Defect concentrations in the nitrogen doped sample
Electrochemical Determination of Maltol in Food Sample Based on Nitrogen-Doped Graphene -Modified Electrode
... Diverse pulse voltammetry (DPV) was applied to research how peak currents relates to maltol concentrations, for the purpose of gaining more optimized sensitivity and symmetrical peak morphs. Fig. 5 shows ...
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STUDY OF THE PROCESSES OF DEFECT FORMATION IN SILICON, DOPED WITH COBALT
... Fig. 1: Based on the resistivity distribution depth in samples of Si<Со> (1, 2) and a control sample Si (3). Measurement of DLTS spectra has shown that after the introduction of the diffusion of an impurity of ...
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Nucleation and Growth of Defects in Nitrogen doped Silicon
... point defect dynamics from the extended defect formation history. Defect nucleation during crystal growth was qualitatively discussed and defect precursors were mapped on the crystal hot zones ...
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Nitrogen Desorption and Positron Sensitive Defect of CVD Diamond
... gap defects are filled thermally in the dark and emptied by photo-excitation into the conduction band at high temperature. Wotherspoon et al . [7] reported a DBAR relaxation time for diamond samples that were ...
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Phonon-defect scattering in doped silicon by molecular dynamics simulation
... = a 3 ⌫ 4 3 4 . 共3兲 Cahill et al. 7 recently measured the thermal conductivities of epitaxial layers of Si doped with up to 1 at. % Ge and found that the dependence of the thermal conductivity on tempera- ...
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Characterization of Nitrogen-Boron doped 4H-SiC substrates
... The DAP recombination rate R DA can be described by the following equation DA D D A R N F N (3) where F D is the occupancy probability of an electron on donor states, nearly constant for n-type SiC. From above ...
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Nitrogen Doped Graphene as Potential Material for Hydrogen Storage
... 2.4. Hydrogen Adsorption/Desorption Isotherm High Pressure Volumetric hydrogen adsorption measurements have been car- ried out using High pressure volumetric analyzer (HPVA 100). The high pres- sure adsorption analyzer ...
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Electron paramagnetic resonance of the N2V−defect in N15 doped synthetic diamond
... Abstract Nitrogen is the dominant impurity in the majority of natural and synthetic diamonds, and the family of nitrogen vacancy-type (N n V) defects are crucial in our understanding of defect ...
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Capacitive storage at nitrogen doped amorphous carbon electrodes: structural and chemical effects of nitrogen incorporation
... that nitrogen incorporation signicantly increases the capacitive storage in aqueous media relative to the N-free parent ...initial nitrogen incorporation into the disordered carbon scaffold compensates for ...
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Differentiating the Impact of Nitrogen Chemical States on Optical Properties of Nitrogen-Doped Graphene Quantum Dots
... shows the emission enhancement at 470 nm is even greater and is assigned to the addition of quaternary N. The increased emission intensity at 470 nm follows a similar trend to the previously mentioned work by Qu et al. ...
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Preparation of Nitrogen Doped Lignin derived Porous Carbon for Supercapacitors
... the nitrogen-doped carbon material is moderately crystalline, however ...the sample, the G (1590 cm -1 ) band is derived from bond stretching of sp2 carbon pairs in both rings and chains, D (1350 cm ...
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An Electrochemical Hydroquinone Sensor with Nitrogen-Doped Graphene Modified Electrode
... 2.3 Procedure HQ solution in 0.1 mol L -1 pH 2.0 PBS was put into a 10 mL electrochemical cell and the three-electrode system was immersed in the solution during measurements. Cyclic voltammetry was performed for the ...
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Nitrogen-doped Graphene Electrochemical Sensor for Selenium (IV) in Water
... Organization and other water quality control organizations have set numerical limits of 10 ppb for Se in drinking water [2,3,4]. Selenium is found in the environment in several oxidation states, VI, IV, 0 and –II. Se(IV) ...
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Nitrogen Doped Titanium Dioxide in the Photocatalytic Degradation of Methylene Blue
... A typical photocatalytic experiment consisted of stirring the mixture in the dark for an hour to allow adsorption equilibrium of the MB molecules onto the catalyst and then turn on the lamp and irradiate the target ...
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Nitrogen doped reduced graphene oxide electrodes for electrochemical supercapacitors
... Sample preparation has previously been reported 31 but shall be summarised herein. In brief, GO powder was synthesised by a modified Hummers and Offeman method 32 to produce the starting material. Gram scale ...
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Porous Carbon doped by different nitrogen sources and its Electrochemical Properties
... 2.2 Synthesis of NPCs and NCMSs The NPCs was synthesized by using 1 g PS template and 3 g PAN. A control sample were prepared by using 3 g PAN solely and denoted as nitrogen doped carbon materials ...
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Fabrication of Nitrogen-Doped Carbon Nanofiber Networks for Oxygen Reduction Reaction
... work, nitrogen-doped carbon nanofiber networks (NCFWs) were fabricated by a simple method of paralyzing polypyrrole nanofiber networks (PPy NFWs) ...as-prepared sample. Then the ...
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Effect of NH3 Concentration on the Performance of Nitrogen doped TiO2 Photoelectrochemical Cell
... The structures remains the same for all the NH 3 treated TiO 2 even though the cracks were visible due to the surface tension arises from the growth process and the annealing temperature performed on the samples as the ...
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A novel and simple nitrogen-doped carbon/polyaniline electrode material for supercapacitors
... NC sample showed two broad diffraction peaks at about 2 θ = 24° and ...NCP sample showed only broad diffraction peaks at about 2 θ = 24°, possibly due to the fact that the deposited PANI layer weakens the ...
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The impact of structure on the electrical transport properties of nitrogen-doped carbon microspheres
... vs sample spin density which was used to estimate the nitrogen content of unknown samples ...decreasing nitrogen content. The nitrogen functional groups create paramagnetic spin sites through ...
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