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56 results for “exfoliation”
Dataset of "Glue-assisted Exfoliation of Two-dimensional Sulfur-rich Niobium Thiophosphate (Nb4P2S21) for Sulfur-equivalent Electrode Study in Lithium Storage"
<p>Two-dimensional (2D) layered thiophosphates have garnered attention for advanced batteries due to their open ionic diffusion channels, high capacity, and unique catalytic properties. However, their potential in energy storage applications remains largely unexplored. In this study, we report for the first time a 2D transition metal thiophosphate (Nb4P2S21) with high sulfur content. Nb4P2S21, synthesized via chemical vapor transport (CVT), is treated as a sulfur-equivalent material with better conductivity than sulfur, suitable for high-capacity lithium storage. The bulk material can be delaminated into high-quality nanoplates via glue-assisted grinding exfoliation, both displaying a layered quasi-one-dimensional (quasi-1D) morphology, which shortens the ion diffusion path and promises enhanced rate performance compared to larger lateral 2D materials. Density functional theory (DFT) calculations indicate that Nb4P2S21 has a direct bandgap of 1.64 eV (HSE06 method), with exfoliated counterparts showing near-infrared (NIR) photoluminescence at 755 nm, broadening potential applications to NIR-based devices. By tuning the working voltage window for lithium-ion batteries (LIBs) and controlling lithiation product formation, the material exhibits distinct electrochemical characteristics at 0 ~ 2.6 V, 0.5 ~ 2.6 V, 1.0 ~ 2.6 V, and 1.5 ~ 2.6 V. However, sulfur-rich electrodes in carbonate electrolytes demonstrate limited electrochemical potential due to polysulfide formation, leading to detrimental side reactions with carbonate-based electrolytes. Transitioning to ether-based electrolytes improves the initial reversible capacity and Coulombic efficiency of Nb4P2S21 by stabilizing the formed polysulfides. Despite this improvement, the material still mirrors the shuttle effect in lithium-sulfur batteries, diminishing active sulfur and undermining battery integrity. Further EDS and TOF-SIMS analyses of post-cycled electrode materials show significant sulfur loss and precipitation within the electrodes, exacerbating the shuttle effect and causing battery failure. Implementing strategies used in lithium-sulfur batteries, such as introducing polar host catalysts, could enhance the potential of these materials.</p>
Dataset of "High Entropy 2D Metals Sulfides: Fast Synthesis, Exfoliation and Electrochemical Activity in Overall Water Splitting at Alkaline pH"
<p>Novel simple and efficient method for synthesis of high entropy sulfides of iron group metals (Cr, Fe, Ni, Co, Zn) is describedThe created material was investigated as a catalyst for electrochemical water splitting in acidic, neutral and alkaline pH. Investigation of the electrocatalytic activity of the synthesized material shows its high efficiency for overall water splitting in alkaline media. </p>
Risk factor prediction for Secondary Glaucoma amongst patients presenting with Pseudo exfoliation Syndrome (PEX) at Ophthalmology OPD in a Tertiary Care Centre in Ahmedabad
<p>Here we are uploading a data sheet of the<strong> "Risk factor prediction for Secondary Glaucoma amongst patients presenting with Pseudo exfoliation Syndrome (PEX) at Ophthalmology OPD in a Tertiary Care Centre in Ahmedabad." </strong></p>
Dataset of the publication: Molecular stabilization of chemically exfoliated bare MnPS3 layers
<p>Dataset of the publication: Molecular stabilization of chemically exfoliated bare MnPS3 layers</p> <p><span> <span>I. Brotons-Alcázar, R. Torres-Cavanillas, M. Morant-Giner, M. Cvikl, S. Mañas-Valero, A. Forment-Aliaga, E. Coronado, <em>Dalton T</em> <strong>2021</strong>, <em>50</em>, 16281.</span> </span></p> <p><span><span>DOI: 10.1039/d1dt02536h</span></span></p>
Dataset of the publication: Spin-crossover tuning of the luminescence in 2D Hofmann-type compounds in bulk and exfoliated flakes
<p>Dataset of the publication: Spin-crossover tuning of the luminescence in 2D Hofmann-type compounds in bulk and exfoliated flakes</p> <p>DOI: 10.1039/d3tc03693f</p> <p>V. García-López, F. Marques-Moros, J. Troya, J. Canet-Ferrer, M. Clemente. León, E. Coronado</p> <p>J. Mater. Chem. C, 12, 161-169 (2024)</p>
Imaging ellipsometry on exfoliated GaS on sapphire substrate
<p>Delta and Psi maps measured for wavelengths 200 nm to 900 nm with an Accurion EP4 ellipsometer.</p> <p>Ellipsometric enhanced contrast micrograph of the measured region - map.jpg</p> <p>Plotted Delta and Psi maps for 2, 2.5, 3, 3.2 and 3.5 eV are included.</p>
Frasnian, lateral (B1), ventral (B2), anterior (B3), posterior (B4), and dorsal (B5) views of a rounded exfoliated shell, 27.7 mm wide, 25.6 mm long, and about 14.5 mm thick. C. PUM05008, sample PY4, Panxi section, probably Middle Frasnian, lateral (C1), dorsal (C2), and ventral (C3) views of the sectioned specimen (Fig. 6). D. PUM05009, sample PY5, Panxi section, probably Middle Frasnian, ventral beak broken, showing small conjunct deltidial plates (note that true foramen (approximately dashed line) takes up only a small part at the bottom of the seen later enlarged hole). E. PUM05010, sample PY5, Panxi section, probably Middle Frasnian, posterior (E1), lateral (E2), anterior (E3), ventral (E4), and dorsal (E5) views, 26.7 mm wide, 27.7 mm long, 18.5 mm thick, adpressed ventral beak. F. PUM05011, sample GC22, Caiziyan section, Early Frasnian, dorsal view. in Early and Middle Frasnian brachiopod faunas and turnover on the South China shelf
Frasnian, lateral (B1), ventral (B2), anterior (B3), posterior (B4), and dorsal (B5) views of a rounded exfoliated shell, 27.7 mm wide, 25.6 mm long, and about 14.5 mm thick. C. PUM05008, sample PY4, Panxi section, probably Middle Frasnian, lateral (C1), dorsal (C2), and ventral (C3) views of the sectioned specimen (Fig. 6). D. PUM05009, sample PY5, Panxi section, probably Middle Frasnian, ventral beak broken, showing small conjunct deltidial plates (note that true foramen (approximately dashed line) takes up only a small part at the bottom of the seen later enlarged hole). E. PUM05010, sample PY5, Panxi section, probably Middle Frasnian, posterior (E1), lateral (E2), anterior (E3), ventral (E4), and dorsal (E5) views, 26.7 mm wide, 27.7 mm long, 18.5 mm thick, adpressed ventral beak. F. PUM05011, sample GC22, Caiziyan section, Early Frasnian, dorsal view.
Dataset of "Geophysical Investigation of a Granite Exfoliation Dome: Enchanted Rock, Texas"
<p>This repository contains the dataset of a paper titled: "Geophysical Investigation of a Granite Exfoliation Dome: Enchanted Rock, Texas".</p> <p>This data was made possible in collaboration with the University of Houston - Department of Earth and Atmospheric Sciences and the summer Geophysical Field Camps of 2018 and 2019. Special thanks to the staff of the Enchanted Rock State Natural Area for granting survey access to the site.</p>
Reliable Natural Exfoliant for Sensitive Skin
<p>Unlike chemical or physical exfoliants which can create microscopic tears in the skin's surface, BOA’s <a href="https://www.boaskincare.com/products/smart-natural-exfoliant">Smart Natural Exfoliant</a> distinguishes between old and new skin. By gently picking up only your dead cells and impurities, it leaves healthy skin untouched and glowing.</p>
BOA Smart Natural Exfoliator
<p>Got sensitive skin? You don't have to avoid exfoliating. It is impossible to over-exfoliate with BOA as it only removes your dead cells, not your healthy ones. For more details, you can <a href="https://www.boaskincare.com/">visit our website</a>.</p>
High Entropy 2D Metals Sulfides: Fast Synthesis, Exfoliation and Electrochemical Activity in Overall Water Splitting at Alkaline pH
<p>Dataset for the article "High Entropy 2D Metals Sulfides: Fast Synthesis, Exfoliation and Electrochemical Activity in Overall Water Splitting at Alkaline pH"</p>
In Situ Exfoliation Method of Large-Area 2D Materials
<p>Datasets for In Situ Exfoliation Method of Large-Area 2D Materials publication.</p> <p>Extreme UV photoemission band mapping of 2D materials WS2, WSe2 and WTe2 exfoliated in ultra-high vacuum on Au(111), Ag(111) and Ge(001), and AgTe alloy on Ag(111). Measurements were conducted at the BALTAZAR facility in Stockholm, Sweden using a laser-based setup with arepetition rate of 250 kHz, and the fifth harmonic 18.1 eV, and at the SGM-3 beamline of the 3rd-generation ASTRID2 synchrotron radiation source in Aarhus, Denmark with a photon energy 49 eV, 53 eV and 63 eV. All measurements were performed at room temperature.<br> <br> Experimental data are provided in ibw format (Igor Pro).</p>
Raman Spectroscopy of Monolayer to Bulk PtSe2 Exfoliated Crystals - Supporting data
<p>Data supporting the findings of the publication:</p> <p>M. Tharrault, E. Desgué, D. Carisetti, B. Plaçais, C. Voisin, P. Legagneux, and E. Baudin, Raman spectroscopy of monolayer to bulk ptse2 exfoliated crystals (2023), arXiv:2307.15520.</p> <p> </p> <p>Files available:</p> <p>"Procedure.txt": detailed experimental protocol</p> <p>"sample_name spectrum.csv": the Raman spectra data files, one per sample</p> <p>"sample_name parameters.csv": the Raman spectra fit parameters data files, one per sample</p> <p>"Number of layers attribution.txt": the layer count of each sample</p>
Efficient production of few-layer black phosphorus by liquid-phase exfoliation
<p>Phosphorene is a new 2D material that has recently attracted much attention owing to its fascinating electrical, optical, thermal, and chemical properties. Here, we report on high-quality exfoliation of black phosphorus nanosheets, with controllable size produced in large quantities by liquid phase exfoliation using N-methyl-2-pyrrolidone (NMP) as a solvent under ambient conditions. The as-synthesized few layers show a great potential for solar energy conversion based on the optical results shown in this work.</p>
Pinhole-seeded lateral epitaxy and exfoliation of GaSb films on graphene-terminated surfaces
<p>Raw dataset corresponding to https://doi.org/10.1038/s41467-022-31610-y</p>
The Breast Duct: Pilot Study of Genomic Sequencing of Exfoliated Ductal Cells Obtained Through Endoscopy and Lavage
ClinicalTrials.gov study NCT02121873. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Genetic and Risk Factors in Exfoliation Glaucoma Patients
ClinicalTrials.gov study NCT06237764. IPD Sharing: YES. Countries: 1. Publications: 1.
Exfoliated Cytology in Detection of Oral Premalignant and Malignant Lesions
ClinicalTrials.gov study NCT04955197. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
0.3% Sodium Hyaluronate Eye Drop to Prevent Recurrent Corneal Epithelium Exfoliation
ClinicalTrials.gov study NCT03000556. IPD Sharing: YES. Countries: 1. Publications: 1.
Efficient production of few-layer black phosphorus by liquid-phase exfoliation
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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