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Search for "thermal analysis" in Full Text gives 43 result(s) in Beilstein Journal of Nanotechnology.

First examples of organosilica-based ionogels: synthesis and electrochemical behavior

  • Andreas Taubert,
  • Ruben Löbbicke,
  • Barbara Kirchner and
  • Fabrice Leroux

Beilstein J. Nanotechnol. 2017, 8, 736–751, doi:10.3762/bjnano.8.77

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  • attenuated total reflection (ATR) mode on a Thermo Nicolet FT-IR Nexus 470 with ATR probe head. Spectra were taken from 500 to 4000 cm−1 with a resolution of 2 cm−1 and 32 scans per measurement. Elemental analysis (EA). EA was done on an Elementar Vario EL III elemental analyzer. Thermal analysis
  • . Simultaneous thermogravimetric analysis-differential thermal analysis (TGA-DTA) experiments were done on a Linseis L81 thermal balance and on a Linseis STA PT-1600 thermal balance in air from 20 to 900 °C with a heating rate of 10 °C/min. Differential scanning calorimetry (DSC) measurements were done on a
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Published 29 Mar 2017

Liquid permeation and chemical stability of anodic alumina membranes

  • Dmitrii I. Petukhov,
  • Dmitrii A. Buldakov,
  • Alexey A. Tishkin,
  • Alexey V. Lukashin and
  • Andrei A. Eliseev

Beilstein J. Nanotechnol. 2017, 8, 561–570, doi:10.3762/bjnano.8.60

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  • ). Composition of buffer solutions used in permeation experiments and chemical stability measurements. Supporting Information Supporting Information File 1 contains the thermal analysis data of membranes obtained under “hard” and ”mild” anodization conditions, in addition to experimental details regarding the
  • carbon coating and Raman spectrum of the obtained carbon coating. Supporting Information File 28: Thermal analysis and membrane modification via CVD process. Acknowledgements The work is partially supported by the Russian Science Foundation Grant No. 17-13-01271 in part of membranes microstructure
  • . 16-33-60195_mol_a_dk. We thank P.V. Evdokimov for help with the thermal analysis and I.A. Kasyanov for help with the NMR study of the anodic alumina membranes.
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Published 06 Mar 2017

Diffusion and surface alloying of gradient nanostructured metals

  • Zhenbo Wang and
  • Ke Lu

Beilstein J. Nanotechnol. 2017, 8, 547–560, doi:10.3762/bjnano.8.59

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  • concentrations in both systems. This mechanism might also contribute to the promoted growth kinetics of a compound layer in GNS samples. Stored energy and reaction thermodynamics Thermal analysis (see Figure 4b) of the reaction between Zn and GNS Fe showed that an exothermic peak appears at about 309 °C, which
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Published 03 Mar 2017

Tailoring bifunctional hybrid organic–inorganic nanoadsorbents by the choice of functional layer composition probed by adsorption of Cu2+ ions

  • Veronika V. Tomina,
  • Inna V. Melnyk,
  • Yuriy L. Zub,
  • Aivaras Kareiva,
  • Miroslava Vaclavikova,
  • Gulaim A. Seisenbaeva and
  • Vadim G. Kessler

Beilstein J. Nanotechnol. 2017, 8, 334–347, doi:10.3762/bjnano.8.36

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  • ) belongs to T3 and T2 structural units, respectively (≡SiR’ and ≡Si(OR)R’, where R’ is a functional group –(CH2)2(CF2)5CF3 or –(CH2)3NH2) [40][41]. The contents of the functional groups present in mono- and bifunctional samples were quantified using thermal analysis (Figure S7 and Table S1, Supporting
  • N4 procedure at 0 °C and 50 °C, respectively. The labels F1 and F2 stand for the RT procedures with TEOS/PFES = 3:1 and 3:0.5, respectively. Characterization techniques Thermal analysis was performed on the MOM Q-1500 D (Paulik–Paulik–Erdey) derivatograph operating in the range of 20–1000 °C, with a
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Published 02 Feb 2017

Nanocrystalline ZrO2 and Pt-doped ZrO2 catalysts for low-temperature CO oxidation

  • Amit Singhania and
  • Shipra Mital Gupta

Beilstein J. Nanotechnol. 2017, 8, 264–271, doi:10.3762/bjnano.8.29

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  • thermal analysis of the prepared ZrO2 and Pt(1%)-ZrO2 nanoparticles is shown in Figure 3. The TGA curve shows an initial small weight loss between 50 and 100 °C, which may be due to evaporation of water adsorbed in the sample. After the initial weight loss, there was a small weight loss leading to a total
  • absorbance measurements were carried out on a Shimadzu spectrophotometer (model UV-1800) in the range of 200–700 nm. Thermal analysis of the prepared ZrO2 samples was performed using TGA thermal analyzer (STA-1500 Model) at a heating rate of 10 °C/min under ambient atmosphere. TEM micrographs were obtained
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Published 26 Jan 2017

Effect of nanostructured carbon coatings on the electrochemical performance of Li1.4Ni0.5Mn0.5O2+x-based cathode materials

  • Konstantin A. Kurilenko,
  • Oleg A. Shlyakhtin,
  • Oleg A. Brylev,
  • Dmitry I. Petukhov and
  • Alexey V. Garshev

Beilstein J. Nanotechnol. 2016, 7, 1960–1970, doi:10.3762/bjnano.7.187

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  • . The thermal analysis of the linear and cross-linked PVA was performed in argon by heating to 700 °C at a rate of 10 °C·min−1 (STA 209 PC Luxx thermal analyzer (Netzsch)). The morphology of the composites and their electron diffraction patterns were analyzed by transmission electron microscopy (Libra
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Published 09 Dec 2016

Analysis of self-heating of thermally assisted spin-transfer torque magnetic random access memory

  • Austin Deschenes,
  • Sadid Muneer,
  • Mustafa Akbulut,
  • Ali Gokirmak and
  • Helena Silva

Beilstein J. Nanotechnol. 2016, 7, 1676–1683, doi:10.3762/bjnano.7.160

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  • we perform an electro-thermal analysis of the self-heating process for a standard perpendicular magnetic anisotropy STT-MRAM device (Figure 1) to understand the relative contributions of the different heat mechanisms involved and the effect of external device parameters such as passivation material
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Published 11 Nov 2016

Sb2S3 grown by ultrasonic spray pyrolysis and its application in a hybrid solar cell

  • Erki Kärber,
  • Atanas Katerski,
  • Ilona Oja Acik,
  • Arvo Mere,
  • Valdek Mikli and
  • Malle Krunks

Beilstein J. Nanotechnol. 2016, 7, 1662–1673, doi:10.3762/bjnano.7.158

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  • thermal analysis of the Sb(tu)2Cl3 with tartaric acid as the complexing agent. Besides the requirement stemming from the use of the precursor, temperatures of above 225 °C are required for the crystallization of Sb2S3 [44]. Samples were prepared with the number of Sb2S3 growth cycles ranging from three up
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Published 10 Nov 2016

Mesoporous hollow carbon spheres for lithium–sulfur batteries: distribution of sulfur and electrochemical performance

  • Anika C. Juhl,
  • Artur Schneider,
  • Boris Ufer,
  • Torsten Brezesinski,
  • Jürgen Janek and
  • Michael Fröba

Beilstein J. Nanotechnol. 2016, 7, 1229–1240, doi:10.3762/bjnano.7.114

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  • Information Supporting Information contains characterization of the silica template (SEM, pXRD, nitrogen physisorption), CO2 physisorption of HCS as well as thermal analysis, SEM/EDX analysis and nitrogen physisorption of HCS/sulfur composites and derivation of Equation 3 and Equation 4. Supporting
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Published 30 Aug 2016

Reasons and remedies for the agglomeration of multilayered graphene and carbon nanotubes in polymers

  • Rasheed Atif and
  • Fawad Inam

Beilstein J. Nanotechnol. 2016, 7, 1174–1196, doi:10.3762/bjnano.7.109

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  • al. attached carboxy groups on CNTs and then dispersed these surface-modified CNTs in an epoxy resin without curing agent. Spectroscopic and thermal analysis showed covalent interfacial bonds [124]. Physical or non-covalent functionalization: Supermolecular complexes of filler are formed through
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Published 12 Aug 2016

Thermal treatment of magnetite nanoparticles

  • Beata Kalska-Szostko,
  • Urszula Wykowska,
  • Dariusz Satula and
  • Per Nordblad

Beilstein J. Nanotechnol. 2015, 6, 1385–1396, doi:10.3762/bjnano.6.143

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  • cm−1. The quality of the nanopowders was observed using a Tecnai G2 X-TWIN transmission electron microscope (TEM). The analysis of the crystal structure was carried out using an Agilent Technologies SuperNova X-ray diffractometer (XRD) with a Mo microfocused source (Mo Kα = 0.713067 Å). The thermal
  • analysis of the magnetite and core–shell nanoparticles was performed on a Mettler Toledo differential scanning calorimeter (DSC). A Quantum Design MPMS SQUID magnetometer was used for the magnetization measurements. Mössbauer spectra (MS) were obtained using a conventional spectrometer working in constant
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Published 23 Jun 2015

Anticancer efficacy of a supramolecular complex of a 2-diethylaminoethyl–dextran–MMA graft copolymer and paclitaxel used as an artificial enzyme

  • Yasuhiko Onishi,
  • Yuki Eshita,
  • Rui-Cheng Ji,
  • Masayasu Onishi,
  • Takashi Kobayashi,
  • Masaaki Mizuno,
  • Jun Yoshida and
  • Naoji Kubota

Beilstein J. Nanotechnol. 2014, 5, 2293–2307, doi:10.3762/bjnano.5.238

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  • . Thermal analysis of the supramolecular DDMC/PTX complex The differential scanning calorimetry (DSC) measurements of the DDMC/PTX supramolecular complex and PTX are shown in Figure 2. Sample 4 exhibits three characteristic endothermic and one additional exothermic peak. A description of the peaks is given
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Published 01 Dec 2014

Ionic liquid-assisted formation of cellulose/calcium phosphate hybrid materials

  • Ahmed Salama,
  • Mike Neumann,
  • Christina Günter and
  • Andreas Taubert

Beilstein J. Nanotechnol. 2014, 5, 1553–1568, doi:10.3762/bjnano.5.167

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  • thermogravimetric analysis/differential thermal analysis show that, depending on the reaction conditions, cellulose/hydroxyapatite, cellulose/chlorapatite, or cellulose/monetite composites form. Preliminary studies with MC3T3-E1 pre-osteoblasts show that the cells proliferate on the hybrid materials suggesting that
  • . Thermogravimetric analysis/differential thermal analysis was done on a Linseis STA PT-1600 thermal balance in air from 20 to 600 °C with a heating rate of 10 K/min and air flow of 50 mL/min. Results Calcium phosphate precipitated without cellulose Table 1 summarizes the samples obtained after reaction in [Bmim][Cl
  • especially the intensity of the phosphate vibration bands is fairly low in the samples prepared at higher cellulose concentrations. Figure 10 shows thermogravimetric analysis/differential thermal analysis (TGA/DTA) data. Table 5 summarizes the results from elemental analysis (CHN analysis) and TGA/DTA. TGA
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Published 16 Sep 2014

Characterization and photocatalytic study of tantalum oxide nanoparticles prepared by the hydrolysis of tantalum oxo-ethoxide Ta83-O)2(μ-O)8(μ-OEt)6(OEt)14

  • Subia Ambreen,
  • N D Pandey,
  • Peter Mayer and
  • Ashutosh Pandey

Beilstein J. Nanotechnol. 2014, 5, 1082–1090, doi:10.3762/bjnano.5.121

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  • chloroform. A TEM image of the so obtained particles is shown in Figure 5. Thermal analysis of the prepared Ta2O5 nanoparticles Thermogravimetry, differential thermal analysis and differential scanning calorimetry (TG/DTA/DSC) with a heating rate of 10 °C/min in a static air atmosphere were used to study the
  • chloroform dispersion. TEM image of the TOPO-coated Ta2O5 nanoparticles. The scale bar corresponds to 200 nm. Thermogravimetry (TGA), differential thermal analysis (DTA) and differential scanning calorimetry (DSC) of the as-synthesized Ta2O5 nanoparticles. Solid state diffuse reflectance UV–vis spectra of
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Published 18 Jul 2014

Synthesis and electrochemical performance of Li2Co1−xMxPO4F (M = Fe, Mn) cathode materials

  • Nellie R. Khasanova,
  • Oleg A. Drozhzhin,
  • Stanislav S. Fedotov,
  • Darya A. Storozhilova,
  • Rodion V. Panin and
  • Evgeny V. Antipov

Beilstein J. Nanotechnol. 2013, 4, 860–867, doi:10.3762/bjnano.4.97

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  • , as in the case of M = Mn, to the products obtained from cryogranulates by annealing at 350 °C. The amount of residual carbon in the obtained composites was determined by thermal analysis and taken into account during the preparation of the electrodes. Mechanical grindings (180–200 rpm for 2–3 h) were
  • carried out in a Fritsch planetary micro-mill Pulverisette 7 while using a WC bowl, ZrO2 balls and acetone media. Thermal analysis was performed in the temperature range of 20–750 °C (10 °C/min heating rate) by using a thermo-gravimetric differential scanning calorimetry (TG-DSC) apparatus STA-449
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Published 09 Dec 2013

Electrospinning preparation and electrical and biological properties of ferrocene/poly(vinylpyrrolidone) composite nanofibers

  • Ji-Hong Chai and
  • Qing-Sheng Wu

Beilstein J. Nanotechnol. 2013, 4, 189–197, doi:10.3762/bjnano.4.19

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  • were determined with an X-ray diffractometer with Cu Kα radiation (k = 0.15405 nm, 40 kV, 100 mA) over the 2-theta angle range of 10–70 °C with a scanning rate of 10 °C/min. The TGA data was obtained by a DSC-STA 449C Jupiter thermal analysis instrument. About 4 mg sample in an aluminium pan was heated
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Published 14 Mar 2013

Zeolites as nanoporous, gas-sensitive materials for in situ monitoring of DeNOx-SCR

  • Thomas Simons and
  • Ulrich Simon

Beilstein J. Nanotechnol. 2012, 3, 667–673, doi:10.3762/bjnano.3.76

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  • can be measured by different measuring techniques, such as infrared (IR) spectroscopy [2], NMR spectroscopy [3], thermal analysis [4][5][6] and indicator method [7], as well as the amine titration method [8] and temperature-programmed desorption of ammonia (NH3-TPD) [9][10][11]. H-form zeolites are
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Published 26 Sep 2012

Investigation on structural, thermal, optical and sensing properties of meta-stable hexagonal MoO3 nanocrystals of one dimensional structure

  • Angamuthuraj Chithambararaj and
  • Arumugam Chandra Bose

Beilstein J. Nanotechnol. 2011, 2, 585–592, doi:10.3762/bjnano.2.62

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  • formed during the nucleation stage are composed of hexagonal unit cells which can induce anisotropic growth along the c-axis, and thus hexagonal shaped nanocrystals with 1D structure are favored [24][25]. Thermal analysis The thermal behavior was studied in detail and is depicted in Figure 8. From the TG
  • . The one-dimensional hexagonal rod structure, with regular arrangement and preferred orientation, was observed in SEM, TEM and HRTEM images. From EELS, the O-K edge and Mo-M2,3 peaks confirmed the existence of molybdenum and oxygen. From thermal analysis, the structural transformation from hexagonal to
  • were observed by thermal gravimetric (TG), differential thermal gravimetric (DTG) and differential thermal analysis (DTA). The optical properties of h-MoO3 were studied by DRS and were recorded by means of a computer controlled T90+ UV–vis spectrophotometer. A BaSO4 plate was used as a reference (100
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Published 14 Sep 2011
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