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Search for "voltammetry" in Full Text gives 138 result(s) in Beilstein Journal of Nanotechnology.

Flexible freestanding MoS2-based composite paper for energy conversion and storage

  • Florian Zoller,
  • Jan Luxa,
  • Thomas Bein,
  • Dina Fattakhova-Rohlfing,
  • Daniel Bouša and
  • Zdeněk Sofer

Beilstein J. Nanotechnol. 2019, 10, 1488–1496, doi:10.3762/bjnano.10.147

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  • paper for applications in supercapacitors (SCs). The capacitance was measured by a chronoamperometry technique in KCl solution (1 M) using different charging–discharging current densities (1–5 mA·cm−2) in a potential range determined by cyclic voltammetry (CV) shown in Supporting Information File 1
  • -based composite paper was also tested as an anode material for LIBs. Hence, the MoS2-based composite paper was used directly as an anode without any binder, carbon additive or a Cu-foil current collector. Figure 5a shows the first four cycles of the cyclic voltammetry (CV) curves of the MoS2-based
  • capacities at different current densities ranging from 0.1 to 2.0 A·g−1 and (d) cycling performance and coulombic efficiency at 0.2 A·g−1. Linear sweep voltammetry curves for the hydrogen evolution reaction measurements in 0.5 M H2SO4, 2 mV·s−1. Capacitance of MoS2-based composite paper measured using
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Published 24 Jul 2019

Hierarchically structured 3D carbon nanotube electrodes for electrocatalytic applications

  • Pei Wang,
  • Katarzyna Kulp and
  • Michael Bron

Beilstein J. Nanotechnol. 2019, 10, 1475–1487, doi:10.3762/bjnano.10.146

Graphical Abstract
  • nanoparticles were electrochemically deposited onto CNT/CNT/GC and CNT/GC using linear-sweep voltammetry from 0 to −0.9 V vs Ag|AgCl|KClsat.. For comparison, Pt deposition onto oxidized GC was carried out in the same manner (compare Supporting Information File 1, Figure S7 for the resulting deposition curves
  • , Figure S8). Electrochemical Investigations Cyclic voltammetry A basic electrochemical characterization of the prepared electrodes was carried out using cyclic voltammetry (CV). CVs of GC before and after oxidation in HNO3 as well as after growth of the primary CNTs and additional secondary CNTs are
  • source to yield N-CNT/N-CNT/GC. Finally, Pt nanoparticles were electrochemically deposited onto CNT/GC and CNT/CNT/GC in an aqueous 0.005 M Pt(NO3)2 and 0.1 M NaNO3 solution via linear-sweep voltammetry from 0 to −0.9 V vs Ag|AgCl|KClsat at a scan rate of 5 mV s−1 to form Pt-CNT/GC and Pt-CNT/CNT/GC. For
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Published 24 Jul 2019

Warped graphitic layers generated by oxidation of fullerene extraction residue and its oxygen reduction catalytic activity

  • Machiko Takigami,
  • Rieko Kobayashi,
  • Takafumi Ishii,
  • Yasuo Imashiro and
  • Jun-ichi Ozaki

Beilstein J. Nanotechnol. 2019, 10, 1391–1400, doi:10.3762/bjnano.10.137

Graphical Abstract
  • the amount of surface functional groups. The details of this technique are described elsewhere [45][46]. Electrochemical techniques Cyclic voltammetry was used to evaluate the heterogeneous electron transfer rate of the carbons in an aqueous solution consisting of 6 × 10−3 mol/L K3[Fe(CN)6] and 1 mol
  • cyclic voltammograms in a potential range of 0.6 to −0.1 V vs Ag/AgCl at different sweep rates (1 to 50 mV/s). Linear sweep voltammetry with a rotating disk electrode was used to evaluate the ORR activity of the prepared carbons. The carbons were used to form a working electrode by using a Nafion (Nafion
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Published 12 Jul 2019

Multicomponent bionanocomposites based on clay nanoarchitectures for electrochemical devices

  • Giulia Lo Dico,
  • Bernd Wicklein,
  • Lorenzo Lisuzzo,
  • Giuseppe Lazzara,
  • Pilar Aranda and
  • Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2019, 10, 1303–1315, doi:10.3762/bjnano.10.129

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  • operational stability of EBCs [37][41]. Herein, the performance of the biosensor was evaluated by cyclic voltammetry exploiting the mediated electron transfer (MET) mechanism and the power density of the assembled biofuel cell is examined through polarization curves obtained with linear sweep voltammetry in
  • tested as biosensor for the detection of glucose (Figure 5A). The performance of the biosensor was studied by cyclic voltammetry (CV) in the presence of potassium ferricyanide as mediator, relying on the mediated electron transfer (MET) mechanism. Figure 5B shows the CV curve of the biosensor in response
  • [71]: The reaction occurring on the anode surface is: while the Pt cathode catalyses the reaction: Linear sweep voltammetry (LSV) experiments were carried out to evaluate the electrocatalytic properties of the bionanocomposite Foam-GOx as 3D bio-anode. Figure 5D displays the catalytic behaviour during
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Published 25 Jun 2019

Alloyed Pt3M (M = Co, Ni) nanoparticles supported on S- and N-doped carbon nanotubes for the oxygen reduction reaction

  • Stéphane Louisia,
  • Yohann R. J. Thomas,
  • Pierre Lecante,
  • Marie Heitzmann,
  • M. Rosa Axet,
  • Pierre-André Jacques and
  • Philippe Serp

Beilstein J. Nanotechnol. 2019, 10, 1251–1269, doi:10.3762/bjnano.10.125

Graphical Abstract
  • with a commercial Pt3Co/Vulcan XC-72 (Pt3Co/CB) catalyst. This commercial reference has shown excellent activity in RRDE and during single cell tests [5]. Figure 4a,b shows the cyclic voltammetry (CV) curves obtained in N2-purged 0.5 M H2SO4 for Pt3Co/N-CNT, Pt3Co/N-CNTHT, Pt3Co/S-CNT, Pt3Ni/N-CNT
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Published 21 Jun 2019

Porous N- and S-doped carbon–carbon composite electrodes by soft-templating for redox flow batteries

  • Maike Schnucklake,
  • László Eifert,
  • Jonathan Schneider,
  • Roswitha Zeis and
  • Christina Roth

Beilstein J. Nanotechnol. 2019, 10, 1131–1139, doi:10.3762/bjnano.10.113

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  • obtained inside the macroporous carbon felt. For the investigation of electrode structure and porosity X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and nitrogen sorption (BET) were used. The electrochemical performance of the carbon felts was evaluated by cyclic voltammetry
  • felt (a,b) and the co-doped composite electrode (1000 / N+S; c,d): spectra of C 1s (left) and O 1s region (right). Comparison between the cyclic voltammetry curves of the N-doped (purple) and co-doped (blue, green) composite electrode as well as the carbonized (orange, red) and the pristine (black
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Published 28 May 2019

Glucose-derived carbon materials with tailored properties as electrocatalysts for the oxygen reduction reaction

  • Rafael Gomes Morais,
  • Natalia Rey-Raap,
  • José Luís Figueiredo and
  • Manuel Fernando Ribeiro Pereira

Beilstein J. Nanotechnol. 2019, 10, 1089–1102, doi:10.3762/bjnano.10.109

Graphical Abstract
  • basic electrolyte at 1600 rpm and the Nyquist plot obtained from electrochemical impedance spectroscopy measurements are shown in Figure 2a and 2b, respectively. To evaluate the performance of the prepared electrocatalysts, cyclic voltammetry (CV) and linear sweep voltammetry (LSV) were performed. LSV
  • speed controller allowed the rotation of the working electrode to be adjusted according to the assessments being done. The experiments were carried out at room temperature in a 0.1 mol L−1 KOH solution saturated with N2 or O2 for 30 min before the cyclic voltammetry (CV) and linear sweep voltammetry
  • ) of the activated carbons. Linear sweep voltammetry recorded in an O2-saturated 0.1 mol L−1 KOH electrolyte at 1600 rpm (a) and Nyquist plot obtained from electrochemical impedance spectroscopy (b). Relationship between BET surface area and the limiting current density of the activated samples
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Published 21 May 2019

Concurrent nanoscale surface etching and SnO2 loading of carbon fibers for vanadium ion redox enhancement

  • Jun Maruyama,
  • Shohei Maruyama,
  • Tomoko Fukuhara,
  • Toru Nagaoka and
  • Kei Hanafusa

Beilstein J. Nanotechnol. 2019, 10, 985–992, doi:10.3762/bjnano.10.99

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  • photoelectron spectroscopy (XPS). The activity for the vanadium ion redox reactions was evaluated by cyclic voltammetry (CV) to demonstrate the enhancement of both the positive and negative electrode reactions. A full cell test of the vanadium redox flow battery (VRFB) showed a significant decrease of the
  • or TGP-CSnPc-550Air in both the positive and negative electrodes to verify the enhancement effect observed by using cyclic voltammetry. Figure 6 shows the charge–discharge curves and cycling performances for the two full cells. Significant decreases in the overpotential for both charge and discharge
  • system (Kratos Analytical) with Al Ka radiation (1486.6 eV) and the accompanying Vision processing software. The XPS analysis area was 0.3 × 0.7 mm. Electrochemical measurements As described in [15], cyclic voltammetry was carried out using a three-electrode glass cell and an electrochemical analyzer
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Published 30 Apr 2019

An efficient electrode material for high performance solid-state hybrid supercapacitors based on a Cu/CuO/porous carbon nanofiber/TiO2 hybrid composite

  • Mamta Sham Lal,
  • Thirugnanam Lavanya and
  • Sundara Ramaprabhu

Beilstein J. Nanotechnol. 2019, 10, 781–793, doi:10.3762/bjnano.10.78

Graphical Abstract
  • pseudo-capacitance behavior. Electrochemical measurements were performed by cyclic voltammetry, galvanostatic charge–discharge and electrochemical impedance spectroscopy. The highest specific capacitance value of 530 F g−1 at a current density of 1.5 A g−1 was obtained for the Cu/CuO/PCNF/TiO2 composite
  • given in Figure 2. Cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) tests for the synthesized samples and its composites were performed over a voltage range from 0 to 0.8 V. The electrochemical impedance spectra (EIS) were recorded employing the same instrument over a frequency range of
  • The electrochemical studies of developed electrode materials for supercapacitors were executed by cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance spectroscopy in a 1 M H2SO4 aqueous electrolyte in a three-electrode configuration. Figure 10a shows the CV curves of TiO2
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Published 01 Apr 2019

A porous 3D-RGO@MWCNT hybrid material as Li–S battery cathode

  • Yongguang Zhang,
  • Jun Ren,
  • Yan Zhao,
  • Taizhe Tan,
  • Fuxing Yin and
  • Yichao Wang

Beilstein J. Nanotechnol. 2019, 10, 514–521, doi:10.3762/bjnano.10.52

Graphical Abstract
  • cycling performances of the Li–S battery was investigated using a battery testing station (Neware, Shenzhen) in potential range of 1.5–3.0 V. The electrochemical workstation (Princeton, VersaSTAT 4) was used to evaluate cyclic voltammetry (CV) also in a potential range of 1.5–3.0 V. Electrochemical
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Published 21 Feb 2019

Widening of the electroactivity potential range by composite formation – capacitive properties of TiO2/BiVO4/PEDOT:PSS electrodes in contact with an aqueous electrolyte

  • Konrad Trzciński,
  • Mariusz Szkoda,
  • Andrzej P. Nowak,
  • Marcin Łapiński and
  • Anna Lisowska-Oleksiak

Beilstein J. Nanotechnol. 2019, 10, 483–493, doi:10.3762/bjnano.10.49

Graphical Abstract
  • cell was used for cyclic voltammetry and galvanostatic charge–discharge cycles measurements. Platinum mesh acted as a counter electrode, and Ag/AgCl (0.1 M KCl) was used as the reference electrode. The geometric surface area of tested electrodes was equal to 0.5 cm2. Current densities used for charge
  • least one additional peak that could be attributed to the titanium–oxygen bonds of titania [57]. Electrochemical performance Cyclic voltammetry was used for the electrochemical characterization of the electrode materials after each step of electrode preparation. The electrodes were tested in contact
  • with an aqueous electrolyte. First, a comparison between Ti/TiO2, Ti/BiVO4, and Ti/TiO2/BiVO4 electrodes was made. The cyclic voltammetry (cv) curve of TiO2 nanotubes is presented in Figure 4a. The electrochemical activity of the TiO2 electrode material is clearly seen in the cathodic range of applied
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Published 15 Feb 2019

Nanoporous water oxidation electrodes with a low loading of laser-deposited Ru/C exhibit enhanced corrosion stability

  • Sandra Haschke,
  • Dmitrii Pankin,
  • Vladimir Mikhailovskii,
  • Maïssa K. S. Barr,
  • Adriana Both-Engel,
  • Alina Manshina and
  • Julien Bachmann

Beilstein J. Nanotechnol. 2019, 10, 157–167, doi:10.3762/bjnano.10.15

Graphical Abstract
  • investigations in order to secure the stability of the Al2O3 template, ITO and ruthenium (Figure 2). In cyclic voltammetry (Figure 9a), our nanotubular nt-Ru/C electrodes feature two broad oxidative peaks located around 0.0 V and +0.5 V vs the Ag/AgCl reference electrode. These peaks correspond to the oxidation
  • voltammetry (Figure S5, Supporting Information File 1) performed after long-term bulk electrolyses support this statement. Optimization of electrocatalytic performance Our preparative procedure now allows us to adjust the geometric parameters of the nanoporous substrate in order to optimize the catalytic
  • 4 phosphate electrolyte prepared from 0.1 M KH2PO4. The stability of the Al2O3 template and ITO backside contact in pH 4 conditions was verified with SEM after 20 h in the electrolyte. All electrochemical measurements including cyclic voltammetry (CV), linear sweep voltammetry (LSV) and steady-state
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Published 11 Jan 2019

Amorphous NixCoyP-supported TiO2 nanotube arrays as an efficient hydrogen evolution reaction electrocatalyst in acidic solution

  • Yong Li,
  • Peng Yang,
  • Bin Wang and
  • Zhongqing Liu

Beilstein J. Nanotechnol. 2019, 10, 62–70, doi:10.3762/bjnano.10.6

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  • by cyclic voltammetry, linear sweep voltammetry, and electrochemical impedance spectroscopy. We show that after incorporating Co into Ni–P, the resulting NixCoyP/TNAs present enhanced electrocatalytic activity due to the improved electron transfer and increased electrochemically active surface area
  • electrochemical workstation (Chenhua, Shanghai) including linear sweep voltammetry (LSV), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and Tafel analysis at 25 °C. The three electrode system was constituted of the sample working electrode, a platinum counter electrode, a Ag/AgCl
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Published 07 Jan 2019

Ternary nanocomposites of reduced graphene oxide, polyaniline and hexaniobate: hierarchical architecture and high polaron formation

  • Claudio H. B. Silva,
  • Maria Iliut,
  • Christopher Muryn,
  • Christian Berger,
  • Zachary Coldrick,
  • Vera R. L. Constantino,
  • Marcia L. A. Temperini and
  • Aravind Vijayaraghavan

Beilstein J. Nanotechnol. 2018, 9, 2936–2946, doi:10.3762/bjnano.9.272

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  • spectroscopic and cyclic voltammetry/spectroelectrochemical techniques [6]. The inorganic phase induces a secondary doping of the conductor polymer. In another work [7], Raman and EPR spectra also revealed that a PANI/hexNb nanocomposite prepared by the self-assembly approach exhibits a higher conversion of
  • spincoating or dropcasting. Structural characterisation by XPS spectroscopy indicated an intermediate reduction degree for the rGO component, and a high doping degree of the PANI chains consistent with secondary doping of the polymer. Electrochemical studies by cyclic voltammetry showed that the capacitance
  • avoid thermal degradation of the samples. For better comparison of the relative intensities, spectral baselines were subtracted. The electrochemical performance of the samples was evaluated by cyclic voltammetry (CV) at 25 mV·s−1 scan rate using a μAutolabIII/FRA2 potentiostat/galvanostat (Metrohm
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Published 26 Nov 2018

Nanostructure-induced performance degradation of WO3·nH2O for energy conversion and storage devices

  • Zhenyin Hai,
  • Mohammad Karbalaei Akbari,
  • Zihan Wei,
  • Danfeng Cui,
  • Chenyang Xue,
  • Hongyan Xu,
  • Philippe M. Heynderickx,
  • Francis Verpoort and
  • Serge Zhuiykov

Beilstein J. Nanotechnol. 2018, 9, 2845–2854, doi:10.3762/bjnano.9.265

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  • in 1.0 M H2SO4 aqueous solution. The as-prepared sample, a Pt wire and a Ag/AgCl electrode acted as working, counter and reference electrode, respectively. Cyclic voltammetry (CV) was conducted in the potential range from −0.8 V to +0.8 V (vs Ag/AgCl). Results and Discussion The crystal structure of
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Published 12 Nov 2018

Accurate control of the covalent functionalization of single-walled carbon nanotubes for the electro-enzymatically controlled oxidation of biomolecules

  • Naoual Allali,
  • Veronika Urbanova,
  • Mathieu Etienne,
  • Xavier Devaux,
  • Martine Mallet,
  • Brigitte Vigolo,
  • Jean-Joseph Adjizian,
  • Chris P. Ewels,
  • Sven Oberg,
  • Alexander V. Soldatov,
  • Edward McRae,
  • Yves Fort,
  • Manuel Dossot and
  • Victor Mamane

Beilstein J. Nanotechnol. 2018, 9, 2750–2762, doi:10.3762/bjnano.9.257

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  • not the case in our experiments. Moreover, this experiment confirms that no direct electron transfer can be achieved between diaphorase and the electrode, even in the presence of SWCNTs. The functionalization of SWCNTs with ferrocene groups allowed for observing by cyclic voltammetry a quasi
  • -based solutions. In spite of these differences, all oxidation processes and FcETGn linkers gave the kind of curves reported in Figure 11B. Cyclic voltammetry was then performed with f-SWCNTs in the presence of NADH (curve b) in Figure 11B. The electrochemical response was dramatically modified, with the
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Published 26 Oct 2018

Impact of the anodization time on the photocatalytic activity of TiO2 nanotubes

  • Jesús A. Díaz-Real,
  • Geyla C. Dubed-Bandomo,
  • Juan Galindo-de-la-Rosa,
  • Luis G. Arriaga,
  • Janet Ledesma-García and
  • Nicolas Alonso-Vante

Beilstein J. Nanotechnol. 2018, 9, 2628–2643, doi:10.3762/bjnano.9.244

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  • electrical contact of a Cu wire and colloidal-Ag paste (Radiospares 496-256). The TiO2-NT area was exposed by isolating with epoxy glue (3M, DP-190). Cyclic voltammetry (CV), in N2-saturated 0.5 M H2SO4 electrolyte was performed to clean the electrode surface from 0.05 to 1 V/NHE at a scan rate of 100 mV/s
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Published 04 Oct 2018

Thickness-dependent photoelectrochemical properties of a semitransparent Co3O4 photocathode

  • Malkeshkumar Patel and
  • Joondong Kim

Beilstein J. Nanotechnol. 2018, 9, 2432–2442, doi:10.3762/bjnano.9.228

Graphical Abstract
  • light source (5800 K, Bridgelux, ES Star Array, BXRA-56C0700-A) with a light intensity of 100 mW·cm−2 was calibrated with a power meter (KUSAMMECO, KM-SPM-11). Scan rates of 20 mV·s−1 with a 0.1 mV step were set to record the linear sweep voltammetry (LSV), with the scan direction from positive to
  • voltammogram (from 1.45 to −0.28 V vs RHE) of Co3O4 electrodes under pulsed light (100 mW·cm−2). Thickness-dependent linear sweep voltammetry of a Co3O4 working electrode under pulsed light. (a) 0.2 to −0.3 V vs RHE (inversion to deep inversion condition as well as HER); (b) 0.8 to 0 V vs RHE (Co3O4 undergoing
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Published 12 Sep 2018

ZnO-nanostructure-based electrochemical sensor: Effect of nanostructure morphology on the sensing of heavy metal ions

  • Marina Krasovska,
  • Vjaceslavs Gerbreders,
  • Irena Mihailova,
  • Andrejs Ogurcovs,
  • Eriks Sledevskis,
  • Andrejs Gerbreders and
  • Pavels Sarajevs

Beilstein J. Nanotechnol. 2018, 9, 2421–2431, doi:10.3762/bjnano.9.227

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  • more potential applications. Electrochemical methods such as cyclic voltammetry (CV), impedance spectroscopy (IS) and differential pulse voltammetry (DPV) are highly efficient in both qualitative and quantitative analysis of solutions [9][10][11]. These methods allow for the detection of hazardous
  • -ion deposition process, a series of cyclic voltammetry (CV) measurements were carried out using aqueous Pb(NO3)2 solution with concentrations of 150 μM, 300 μM, 1.5 mM, and 3 mM as a source of Pb2+ ions. In order to determine and compare the sensor sensitivity to other heavy metal ions, the experiment
  • chemically pure: no other elements other than Zn and O were detected. Cyclic voltammetry studies Prior to the CV measurements, 250 μL of distilled water was pipetted into each cell, left for ten minutes to ensure the complete wetting of the nanostructured surface, and then the CV curves were recorded. It was
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Published 11 Sep 2018

Spin-coated planar Sb2S3 hybrid solar cells approaching 5% efficiency

  • Pascal Kaienburg,
  • Benjamin Klingebiel and
  • Thomas Kirchartz

Beilstein J. Nanotechnol. 2018, 9, 2114–2124, doi:10.3762/bjnano.9.200

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  • ) measurements is reported to lie between 5.3 and 5.5 eV [30][51][63] with one report claiming 5.9 eV [32]. Reported HOMO values of the polymers are 4.9–5.1 eV for P3HT [64][65] and 5.3–5.4 eV for KP115 [61][66] and are obtained from cyclic voltammetry measurements, which yields lower lying HOMO levels than UPS
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Published 08 Aug 2018

Metal-free catalysis based on nitrogen-doped carbon nanomaterials: a photoelectron spectroscopy point of view

  • Mattia Scardamaglia and
  • Carla Bittencourt

Beilstein J. Nanotechnol. 2018, 9, 2015–2031, doi:10.3762/bjnano.9.191

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  • rearrangement of the nitrogen species: a decrease of pyrrolic N and a general transformation into graphitic N, consistent with other reports [58]. The electrocatalytic performances were measured by cyclic voltammetry in oxygen-saturated 1 M KOH electrolyte. By correlating XPS and ORR, the samples with the
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Published 18 Jul 2018

Synthesis of rare-earth metal and rare-earth metal-fluoride nanoparticles in ionic liquids and propylene carbonate

  • Marvin Siebels,
  • Lukas Mai,
  • Laura Schmolke,
  • Kai Schütte,
  • Juri Barthel,
  • Junpei Yue,
  • Jörg Thomas,
  • Bernd M. Smarsly,
  • Anjana Devi,
  • Roland A. Fischer and
  • Christoph Janiak

Beilstein J. Nanotechnol. 2018, 9, 1881–1894, doi:10.3762/bjnano.9.180

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  • there has been no report on ErF3 applied as electrode material for Li+/Li. Cyclic voltammetry was performed to address general aspects of the redox behaviour (Figure 5). In the range from 1.0 to 5.0 V, during the reduction, a reduction process takes place starting at 1.5 V, which may be attributed to
  • lithium foil as a counter electrode and 1 M LiPF6 in ethylene carbonate–ethyl methyl carbonate (50:50) as the electrolyte. The cyclic voltammetry (CV) data of these half-cells were collected utilizing an electrochemical workstation (Autolab 302) with different cut-off potentials. TEM images and particle
  • (amd)3. The red and green bars are a guide to the eye on the binding-energy axis. Cyclic voltammetry of a half-cell with ErF3 as working electrode and lithium foil as counter electrode at the different cut-off potentials. The figures at the right represent magnifications of the two left figures. TEM
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Published 28 Jun 2018

Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction

  • Rashmi Acharya,
  • Brundabana Naik and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

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  • ) curve (Figure 5) obtained from linear sweep voltammetry (LSV) gives the photocurrent generation by an applied bias; the higher the current density, the better the separation of photogenerated charge carriers [97][98]. It has been shown that a more negative open circuit potential (Voc), results in higher
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Published 16 May 2018

Electrodeposition of reduced graphene oxide with chitosan based on the coordination deposition method

  • Mingyang Liu,
  • Yanjun Chen,
  • Chaoran Qin,
  • Zheng Zhang,
  • Shuai Ma,
  • Xiuru Cai,
  • Xueqian Li and
  • Yifeng Wang

Beilstein J. Nanotechnol. 2018, 9, 1200–1210, doi:10.3762/bjnano.9.111

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  • a correlation between the current and the concentration of 1-naphthol. Figure 7a shows the differential pulse voltammetry (DPV) of the GCE with the deposited HACC-rGO/CS film in the presence of 1-naphthol with different concentrations. The peak current for 1-naphthol increases with the increase of 1
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Published 17 Apr 2018

Semi-automatic spray pyrolysis deposition of thin, transparent, titania films as blocking layers for dye-sensitized and perovskite solar cells

  • Hana Krýsová,
  • Josef Krýsa and
  • Ladislav Kavan

Beilstein J. Nanotechnol. 2018, 9, 1135–1145, doi:10.3762/bjnano.9.105

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  • acetylacetone), concentration (0.05 and 0.2 M) and subsequent post-calcination at 500 °C. The photo-electrochemical properties were evaluated in aqueous electrolyte solution under UV irradiation. The blocking properties were tested by cyclic voltammetry with a model redox probe with a simple one-electron
  • be achieved with good blocking properties and low sensitivity to calcination at the same time. Such fabricated BL TiO2 films were characterized by photo-electrochemical measurements in aqueous electrolyte solution. The blocking ability was quantified by cyclic voltammetry with a K3[Fe(CN)6]/K4[Fe(CN
  • -electrochemical experiments [14]. The blocking properties of the deposited layers were evaluated by cyclic voltammetry (CV) in aqueous electrolyte solution composed of 0.5 mM K4[Fe(CN)6], 0.5 mM K3[Fe(CN)6] in 0.5 M KCl, pH 2.5. Results and Discussion To optimize the SPD conditions, we initially tested the effect
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Published 10 Apr 2018
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