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252 results for “Doping”
Assessment of CNT-doping and hot-wet storage aging effects on Mode I, II and I/II interlaminar fracture toughness of a UD Graphite/Epoxy material system
<p>Research data presented in the paper entitled "Assessment of CNT-doping and hot-wet storage aging effects on Mode I, II and I/II interlaminar fracture toughness of a UD Graphite/Epoxy material system", published in Engineering Fracture Mechanics. Research data include: load-displacement and fracture toughness-crack length data derived from fracture tests in Mode I, II and I/II.</p>
Data from: A novel adenine-based-MOF derived nitrogen-doped nanoporous carbon for flexible solid-state supercapacitor
In this article, we have synthesized a series of nitrogen-doped nanoporous carbon (NPC) from metal organic framework (MOF) of UiO-66 with different ratio of adenine and coated on carbon nanotube film (CNTF) to obtain a flexible porous electrode (NPC/CNTF). It is worth noting that the introduction of adenine at different ratio did not change the structure of UiO-66. We also investigated the effect of carbonization temperature from 800 to 1000 °C on the electrochemical properties of the NPC. The ratio (1, 4-benzendicarboxylate: adenine) 9:1 and the NPC carbonized at 900 °C (noted as NPC-1-900) exhibits better electrochemical properties. The results show that NPC-1-900/CNTF electrode exhibits an exceptionally areal capacitance of 121.5 mF cm-2 than that of PC-900/CNTF electrode (22.8 mF cm-2) at 5 mV s-1 in a three-electrode system, indicating that the incorporation of nitrogen is beneficial to the electrochemical properties of nanoporous carbon. A symmetric flexible solid-state supercapacitor of NPC-1-900/CNTF has also been assembled and tested. Electrochemical date shows that the device exhibited superior areal capacitance (43.2 mF cm-2) at the scan rate of 5 mV s-1, the volumetric energy density is 57.3 µWh cm-3 and the volumetric power density is 2.4 mW cm-3 at the current density of 0.5 mA cm-2 based on PVA/H3PO4 gel electrolyte. For practical application, we have also studied the bending tests of the device, which show that the device exhibits the outstanding mechanical stability under different bending angles. Furthermore, the flexible device shows excellent cyclic stability, which can retain 91.5% of the initial capacitance after 2000 cycles.
Data from: Effect of Hf-doping on electrochemical performance of anatase TiO2 as an anode material for lithium storage
Hafnium-doped titania (Hf/Ti = 0.01; 0.03; 0.05) had been facilely synthesized via a template sol-gel method on carbon fiber. Physicochemical properties of the as-synthesized materials were characterized by X-ray diffraction, Raman spectroscopy, scanning electron microscopy, energy-dispersive X-ray analysis, scanning transmission electron microscopy, X-ray photoelectron spectroscopy, thermogravimetry analysis, and Brunauer−Emmett−Teller measurements. It was confirmed that Hf4+ substitute in the Ti4+ sites, forming Ti1–xHfxO2 (x = 0.01; 0.03; 0.05) solid solutions with an anatase crystal structure. The Ti1–xHfxO2 materials are hollow microtubes (length of 10–100 μm, outer diameter of 1–5 μm) composed of nanoparticles (average size of 15–20 nm) with surface area of 80–90 m2 g–1 and pore volume of 0.294–0.372 cm3 g–1. The effect of hafnium ions incorporation on electrochemical behavior of anatase TiO2 as Li-ion battery anode was investigated by galvanostatic charge/discharge and electrochemical impedance spectroscopy. It was established that Ti0.95Hf0.05O2 shows significantly higher reversibility (154.2 mAh g–1) after 35-fold cycling at C/10 rate in comparison with undoped titania (55.9 mAh g–1). The better performance offered by Hf4+ substitution of the Ti4+ into anatase TiO2 mainly results from more open crystal structure, which has been achieved via the difference in ionic radius values of Ti4+ (0.604 Å) and Hf4+ (0.71 Å). The obtained results are in a strong accordance with ones for anatase TiO2 doped via Zr4+ (0.72 Å) published earlier. Furthermore, improved electrical conductivity of Hf-doped anatase TiO2 materials due to charge redistribution in the lattice and enhanced interfacial lithium storage due to increased surface area directly depending on Hf/Ti atomic ratio have beneficial effect on electrochemical properties.
Endogenous 17O DNP of Gd-Doped CeO2 from 100 to 370 K
<p>Raw and processed 17O NMR and DNP-enhanced NMR spectra, and EPR spectra, for Gd-doped CeO2 with Gd concentrations from 0.01 atom% to 1 atom%, as presented in the publication "Endogenous 17O DNP of Gd-Doped CeO2 from 100 to 370 K". NMR data is given as zip files of the native Bruker Topspin format. See the README file for more details.</p> <p>In the previous version of this dataset, the JCAMP-DX format was used, but due to a bug the titles describing the spectra were incorrectly saved. </p>
Videogame for the Prevention of Doping and Supplement Abuse in Teenage Athletes
ClinicalTrials.gov study NCT04203992. IPD Sharing: NO. Countries: 0. Publications: 3.
Electrochemical Biosensor Based on Lectin-functionalized Nitrogen, Sulfur-doped Graphene Quantum Dot Decorated Gold Nanoparticles for Breast Cancer Diagnosis: From Academic Research to Clinical Transl
ClinicalTrials.gov study NCT07034248. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Data from: Enhancement of thermoelectric properties of La-doped SrTiO3 bulk by introducing nanoscale porosity
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Data from: Nitrogen and chlorine co-doped carbon dots as probe for sensing and imaging in biological samples
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Data from: A novel adenine-based-MOF derived nitrogen-doped nanoporous carbon for flexible solid-state supercapacitor
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Application of sulfur and nitrogen doped carbon quantum dots as sensitive fluorescent nanosensors for the determination of saxagliptin and gliclazide
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Data from: The thermoelectric properties of Au nanoparticle-incorporated Al-doped mesoporous ZnO thin films
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Data from: Effect of Hf-doping on electrochemical performance of anatase TiO2 as an anode material for lithium storage
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Data from: Topological, chemical, and electro-optical characteristics of riboflavin-doped artificial and natural DNA thin films
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Data from: Structural modification of isomorphous SO42−-doped K2FeO4 for remediating the stability and enhancing the discharge of super-iron battery
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Data from: Doping induced dielectric anomaly below the Curie temperature in molecular ferroelectric diisopropylammonium bromide
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Data from: A down-shifting Eu 3+ -doped Y 2 WO 6 /TiO 2 photoelectrode for improved light harvesting in dye-sensitized solar cells
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Integrating whole blood transcriptomic collection procedures into the current anti-doping testing system, including long-term storage and re-testing of anti-doping samples [Short-term]
GEO Series GSE183132. Homo sapiens. 16 samples. Type: Expression profiling by high throughput sequencing.
Integrating whole blood transcriptomic collection procedures into the current anti-doping testing system, including long-term storage and re-testing of anti-doping samples [Long-term]
GEO Series GSE183073. Homo sapiens. 14 samples. Type: Expression profiling by high throughput sequencing.
Optical properties and carrier dynamics in Co-doped ZnO nanorods
<p>The dataset includes the parts collected at EPFL, uploaded for open access in accordance to SNSF policy.</p>
Data for the article "An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit "
<p>Data for the article "An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit " (https://aip.scitation.org/doi/full/10.1063/5.0032940 and https://arxiv.org/abs/2011.09755)</p>
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