Article
Polymer Science
Bridget R. Denzer, Rachel J. Kulchar, Richard B. Huang, Jennifer Patterson
Summary: This paper discusses common methods for characterizing the material properties of supramolecular hydrogels, including spectroscopic, diffraction, microscopy, and rheological techniques, as well as future research directions.
Article
Chemistry, Multidisciplinary
Kevin M. Roccapriore, Shin-Hum Cho, Andrew R. Lupini, Delia J. Milliron, Sergei Kalinin
Summary: The spatial confinement of matter in functional nanostructures has positioned them at the forefront of nanoscience, serving as playgrounds for exotic physics and quantum phenomena as well as finding applications in various fields. Through modern synthesis processes and precise sculpting, the plasmonic response of nanoparticles can be effectively modified, offering a wide range of possibilities for nanophotonic design.
Article
Chemistry, Multidisciplinary
Yves Auad, Cyrille Hamon, Marcel Tence, Hugo Lourenco-Martins, Vahagn Mkhitaryan, Odile Stephan, F. Javier Garcia de Abajo, Luiz H. G. Tizei, Mathieu Kociak
Summary: Whispering-gallery mode resonators contain multiple trapped narrow-band circulating optical resonances, with potential applications in quantum electrodynamics, optomechanics, and sensing. Despite the challenges posed by the spherical symmetry and low field leakage of dielectric microspheres, the interaction between whispering-gallery modes and metallic nanoparticles can effectively excite high-quality cavity modes with the potential for optical sensing and light manipulation.
Article
Chemistry, Physical
Shamsul Abedin, Khokan Roy, Xin Jin, Hui Xia, S. R. J. Brueck, Eric O. Potma
Summary: We discuss an experimental configuration of {Au film}-molecule-{Au particle} or {Au film}-molecule-{Si particle} nanojunction for wide-field surface-enhanced CARS (SE-CARS) measurements. We successfully generate detectable coherent Raman response from a molecular monolayer using the lowest reported average power densities. By using high-index dielectric particles on top of a thin metal film, we demonstrate repeatable SE-CARS measurements, paving the way for next-generation chemical and biomolecular sensing assays.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Materials Science, Multidisciplinary
Tahereh Seifi, Ali Reza Kamali
Summary: This paper reports on the antibacterial performance of free standing three-dimensional graphene nanosheets with a high density of graphene edges. The results show that the nanosheets exhibit outstanding antibacterial effect against E. coli at low concentration, efficiently cutting bacterial cells into fragments.
Review
Chemistry, Multidisciplinary
Kellie Jenkinson, Luis M. Liz-Marzan, Sara Bals
Summary: Electron tomography is an important technique for visualizing nanoparticle morphology. This article summarizes the experimental and computational development of various multimode tomography techniques and their role in overcoming materials science challenges. Current challenges and future directions of multimode tomography are also discussed.
ADVANCED MATERIALS
(2022)
Article
Environmental Sciences
K. Kayalvizhi, N. M. Alhaji, D. Saravanakkumar, S. Beer Mohamed, K. Kaviyarasu, A. Ayeshamariam, Amal M. Al-Mohaimeed, Mohamed Ragab AbdelGawwad, Mohamed S. Elshikh
Summary: This study investigated the adsorption behavior of biomaterial activated Sawdust-Chitosan nanocomposite beads on Ni (II) and Cu (II) ions removal from aqueous solutions. The structural analysis and surface morphology were evaluated using PXRD, TEM, and EDAX techniques, while the functional groups behavior was discussed using FTIR technique. The adsorption properties were determined using isotherm models and the maximum adsorption capacity was inferred.
ENVIRONMENTAL RESEARCH
(2022)
Article
Materials Science, Multidisciplinary
S. Chakrabarty, Swagata Bandyopadhyay, M. Pal, Abhigyan Dutta
Summary: The systematic study of transition metal ion doped nickel-zinc ferrite nanoparticles with their magnetic properties and conductivity relaxation mechanism was the objective of this research. Cobalt doped NZF nanoparticles were prepared via a facile chemical route. The study found nearly spherical nanoparticles around 60 nm in size with a redshift in the optical band gap, and the electrical modulus spectra exhibited Kohlrausch-Williams-Watts (KWW) type behavior.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Lucas M. Berneira, Tais Poletti, Samantha C. de Freitas, Guilherme K. Maron, Neftali L. Carreno, Claudio M. P. de Pereira
Summary: This study synthesized and evaluated ZnO NPs using sub-Antarctic macroalgae, and the results showed successful synthesis of nanomaterials with zinc-oxygen bonds using green approaches. This finding is significant for exploring novel methods for the biological synthesis of zinc oxide nanoparticles.
Article
Chemistry, Physical
A. Kumari, W. W. Tjiu, Z. Aabdin, J. Roy, V. K. Verma, A. Kandasami, V. R. Singh
Summary: In this study, the effects of Co-doping and high-temperature annealing on the structural, optical, and electronic characteristics of TiO2 nanoparticles were investigated. The results showed that Co-doping and annealing can affect the grain size, phase composition, and electronic states of the nanoparticles. These findings are significant for improving the performance of TiO2 nanoparticles.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
S. Kundu, T. Sarkar, G. Ghorai, M. Zubko, P. K. Sahoo, M. Weselski, V. Raghavendra Reddy, A. Bhattacharjee
Summary: We investigated the solventless synthesis of iron oxide nanomaterials by thermally converting iron(III)citrate in the presence of malonic acid and glucose as co-precursors. The physical characterization of the synthesized materials showed that pure hematite phase was obtained only under specific conditions, while a mixture of hematite and magnetite was obtained in other cases. The co-precursors had a significant effect on the nature and size of the synthesized materials, with an increasing amount leading to a gradual conversion of hematite to magnetite.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2023)
Article
Chemistry, Multidisciplinary
Aleksandr Kryshtal, Sergiy Bogatyrenko, Olha Khshanovska
Summary: In this study, the melting kinetics of a single Sn nanoparticle was investigated using in situ transmission electron microscopy heating techniques. It was found that a few-monolayer-thick disordered phase nucleated at the surface of the Sn particle at a temperature 25°C below the melting point and grew into the solid core with increasing temperature until the whole particle became liquid. The disordered overlayer was revealed to be a quasi-liquid with a density intermediate between that of solid and liquid Sn.
Article
Chemistry, Multidisciplinary
Mei Wang, Asher C. Leff, Yue Li, Taylor J. Woehl
Summary: This study successfully demonstrated the in situ controlled synthesis of alloyed AuCu nanocrystals under LP-TEM, while maintaining the molecular structure of metal thiolate complexes. The research revealed that polymer capping ligands not only have known functions during LP-TEM synthesis, but also prevent copper oxidation and facilitate the formation of prenucleation cluster intermediates.
Article
Physics, Condensed Matter
Yogita Kumari, Lokesh Kumar Jangir, Anil Kumar, Manoj Kumar, Kamlendra Awasthi
Summary: Terbium doped titania nanoparticles were synthesized with varying concentrations of Tb+3 ions using the sol-gel method. The crystallite size decreased with increasing Tb+3 ions concentration, while the absorption showed a slight red shift and the band gap decreased after doping. The photoluminescence intensity initially increased with Tb+3 concentration, but decreased with further addition due to cluster formation.
PHYSICA B-CONDENSED MATTER
(2021)
Article
Materials Science, Multidisciplinary
G. Anandha Babu, M. Navaneethan
Summary: The room temperature evaporation approach of spreading palladium nanoparticles atop metallic nitrides has great potential for optimizing electrocatalytic activity. TiN nanostructures filled with well-distributed palladium nanoparticles were created using a simple hydrothermal technique. These Palladium-TiN nanostructures showed exceptional performance as an electrode material in H-2.
Article
Chemistry, Physical
A. Santovena-Uribe, J. Maya-Cornejo, D. Bahena, J. Ledesma, R. Perez, R. Esparza
Summary: AgPd bimetallic nanoparticles were synthesized using a simple polyol method to improve control over morphology and particle size. Characterization was done using aberration-corrected STEM and X-ray diffraction analysis, showing an alloy structure with an average size of 10.17 nm and icosahedral morphology. Ag2Pd1/C bimetallic nanoparticles exhibited higher catalytic activity towards oxygen reduction reaction than Ag/C at room temperature, with electronic structure significantly affected by elemental distribution according to DFT simulations.
Article
Materials Science, Multidisciplinary
K. Chavez, S. E. Borjas-Garcia, G. Rosas
Summary: This study reports the synthesis of silver nanodendrites using Hamelia patens plant extract as a reducing agent. The nanodendrites show branches with a length of around 800 nm and a width of around 300 nm, as observed through SEM and TEM micrographs. The chemical composition and crystal structure of the products are confirmed by XRD analysis. UV-Vis spectroscopy reveals the surface plasmon resonance band typical of Ag nanostructures. FT-IR spectroscopy demonstrates the degradation of MB and RhB by the nanodendrites, while adsorption of MO is observed. The UV-Vis technique shows high degradation efficiency of 98% for MB and 96% for RhB in Ag dendrites, with 93% adsorption of the MO dye.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Chemistry, Inorganic & Nuclear
G. Gonzalez-Garcia, S. E. Borjas-Garcia, L. Landeros-Paramo, Y. Salinas-Delgado, L. A. Bretado-Aragon, G. Rosas
Summary: This study successfully synthesized silver dendrites and silver flower-like structures using a green method with Arctostaphylos pungens Kunth fruit extract. Both nanostructures showed effective antibacterial properties against Escherichia coli and Staphylococcus aureus bacteria.
JOURNAL OF CLUSTER SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Marlen Alexis Gonzalez-Reyna, Beatriz Liliana Espana-Sanchez, Gustavo Andres Molina, Jose Luis Lopez-Miranda, Ruben Mendoza-Cruz, Rodrigo Esparza, Miriam Estevez
Summary: Carbon dots synthesized using Cinchona pubescens Vahl exhibit blue emission, pH dependency, homogeneous sizes, colloidal stability, and antibacterial features. They can differentiate between Gram-positive and Gram-negative bacteria, as well as between dead and alive Gram-positive bacteria, making them valuable in microbiology, biotechnology, medical diagnosis, and food safety.
Article
Electrochemistry
America Higareda, Fabian Mares-Briones, Gerardo Rosas, Ramiro Perez, Rodrigo Esparza
Summary: This study shows the synthesis of PdPt bimetallic nanoparticles (BNPs) by chemical reduction in an organic medium. The controlled characteristics of BNPs supported on Vulcan XC-72 carbon are validated by various techniques. The electrochemical activity for ethanol oxidation reaction and CO tolerance of PdPt/C are investigated. The accelerated durability test demonstrates lower degradation of PdPt/C compared to commercial and synthesized Pt/C, showing superior catalytic properties for potential application in fuel cell technology.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
J. Luis Lopez-Miranda, Beatriz Liliana Espan Sanchez, Rodrigo Esparza, Miriam Estevez
Summary: In this study, flower-like ZnO nanostructures were synthesized using an Aloysia triphylla leaves extract, which also demonstrated catalytic and antibacterial properties.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Engineering, Chemical
Luis Landeros-Paramo, Alfredo Saavedra-Molina, Diana Cholico-Gonzalez, G. Rosas
Summary: This work demonstrates the synthesis of silver nanoparticles (AgNPs) and flower-like silver self-assemblies (AgFLs) using Sedum praealtum extract by adjusting the concentration of AgNO3. The catalytic activity of these materials in the degradation of methylene blue dye (MB) was evaluated. The experimental results show that AgNPs with an average size of 15 nm are formed at 5 mM (AgNO3) concentration, while AgFLs are formed at 10 mM (AgNO3). The photocatalytic activity is mainly influenced by the size of AgNPs rather than the morphology of AgFLs.
PARTICULATE SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
M. Charbel Cuevas-Corona, J. Mauricio Lopez-Romero, Alejandro Manzano-Ramirez, Rodrigo Esparza, Rosa E. Zavala-Arce, Alejandro J. Gimenez, Gabriel Luna-Barcenas
Summary: This study proposes encapsulating magnetic nickel nanowires (NiNWs) with gelatin as an alternative method for optical label detection. Magnetic nanowires can be detected at very low concentrations using light-scattering methods, making them useful in molecular and biomolecular sensor applications. The study also presents a method for coating the nanowires with gelatin, which allows for specific decoration and functionalization.
Article
Chemistry, Physical
America Higareda, Fabian Mares, Daniel Bahena, Rodrigo Esparza
Summary: In this study, PtPd core-shell bimetallic nanoparticles were synthesized and supported on carbon for ethanol oxidation reaction. The electrochemical tests showed that PtPd (1 : 0.5)/C catalyst exhibited better catalytic performance than commercial Pt/C.
Article
Chemistry, Medicinal
Jose Luis Lopez-Miranda, Fabian Mares-Briones, Gustavo A. Molina, M. A. Gonzalez-Reyna, Isaac Velazquez-Hernandez, Beatriz Liliana Espana-Sanchez, Rodolfo Silva, Rodrigo Esparza, Miriam Estevez
Summary: This study evaluated the influence of Sargassum natans I alga extract on the morphological characteristics of synthesized ZnO nanostructures with potential biological and environmental applications. The results showed that the alga extract played a fundamental role in stabilizing the ZnO nanoparticles and resulting in well-defined shaped particles. Additionally, the synthesized ZnO nanostructures demonstrated significant anti-inflammatory response, antibacterial activity, and photocatalytic properties.
Article
Chemistry, Multidisciplinary
Fabian Mares-Briones, America Higareda, Jose Luis Lopez-Miranda, Ruben Mendoza-Cruz, Rodrigo Esparza
Summary: In this study, AgPt nanoalloys were chemically synthesized using the polyol method and PVP as a surfactant. Different atomic compositions of Ag and Pt were achieved by adjusting the molar ratios of the precursors. The synthesized nanoalloy exhibited a well-defined crystalline structure, homogeneous composition, and high electrochemical activity for ethanol oxidation, making it a promising candidate for cost-effective applications.
Article
Biotechnology & Applied Microbiology
Daniela Torres-Ortiz, Guadalupe Garcia-Alcocer, Achim M. Loske, Francisco Fernandez, Edgardo Becerra-Becerra, Rodrigo Esparza, Marlen Alexis Gonzalez-Reyna, Miriam Estevez
Summary: Green chemistry was utilized to synthesize gold nanoparticles using Amphipterygium adstringens extracts as a medium. Ultrasound and shock wave-assisted extraction were employed to obtain green ethanolic and aqueous extracts. Gold nanoparticles with different sizes were obtained using different extraction methods. The nanoparticles were characterized using microscopic and spectroscopic techniques. The cytotoxic effects of the gold nanoparticles on leukemia cells were evaluated and compared to a standard drug vincristine.
BIOENGINEERING-BASEL
(2023)
Article
Chemistry, Physical
Minerva Frutis-Murillo, I. Velazquez-Hernandez, R. Esparza, Joel E. Lopez-Meza, Nicolas Cayetano-Castro, G. Rosas
Summary: The study successfully prepared gold nanoflowers using Satureja macrostema aqueous extract, with a nano-scale size and good stability. The gold nanoflowers showed excellent performance in electro-oxidation.
APPLIED SURFACE SCIENCE
(2024)
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.
