-2 exhibited the richest surface oxygen vacancies, narrowest band gap, lowest PL intensity, and significantly enhanced photodegradation ratio of methylene blue compared to those obtained in other atmospheres. The new strategy of decomposing CeCO3OH in H-2 is an efficient and convenient technique for the production of active CeO2-x.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Michael J. Cowan, Anantha Venkataraman Nagarajan, Giannis Mpourmpakis
Summary: This study introduces novel structure-property relationships to predict the electronic properties of AgAu TPNCs, opening avenues for high throughput screening of bimetallic TPNCs.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Chemistry, Applied
K. D. Martinson, I. S. Kondrashkova, M. I. Chebanenko, A. S. Kiselev, T. Yu Kiseleva, V. I. Popkov
Summary: Nanostructured HoFeO3 powders were synthesized by solution combustion method with different glycine-nitrate ratios. Two crystal structures, orthorhombic and hexagonal, were identified in the synthesized samples. The magnetic structure of HoFeO3 was found to be magnetically ordered in the presence of stoichiometric glycine. The size of the obtained compositions varied with the G/N ratio. The orthoferrites exhibited a ferromagnetic structure, and their magnetic parameters changed systematically with the redox ratio of the reaction mixture.
JOURNAL OF RARE EARTHS
(2022)
Article
Crystallography
Peng Fei Ji, Peng Fei Li, Yong Li, Hao Jie Du, Ya Juan Hao, Yue Li Song, Feng Qun Zhou
Summary: This study synthesized high-quality CdSe nano flakes with a hexagonal structure and networking structures using an elemental direct reaction method. The band gap of CdSe nano flakes was estimated to be approximately 2.44 eV using the Kubelka-Munk method. Multi-peak emissions were observed at room temperature under the excitation of 325 nm, which were attributed to the transition of band gap, selenium vacancies, interstitial cadmium, and surface defects associated with oxygen. Understanding and regulating the defect states are crucial for the application of CdSe nano flakes in optoelectronic devices.
JOURNAL OF CRYSTAL GROWTH
(2022)
Article
Nanoscience & Nanotechnology
L. G. Michaud, E. Azrak, C. Castan, F. Fournel, F. Rieutord, S. Tardif, P. Montmeat
Summary: This study successfully manufactured silicon-on-polymer (SOP) by transferring a silicon thin film from a silicon-on-insulator (SOI) substrate to a flexible polymer, obtaining SOPs containing 20-205 nm thin Si films. Various parameters of the transfer process were investigated, such as adherence, bonding temperature, and Si film thickness.
MATERIALS TODAY NANO
(2021)
Article
Environmental Sciences
Junshan Zhang, Xisong Mao, Yuanpei Lan, Junqi Li, Chaoyi Chen, Jian Yang, Wei Zhang, Arun Murali, Li Liu, Qin Wang
Summary: Chemical reducing or rare earth cations (RE) doping were used to enhance the photocatalytic performance of ceria, but surprisingly hindered the photodegradation of methylene blue (MB). The excess oxygen vacancies (OVs) formed in RE-doped ceria reduced the separation efficiency of photo-excited e(-)/h(+). The recombination of e(-)/h(+), promoted by RE dopants and excess OVs, weakened the generation of active species and ultimately weakened the photocatalytic activity of ceria.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Chemistry, Physical
Huaiwei Zhang, Yifan Chen, Liang Bao, Yong-Jun Yuan
Summary: This study demonstrates the formation of double quantum dots in CeCO3OH materials, which improves the performance of the catalyst and achieves a higher N-2 photofixation rate.
JOURNAL OF CATALYSIS
(2022)
Article
Crystallography
Qi Zhang, Li Wang, Yecheng Zou, Yongzhe Li, Yunlong Zhao, Chunyong Hu, Mengyao Geng, Guangchao Yin, Meiling Sun
Summary: A high-performance composite photocatalyst was prepared by using TiO2 nanoflowers dominated by high-energy {001} facets as template and Zn-Cu-In-Se (ZCISe) quantum dots (QDs) as sensitization material. The composite exhibited significantly improved photocatalytic abilities for Rhodamine B (Rh B) under visible light. The enhancements were attributed to the unique surface hetero-junctions and improved charge transport and separation characteristics.
JOURNAL OF CRYSTAL GROWTH
(2023)
Article
Materials Science, Multidisciplinary
H. Yibole, B. Lingling-Bao, J. Y. Xu, H. Alata, O. Tegus, W. Hanggai, N. H. van Dijk, E. Bruck, F. Guillou
Summary: This study demonstrates that (Fe,Co)(2)(P,Si) single crystals have promising magnetic properties for potential use as alternatives to rare-earth magnets. Silicon substitution improves the Curie temperature of the material, making it suitable for room temperature applications.
Article
Materials Science, Multidisciplinary
S. D. Lokhande, H. A. Varudkar, M. B. Awale, L. H. Kathwate, J. S. Dargad, V. D. Mote
Summary: Undoped and cobalt-doped ZnO nanoparticles were synthesized using the co-precipitation method. XRD and FESEM-EDS analysis was conducted for phase identification, morphological, and quantitative analysis. The XRD results showed that the samples had a polycrystalline nature with a hexagonal wurtzite structure, and the crystallite size increased with cobalt incorporation. FESEM analysis revealed agglomerated particles, indicating successful doping. A redshift in the absorbance peak was observed. Raman spectra confirmed the formation of wurtzite ZnO with all characteristic peaks.
Article
Chemistry, Multidisciplinary
Magnus Klove, Sanna Sommer, Bo B. Iversen, Bjork Hammer, Wilke Dononelli
Summary: A machine learning model incorporating density functional theory calculations and comparison of PDFs can be used to determine the crystal structure of unknown compounds, allowing for the identification of metastable configurations and stacking disorders.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yuqi Guo, Adway Gupta, Matthew S. Gilliam, Abhishek Debnath, Ahmed Yousaf, Sanchari Saha, Mark D. Levin, Alexander A. Green, Arunima K. Singh, Qing Hua Wang
Summary: Liquid phase exfoliation (LPE) has been successfully demonstrated for boron carbide (B4C) to produce ultrathin nanosheets, revealing a mechanism of cleavage along different crystallographic planes. The nanosheets produced by LPE have an average thickness of 31.4 nm and average area of 16,000 nm(2), with additional carbon-rich peaks observed in Raman spectroscopy. High-resolution transmission electron microscopy (HRTEM) confirms the existence of various cleavage planes among the exfoliated nanosheets.
Article
Food Science & Technology
Wenbo Zhu, Lingyan Zhao, Jingyi Jin, Yang Song
Summary: By utilizing the fluorescence immunoassay method with nanoparticles, the insecticides IMI and CLO can be simultaneously detected with high sensitivity. The method has low detection limits and a good linear range, and shows good applicability in fruits and vegetables, correlating well with the results from high-performance liquid chromatography analysis of actual samples.
Article
Materials Science, Multidisciplinary
Deyong Zheng, Huihui Jin, Yucong Liao, Pengxia Ji
Summary: In this study, a highly stable and efficient catalyst, fluorine-doped Co3O4 (F-Co3O4), was developed for hydrogen production by water electrolysis. The F-Co3O4 catalyst exhibited a remarkable reduction in overpotential and demonstrated excellent stability for over 100 hours.
Article
Materials Science, Multidisciplinary
Ziwen Lv, Jintao Wang, Fengyi Wang, Jianqiang Wang, Fuquan Li, Hongtao Chen
Summary: Adding Cu6Sn5 nano particles can effectively inhibit the overgrowth of intermetallic compounds at the interfaces of solder joints in electronic devices, providing a solution to this issue. A new growth mechanism of intermetallic compounds at the interfaces was identified.
Article
Materials Science, Multidisciplinary
Jun Wang, Jiawei Chen, Wanru Liao, Fangyang Liu, Min Liu, Liangxing Jiang
Summary: A BiOI/AgI/Ag plasmonic heterostructure photocathode was successfully designed through electrodeposition, ion-exchange, and illumination methods. This photocathode exhibits superior performance in photoelectrochemical water splitting.
Article
Materials Science, Multidisciplinary
Xiaoxiao Liu, Xianxian Zhou, Xiaotao Ma, Qinbo Yuan, Shibin Liu
Summary: In this study, the authors propose a method to accelerate the reaction of polysulfides in lithium-sulfur batteries using a Ni@OC Mott-Schottky heterojunction as a catalyst. The experimental results demonstrate that the charge redistribution at the Ni@OC interface accelerates electron transfer and enhances catalytic activity, leading to improved reaction kinetics and battery performance.
Article
Materials Science, Multidisciplinary
Dayou Ma, Mohammad Rezasefat, Joziel Aparecido da Cruz, Sandro Campos Amico, Marco Giglio, Andrea Manes
Summary: The matrix has a significant effect on the impact resistance of composite materials. Replacing a brittle polymer with a more flexible one can improve impact resistance, but it poses challenges to standard testing methods. This study designs a new fixture for testing the low-velocity impact of soft composites and investigates the effect of the fixture on the mechanical performance.
Article
Materials Science, Multidisciplinary
Lingchang Wang, Qihang Yang, Huzhen Li, Ming Wei, Qian Wang, Zhenzhong Hu, Mengmeng Zhen
Summary: Bronze titanium dioxide (TiO2(B)) is a promising anode material for lithium-ion batteries due to its high specific capacity. However, its practical applications are hindered by poor conductivity and limited electrochemical kinetics. In this study, TiO2(B)-carbon nanosheets heterostructures are synthesized to enhance the cycling performance and rate capability of TiO2(B).
Article
Materials Science, Multidisciplinary
Atul Thakur, Ritesh Verma, Ankush Chauhan, Fayu Wan, Preeti Thakur
Summary: In this study, BaFe12O19 and BaFe12O19: Epoxy (50:50) nanocomposites were synthesized using the co-precipitation method. The structural information and material properties, such as crystallite size and electrical conductivity, were characterized by XRD, FESEM, EDX, and TEM techniques.
Article
Materials Science, Multidisciplinary
Jingyu Wu, Xinyan Ma, Yong Yang
Summary: A well-defined CoS2@NC(CS-500) hierarchical binder-free catalyst cathode is constructed through in-situ grown of ZIF-67 on carbon cloth and high-temperature carbonization. The cathode shows excellent reaction kinetics and electrochemical performance, providing inspiration for developing advanced Li-CO2 battery catalysts.
Article
Materials Science, Multidisciplinary
Svetlana M. Posokhova, Vladimir A. Morozov, Kirill N. Boldyrev, Dina Deyneko, Erzhena T. Pavlova, Bogdan I. Lazoryak
Summary: This study explores the impact of synthesis method and composition on the structure and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type matrix. The co-doping of Eu3+ and Ho3+ ions plays a critical role in manipulating charge transfer and luminescence efficiency in the visible and infrared regions.
Article
Materials Science, Multidisciplinary
Jian Wang, Yeting Tao, Jingsheng Wang, Youtian Tao
Summary: A new electron-transport material iTPyBI-CN is developed through non-catalytic C-N coupling reaction. It exhibits better electroluminescence efficiency in organic light-emitting diodes compared to the commercial material TPBI, due to its twisted geometry and higher energy levels.
Article
Materials Science, Multidisciplinary
Tao Zhu, Feng Huang, Shuo Li, Yang Zhou
Summary: This article combines XRD analysis and microscopic structural observation to investigate the changes in limestone after high-temperature treatment. It finds that 500 degrees C is the critical temperature for crystalline and spatial arrangement changes in limestone, and the thermal conductivity, specific heat capacity, and heat storage coefficient gradually decrease after thermal treatment.
Article
Materials Science, Multidisciplinary
Muhammad Haekal Habibie, Fransiska Sri Herwahyu Krismastuti, Abdi Wira Septama, Faiza Maryani, Vivi Fauzia
Summary: This study focuses on the synthesis of zinc oxide nanostructure from zinc recovered from galvanization ash and highlights its potential as a sustainable source of zinc and as an antibacterial agent.
Article
Materials Science, Multidisciplinary
Jingyi Li, Yixin Xing, Wei Gu, Shousi Lu
Summary: In this study, PC@CaP microparticles were fabricated using biomimetic mineralization. The results showed that under environmental stress, PC@CaP exhibited improved stability and antioxidative activity, indicating its potential use in high-added value fields.
Article
Materials Science, Multidisciplinary
Yan Liu, Shunyou Chen
Summary: In this study, TNTs were used as a drug carrier and modified with ZIF-8 and silk fibroin to obtain a new drug loading platform. The results showed that this drug-loaded platform had a good drug release effect in vitro and could promote cell proliferation and osteogenic differentiation.
Article
Materials Science, Multidisciplinary
Chunhui Zhu, Wentao Wang, Qing Zhen, Xinning Huang, Shixin Li, Shaochang Wang, Xiaoping Ma, Xiaoxia Liu, Yalong Jiao, Kai Sun, Zhuangzhi Li, Huaixin Yang, Jianqi Li
Summary: A type of stacking fault is revealed in e-InSe crystal, which is associated with a small stacking-fault energy and shows exceptional plasticity.