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| http://dx.doi.org/10.1136/gut.34.7.1002 | DOI Listing |
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Facet-Dependent Cold Welding of Au Nanorods Revealed by Liquid Cell Transmission Electron Microscopy.
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SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China.
Cold welding of metals at the nanoscale has been demonstrated to play a significant role in bottom-up manufacturing and self-healing processes of nanostructures and nanodevices. However, the welding mechanism at the nanoscale is not well understood. In this study, a comprehensive demonstration of the cold welding process of gold nanorods with different modes is presented through in situ liquid cell transmission electron microscopy.
View Article and Find Full Text PDFAggregation-induced Electrochemiluminescence of AgNCs Enhanced with Ti3C2Tx AuNPs@MXene Composites for Ultrasensitive Detection of microRNA.
Chem Asian J
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Shanghai University, Materials Genome Institute, Nanchen Road 333, 200444, Shanghai, CHINA.
MXene, a two-dimensional nanomaterial, has metal conductivity, high electronegativity, functionalized with surface groups, which makes them has wide applications in catalysis and biosensing. However, studies on the principle of enhanced electro-chemiluminescence (ECL) by MXene composites and the improvement of their performance in catalyzing the ECL reaction are still in their infancy. In this study, gold nanoparticles (AuNPs) are obtained by mild reductive reduction and loaded in situ on the Ti3C2Tx MXene surface to form the composites (AuNPs@MXene).
View Article and Find Full Text PDFBipyramidal gold nanoparticles-assisted plasmonic photothermal therapy for ocular applications.
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Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Department of Ophthalmology, Reina Sofia University Hospital and University of Cordoba, 14004 Cordoba, Spain.
Gold nanoparticles (AuNPs) play a key role in the field of nanomedicine due to their fascinating plasmonic properties as well as their great biocompatibility. An intriguing application is the use of plasmonic photothermal therapy (PPTT) mediated by anisotropic AuNPs irradiated with a near-infrared (NIR) laser for treating ocular diseases in ophthalmology. For this purpose, bipyramidal-shaped AuNPs (BipyAu), which were surface-functionalized with three different organic ligands (citrate, polystyrene sulphonate (PSS), and cetyltrimethylammonium bromide (CTAB)), were synthesized.
View Article and Find Full Text PDFAu-In Alloy for Excellent Ohmic Contact in GeSe Devices with Enhanced Photodetector Properties.
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Key Laboratory of MEMS of Ministry of Education, School of Integrated Circuits, Southeast University, Nanjing 210096, China.
Metal-semiconductor contact plays a significant role in devices such as transistors, photoemitters, and photodetectors. Here, the AuIn alloy contact gives a state-of-the-art low (contact resistance) in GeSe devices. The of GeSe-AuIn is measured to be 25 kΩ μm under channel carrier concentration around = 2.
View Article and Find Full Text PDFInvestigating the Effects of Copper Impurity Deposition on the Structure and Electrochemical Behavior of Hydrogen Evolution Electrocatalyst Materials.
ACS Appl Energy Mater
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School of Materials Science & Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States.
Electrolysis of impure water (such as seawater) has recently garnered research interest as it may enable hydrogen production at reduced costs. However, the tendency of impurity ions and other species to degrade electrocatalysts and membranes within an electrolyzer is a serious challenge. Here, we investigate the effects of copper impurities of varying concentrations on the hydrogen evolution reaction (HER) using platinum electrocatalysts.
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