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Search results for: RAMA OKIENNA
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Raman spectra of CPMH and CPMD
Open Research DataThese data contains Raman spectra of CPMH and CPMD. Raman scattering was measured with a RenishawmicroRaman spectrometer (785 nm). Sample abbreviations (CPMH, CPMD) are in agreement with the markings used in the linked publication.
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Raman spectra of MXenes catalysts
Open Research DataData contain results from Raman spectroscopy of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. ...
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Raman spectra for pyrolized natural compounds
Open Research DataThe presented data showcases the results of Raman spectroscopy analysis conducted on pyrolyzed natural compounds both with and without the inclusion of graphene. The study delved into four specific compounds: methylcellulose with lysine (ML), methylcellulose with lysine-graphene composite (MLG), algae (A), and algae-graphene composite (AG). Raman spectra...
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Raman spectroscopy analysis of synthesized sol-gel silica coatings
Open Research DataThese data contains Raman spectra of silica coatings synthesized using sol-gel method A and B, which were described with publication associated with this dataset. Raman scattering was measured with a Renishaw microRaman spectrometer (830 nm).
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Raman data of deuterium and hydrogen grown boron-doped diamond
Open Research DataRaman spectra were recorded at room temperature using a micro-Raman spectrometer (Invia, Renishaw) equipped with an edge filter with different excitation wavelengths and lasers: UV λ = 325 nm (HeCd), blue λ = 488 nm (Ar+), green λ = 514 nm (Ar+), and IR λ = 785 nm (IR diode) and 50× microscope objective. To avoid sample heating, the radiation power...
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Raman spectra and electrochemical data of carbon nanowall with tailored defects
Open Research DataThis dataset comprises of Raman spectra aquired with different excitation laser sources and the electrochemical data of defect-induced carbon nanowall electrodes (CNW).
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Raman data of based on BDD, Mn-BDD, Mn-BDD(AN) electrodes
Open Research DataRaman spectra of samples : ion implanted BDD (Mn-BDD) films; prepared by high dose (1015-1017 ions/cm2) Mn ion implantation and post-annealing treatment.
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Case Study NEB Atlas / part II - Autodesk Forma analysis / Seestadt Aspern, Vienna, Austria
Open Research DataThe data present the results of the work on the analysis of modern settlements. The goal of this part of the research was to analyze housing estates already in place in various European cities. Analyses were performed in real time using artificial intelligence, and responses were searched for sun hours, daylight potential, noise, wind, and microclimate....
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SEM and Raman studies B:CNWs and BDD electrode used for electrochemical paraquat determination
Open Research DataThe dataset contains the scanning electron micrographs (SEM) and Raman spectra of B:CNWs and BDD samples deposited by MW-PECVD. SEM was used to characterise the morphology of BDD and B:CNW. In contrast, RAMAN was used to reveal the main differences in the crystalline structure of BDD and B:CNWs.
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Paracetamol in Friction Ridge Skin Raman Spectra - Paracetamol Reference and from drugs 2023
Open Research DataRaman scatter spectra for paracetamol from different drugs and paracetamol reference.
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Physicochemical studies (Raman, XRD) of poly(lactic acid)-carbon black-nanodiamond composites
Open Research DataThis dataset contains physico-chemical examination of a new 3D printing-dedicated composites with poly-lactic acid (PLA), carbon black (CB) and nanodiamond fillers. Two types of nanodiamonds were studied: detonation nanodiamonds (DND) and boron-doped carbon nanowalls (BCNW). The investigated techniques include Raman spectroscopy and X-ray diffraction...
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Acetaminophen in Friction Ridge Skin Raman Spectra - acetaminophen (paracetamol) Reference and from drugs 2023
Open Research DataRaman spectra for acetaminophen (paracetamol) from different drugs and paracetamol reference.
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Raman spectroscopy analysis of poly(lactic acid)-carbon black composite treated by femtosecond laser
Open Research DataThe dataset contains the Raman spectroscopy measurements of commercially available carbon black-filled poly(lactic acid) 3D printed electrodes after femtosecond laser ablation. These results were utilized in the manuscript published in Electrochimica Acta: 10.1016/j.electacta.2022.140288
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Physicochemical studies (Raman) of multiple times processed poly(lactic acid)-carbon black composites
Open Research DataThis dataset contains Raman spectroscopy studies of commercially available ProtoPasta 3D printable filament, composed of poly-lactic acid (PLA) and conductive carbon black (CB) filler. The aim of the study is to observe structural differences and applied properties changes under multiple reprocessing of the composite material at different temperatures...
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Raman spectra of PCMCA-X (potassium citrate derived porous carbon materials obtained at various temperatures of carbonization)
Open Research DataThese data contain Raman spectra of PCMCA-700 (potassium citrate derived porous carbon materials obtained at 700°C ), PCMCA-800 (potassium citrate derived porous carbon materials obtained at 800°C ), PCMCA-900 (potassium citrate derived porous carbon materials obtained at 900°C ). The D peak at 1340 cm−1 and the G peak at 1592 cm−1 can be seen in all...
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SWM for porous hierarchical nanocarbons composites
Open Research DataRaw Raman spectra and XRD diffractograms (background subtracted) of 13 among which carbon-derived secondary waste and reference materials.
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Raman spectra of WS2/userGOx (composites of tungsten disulfide and ultrafast self-expanded and reduced graphene oxide) and ex-WS2 (exfoliated tungsten disulfide)
Open Research DataThese data contain Raman spectra of WS2/userGOx (composites of tungsten disulfide and ultrafast self-expanded and reduced graphene oxide) and ex-WS2 (exfoliated tungsten disulfide). The data were collected for samples obtained from three ex-WS2:GO dispersions - with 1:1, 1:2, and 2:1 weight ratios.
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Changes on the Surface of the SiO2/C Composite, Leading to the Formation of Conductive Carbon Structures with Complex Nature of DC Conductivity
Open Research DataChanges on the Surface of the SiO2/C Composite, Leading to the Formation of Conductive Carbon Structures with Complex Nature of DC Conductivity
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Monitoring of Explosive Nitroaromatic Tetryl
Open Research DataSource data used for the publication entitled "sp2-rich Dendrite-like Carbon Nanowalls as Effective Electrode for Environmental Monitoring of Explosive Nitroaromatic Tetryl".1. SEM files2. TEM files3. XPS files4. Electrochemical measurements5. Raman files
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The luminescence study of (C10H16N)2MnBr4 Organic–Inorganic Hybrid
Open Research DataOrganic–inorganic hybrid metal halides have recently attracted attention in the global research field for their bright light emission, tunable photoluminescence wavelength, and convenient synthesis method. This study reports the detailed properties of (C10H16N)2MnBr4, which emits bright green light with a high photoluminescence quantum yield. Results...
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Carbonized Metal-Organic Frameworks-based strucutres with aluminium, phosphorus and nitrogen
Open Research DataThe dataset includes Raman spectra of carbonized Metal-Organic Frameworks (MOF) [acquired on Renishaw] and electrochemical properties of the materials [acquired on EC Lab], which includes techniques such as Linear Sweep Voltammetry (LCV), Electrochemical Impedance Spectroscopy (EIS), Taffel slope and Chronopotentiometry (CP).
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The TPR reduction profile of MCO powder
Open Research DataThe dataset includes the TPR reduction profiles of MnCo2O4 (MCO) commercial powder. The dataset includes a cycle of reduction under H2/Ar mixture from 100C to 900C. Gas flow:40ml/min and temperature ramp: 10deg/min. Degassed at 200C in He for 1 h.
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Structural and luminescence properties of B2O3-Bi2O3+10AlF3 glasses doped with Eu3+/Dy3+ ions
Open Research DataThe attached data contains the results of measurements of B2O3-Bi2O3 and B2O3-Bi2O3+10AlF3 glasses doped with Eu3+ and Dy3+ ions in different molar ratios. Glasses were synthesized by the melt quenching technique. On their basis, the structural, optical, and luminescence properties of synthesized samples were characterized. The dataset includes XRD,...
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The TPR reduction profile of Ce0.9M0.1O2
Open Research DataThe dataset includes the TPR reduction profiles of Ce0.9M0.1O2 (where M=Mn, Fe, Co, Ni, Cu) nanopowders prepared by the reverse microemulsion method. After the synthesis powders were dried, then calcined at 500 degrees for 2 h. The measurements were carried out in H2/Ar mixture from 100C to 900C. Gas flow:40ml/min and temperature ramp: 10deg/min.
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Enhancement of self-trapped excitons and near-infrared emission in Bi3+/Er3+ co-doped Cs2Ag0.4Na0.6InCl6 double perovskite
Open Research DataErbium (Er) complexes are used as optical gain materials for signal generation in the telecom C-band at 1540 nm, but they need a sensitizer to enhance absorption. Na+ substitution for Ag+ and Bi3+ doping at the In3+ site is a possible strategy to enhance the broadband emission of Cs2AgInCl6, which could be used as a sensitizer for energy transfer to...
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Chemical and structural studies of screen-printed carbon electrodes (SPCE) with boron-doped diamond foils
Open Research DataThis dataset contains chemical analyses and structural studies by XPS and Raman spectroscopy, carried out for SPCE containing boron-doped diamond BDD foils done with scanning electron microscope. Different points for XPS analysis mark different electrode spots: A) working electrode, B) reference electrode, C) counter electrode, D) pads.
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Results of nanoindentation, XRD and microscopic studies of bacterial cellulose
Open Research DataThe archive contains the results of research on BNC bacterial biocellulose, which was modified in two ways. When BNC was synthesized, it was subjected to in situ modification involving the addition of hyuloronic acid to the bacterial medium. The second way of ex situ modification consisted of soaking the BNC in water and then convectionally drying it...
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Tropospheric parameters derived from the selected IGS stations in the global tropics for the years 2001-2018
Open Research DataThis dataset contains daily GNSS-derived zenith tropospheric delay (ZTD), a posteriori corrected zenith wet delay (ZWD), and precipitable water vapour (PWV) time series. These troposphere-related data were estimated for the period between January 2001 and December 2018, for the 43 International GNSS Service (IGS) stations, located in the global tropics....
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New 3D printable filaments with nanodiamonds, physicochemical additives characteristics and electrochemical activity
Open Research DataThis dataset contains the physicochemical analyses (XRD, Raman spectroscopy, BET analyses) and electrochemical analyses (CV, EIS) for a new 3D-printable composite has been developed dedicated to electroanalytical applications. Two types of diamondised nanocarbons - detonation nanodiamonds (DNDs) and boron-doped carbon nanowalls (BCNWs) - were added...
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Research 1: Heterojunction of (P, S) co-doped g-C3N4 and 2D TiO2 for improved carbamazepine and acetaminophen photocatalytic degradation
Open Research DataThe first research article consisted on the synthesis of phosphorus and sulfur co-doped graphitic carbon nitride incorporated in 2D TiO2 structure for solar-driven degradation of emerging pollutants from the group of pharmaceuticals not susceptible to biodegradation. The hybrid photocatalysts with different loadings of (P, S)-doped g-C3N4 were characterized...
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Twenty years' (1996-2016) tropospheric parameters for selected EPN stations derived from GPS double-difference processing
Open Research DataPropagation of global navigation satellite systems (GNSS) signals through the Earth’s atmosphere is affected by its physical properties. Both hydrostatic and wet part of the atmosphere (mostly related with troposphere) causes delays of GNSS signal, which usually are expressed in the zenith direction (zenith hydrostatic delay - ZHD, and zenith wet delay...
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Twenty years' (1996-2016) tropospheric parameters for selected EPN stations derived from GPS precise point positioning
Open Research DataPropagation of global navigation satellite systems (GNSS) signals through the Earth’s atmosphere is affected by its physical properties. Both hydrostatic and wet part of the atmosphere (mostly related with troposphere) causes delays of GNSS signal, which usually are expressed in the zenith direction (zenith hydrostatic delay - ZHD, and zenith wet delay...
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Ni-based compounds in multiwalled graphitic shell for electrocatalytic oxygen evolution reactions
Open Research DataThis study investigates Ni-based compounds (Ni, NiO, Ni3C) coated with a graphitic shell as electrocatalysts for the oxygen evolution reaction (OER). Electron paramagnetic resonance (EPR) and X-ray diffraction (XRD) are employed to identify the presence and contribution of Nickel ions (Ni0, Ni2+, Ni3+) and determine the phase composition. Electrochemical...
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XPS data of deuterium and hydrogen grown boron-doped diamond
Open Research DataThe high-resolution C1s X-ray absorption spectra of BDD@H and BDD@D samples were measured using the facilities of the HE-SGM beamline (HE-SGM) at the BESSY II synchrotron radiation source of Helmholtz–Zentrum Berlin (HZB).[90] The measurements were carried out under ultra-high vacuum conditions: P ≈ 2×10−9 Torr at T = 300 K. The NEXAFS spectra were...
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The chemical and mechanical pressure influence on chromium luminescence
Open Research DataIn this study, we aim to compare the changes in the luminescence properties of Ga2O3:Cr3+ modified by Al or Sc ion substitution (chemical pressure) and hydrostatic pressure. We find the same behavior for Ga2–xAlxO3:Cr3+ and different behavior for Ga2–xScxO3:Cr3+ in terms of the optical properties under chemical and mechanical pressure. We consider Al...
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Tropospheric delays derived from GNSS observations during the derecho event in Poland of 11th August 2017
Open Research DataPropagation of global navigation satellite systems (GNSS) radio signals is disturbed by the current state of the Earth's atmosphere. For this reason, advances processing of GNSS signals can be used for investigation of the atmospheric condition. In case of troposphere, the GNSS signals allow for obtain information of tropospheric delay, which is mainly...
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Imaging of ferroelectric properties of sinter by means of Piezoresponse Force Microscopy
Open Research DataFerroelectricity is a property of certain materials [1], characterized by a spontaneous electrical polarization that can be reversed by applying an external electric field. Ferroelectric properties can be used to make capacitors with adjustable capacity. The permeability of ferroelectrics is not only regulated, but usually also very high, especially...
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Hourly GNSS-derived integrated moisture in the global tropics for the years 2001-2018
Open Research DataGlobal tropics are essential in formulating weather patterns and climate across various latitudes through atmospheric teleconnections. Since water vapour is an essential parameter in atmospheric convection and, thus, latent heat release, its tropical variability on different time scales is crucial in understanding weather and climate changes. The provided...