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Search for "thermal properties" in Full Text gives 61 result(s) in Beilstein Journal of Nanotechnology.

Graphene–graphite hybrid epoxy composites with controllable workability for thermal management

  • Idan Levy,
  • Eyal Merary Wormser,
  • Maxim Varenik,
  • Matat Buzaglo,
  • Roey Nadiv and
  • Oren Regev

Beilstein J. Nanotechnol. 2019, 10, 95–104, doi:10.3762/bjnano.10.9

Graphical Abstract
  • facilitate the optimal design of materials for thermal management, we constructed a ‘concentration–thermal conductivity–viscosity phase diagram’. This hybrid approach thus offers solutions for thermal management applications, providing both finely tuned composite thermal properties and workability. We
  • demonstrate the utility of this approach by fabricating a thermal interface material with tunable workability and testing it in a model electronic device. Keywords: hybrid composites; nanocomposites; rheology; thermal interface material; thermal properties; Introduction Modern-day miniaturization of
  • carbon. Therefore, a carbon-based composite is an attractive alternative for the production of miniature electronic devices with specific thermal properties. An important consideration in the design of filler materials is the possibility that the TC of the TIM could be degraded over time, particularly as
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Published 08 Jan 2019

Co-intercalated layered double hydroxides as thermal and photo-oxidation stabilizers for polypropylene

  • Qian Zhang,
  • Qiyu Gu,
  • Fabrice Leroux,
  • Pinggui Tang,
  • Dianqing Li and
  • Yongjun Feng

Beilstein J. Nanotechnol. 2018, 9, 2980–2988, doi:10.3762/bjnano.9.277

Graphical Abstract
  • be used to slightly tune the thermal properties of the LDH/PP composites. Figure 8d displays the photo-oxidation degradation of HnMn′-Ca2Al/PP composite films under UV irradiation. The integrated area in the range of 1810–1660 cm−1 for all samples becomes larger with increasing UV exposure time. In
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Published 05 Dec 2018

Time-resolved universal temperature measurements using NaYF4:Er3+,Yb3+ upconverting nanoparticles in an electrospray jet

  • Kristina Shrestha,
  • Arwa A. Alaulamie,
  • Ali Rafiei Miandashti and
  • Hugh H. Richardson

Beilstein J. Nanotechnol. 2018, 9, 2916–2924, doi:10.3762/bjnano.9.270

Graphical Abstract
  • temperature is determined by measuring the ratio of two green photoluminescence bands where the relative intensities are temperature-dependent and related by a Boltzmann factor. We used this thermal sensor to probe the thermal properties at a solid–water interface and found that a nanoscale object optically
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Published 21 Nov 2018

Nanocellulose: Recent advances and its prospects in environmental remediation

  • Katrina Pui Yee Shak,
  • Yean Ling Pang and
  • Shee Keat Mah

Beilstein J. Nanotechnol. 2018, 9, 2479–2498, doi:10.3762/bjnano.9.232

Graphical Abstract
  • nanostructured composites have emerged as new types of photocatalysts with remarkable optical, electrical, mechanical, and thermal properties. The gravitation from petrochemical-based feedstock to environmentally friendly biomaterials such as cellulose-based materials is making headway for a cleaner and more
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Published 19 Sep 2018

Electrospun one-dimensional nanostructures: a new horizon for gas sensing materials

  • Muhammad Imran,
  • Nunzio Motta and
  • Mahnaz Shafiei

Beilstein J. Nanotechnol. 2018, 9, 2128–2170, doi:10.3762/bjnano.9.202

Graphical Abstract
  • reinforced with GO show better mechanical, electrical and thermal properties than the fibers without GO. These graphene-based composite electrospun fibers have been used for biosensor applications [65][68]. Hybrid nanofibers with various morphologies, including mixed nanocomposite, dual-layer, core–shell and
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Published 13 Aug 2018

Synthesis and characterization of two new TiO2-containing benzothiazole-based imine composites for organic device applications

  • Anna Różycka,
  • Agnieszka Iwan,
  • Krzysztof Artur Bogdanowicz,
  • Michal Filapek,
  • Natalia Górska,
  • Damian Pociecha,
  • Marek Malinowski,
  • Patryk Fryń,
  • Agnieszka Hreniak,
  • Jakub Rysz,
  • Paweł Dąbczyński and
  • Monika Marzec

Beilstein J. Nanotechnol. 2018, 9, 721–739, doi:10.3762/bjnano.9.67

Graphical Abstract
  • this study TiO2 nanoparticles were used to modify the behavior of new, symmetrical and asymmetrical imines in order to investigate the electrochemical, structural and thermal properties of the imine:TiO2 composites with respect to the time stability under various air conditions and the amount of TiO2
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Published 26 Feb 2018

Cyclodextrin-assisted synthesis of tailored mesoporous silica nanoparticles

  • Fuat Topuz and
  • Tamer Uyar

Beilstein J. Nanotechnol. 2018, 9, 693–703, doi:10.3762/bjnano.9.64

Graphical Abstract
  • , chemical analysis by FTIR and solid state 13C NMR, thermal properties and composition by TGA, and pore structure by WAXS. Results and Discussion Figure 2 shows the silica particles produced at β-CD concentrations of 0.5 and 1% (w/v) and constant tetraethoxysilane (TEOS) concentration of 1% (v/v). At these
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Published 22 Feb 2018

Review: Electrostatically actuated nanobeam-based nanoelectromechanical switches – materials solutions and operational conditions

  • Liga Jasulaneca,
  • Jelena Kosmaca,
  • Raimonds Meija,
  • Jana Andzane and
  • Donats Erts

Beilstein J. Nanotechnol. 2018, 9, 271–300, doi:10.3762/bjnano.9.29

Graphical Abstract
  • materials belong to different classes, their mechanical, electrical and thermal properties vary in a relatively narrow range (Figure 13). Typically, they can withstand high temperatures of at least 800 °C and are characterized by a Young’s modulus of hundreds of GPa and have an electrical conductivity above
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Published 25 Jan 2018

Combined scanning probe electronic and thermal characterization of an indium arsenide nanowire

  • Tino Wagner,
  • Fabian Menges,
  • Heike Riel,
  • Bernd Gotsmann and
  • Andreas Stemmer

Beilstein J. Nanotechnol. 2018, 9, 129–136, doi:10.3762/bjnano.9.15

Graphical Abstract
  • . Keywords: contact resistance; Kelvin probe force microscopy (KFM); nanowire; scanning thermal microscopy (SThM); self-heating; Introduction Electronic and thermal properties of nanoscale devices are innately coupled. The charge carriers in most conductors release energy by scattering at defects or phonons
  • need for characterization techniques able to map both electronic and thermal properties down to the relevant length scales in operating devices. Unlike optical techniques that are limited by diffraction to a resolution of several hundred nanometres, scanning probe methods rely on the interaction of a
  • and thermal properties of individual junctions. Combined experiments on silicon nanowires have been attempted before, but the results and analysis remained qualitative [30]. Here, we have shown that experimental KFM and SThM methods in fact can be used to obtain quantitative models, if parasitic
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Published 11 Jan 2018

Laser processing of thin-film multilayer structures: comparison between a 3D thermal model and experimental results

  • Babak B. Naghshine and
  • Amirkianoosh Kiani

Beilstein J. Nanotechnol. 2017, 8, 1749–1759, doi:10.3762/bjnano.8.176

Graphical Abstract
  • structure. In this model, the physical and thermal properties are assumed to be a function of temperature and space; plasma shielding and phase change are taken into account. The temperature field and ablated area will be for Si substrates that are coated with different thin-film layers at various laser
  • (Equation 1) is solved for a cubic domain considering varying thermal properties that are a function of temperature. This domain is discretized into interactive cubic cells, which can become smaller or be taken out of the system during the ablation process. This equation was discretized and solved using the
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Published 24 Aug 2017

Miniemulsion copolymerization of (meth)acrylates in the presence of functionalized multiwalled carbon nanotubes for reinforced coating applications

  • Bertha T. Pérez-Martínez,
  • Lorena Farías-Cepeda,
  • Víctor M. Ovando-Medina,
  • José M. Asua,
  • Lucero Rosales-Marines and
  • Radmila Tomovska

Beilstein J. Nanotechnol. 2017, 8, 1328–1337, doi:10.3762/bjnano.8.134

Graphical Abstract
  • of CNTs, they are considered to be an advanced material that may be useful for multiple applications, one of which is polymer composite synthesis [1][2][3][4]. By inclusion of CNTs in polymer matrices, nanostructured materials with improved mechanical, electrical and thermal properties may be
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Published 27 Jun 2017

Fabrication of hierarchically porous TiO2 nanofibers by microemulsion electrospinning and their application as anode material for lithium-ion batteries

  • Jin Zhang,
  • Yibing Cai,
  • Xuebin Hou,
  • Xiaofei Song,
  • Pengfei Lv,
  • Huimin Zhou and
  • Qufu Wei

Beilstein J. Nanotechnol. 2017, 8, 1297–1306, doi:10.3762/bjnano.8.131

Graphical Abstract
  • constant current density of 40 mA·g−1 in the voltage range of 0.01–3.0 V (vs Li+/Li). The cyclic voltammetry curves were tested at a scanning rate of 0.1 mV/s over the voltage range of 0.01–3.0 V (vs Li+/Li) with a CHI660e electrochemical workstation. Results and Discussion Thermal properties and
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Published 22 Jun 2017

Fully scalable one-pot method for the production of phosphonic graphene derivatives

  • Kamila Żelechowska,
  • Marta Prześniak-Welenc,
  • Marcin Łapiński,
  • Izabela Kondratowicz and
  • Tadeusz Miruszewski

Beilstein J. Nanotechnol. 2017, 8, 1094–1103, doi:10.3762/bjnano.8.111

Graphical Abstract
  • temperature range of 300–900 °C is similar for both samples, showing that after detachment of functional groups a similar decomposition of carbonaceous material occurs. The DSC analysis also revealed differences in thermal properties of the studied samples. The DSC profile of GO and functionalized GO is not
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Published 18 May 2017

Structural properties and thermal stability of cobalt- and chromium-doped α-MnO2 nanorods

  • Romana Cerc Korošec,
  • Polona Umek,
  • Alexandre Gloter,
  • Jana Padežnik Gomilšek and
  • Peter Bukovec

Beilstein J. Nanotechnol. 2017, 8, 1032–1042, doi:10.3762/bjnano.8.104

Graphical Abstract
  • produces materials with novel morphologies and enhanced catalytic properties [14][15]. The 2 × 2 tunnel structures, prepared by different methods, showed different thermal properties that depend on the average oxidation state of manganese, the type and content of cations situated in the tunnels, and also
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Published 10 May 2017

Vapor-phase-synthesized fluoroacrylate polymer thin films: thermal stability and structural properties

  • Paul Christian and
  • Anna Maria Coclite

Beilstein J. Nanotechnol. 2017, 8, 933–942, doi:10.3762/bjnano.8.95

Graphical Abstract
  • suggests that the disordered regions between the layers strongly impact the thermal properties. Possibly, this mixture of amorphous and liquid–crystalline film portions leads to a thermal mismatch, causing the rupture formation noticed within the film. Above 110 °C, the thermal expansion coefficient of p
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Published 26 Apr 2017

Development of adsorptive membranes by confinement of activated biochar into electrospun nanofibers

  • Mehrdad Taheran,
  • Mitra Naghdi,
  • Satinder K. Brar,
  • Emile Knystautas,
  • Mausam Verma,
  • Rao. Y. Surampalli and
  • Jose. R. Valero

Beilstein J. Nanotechnol. 2016, 7, 1556–1563, doi:10.3762/bjnano.7.149

Graphical Abstract
  • incorporated into PAN NFM for the first time to take advantages of both systems. For this purpose, different concentrations of activated biochar (0–2%, w/w) were added into a polymeric solution and the morphological, chemical and thermal properties were characterized. Also, the performance of fabricated
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Published 01 Nov 2016

Photothermal effect of gold nanostar patterns inkjet-printed on coated paper substrates with different permeability

  • Mykola Borzenkov,
  • Anni Määttänen,
  • Petri Ihalainen,
  • Maddalena Collini,
  • Elisa Cabrini,
  • Giacomo Dacarro,
  • Piersandro Pallavicini and
  • Giuseppe Chirico

Beilstein J. Nanotechnol. 2016, 7, 1480–1485, doi:10.3762/bjnano.7.140

Graphical Abstract
  • printing because of their conductive and thermal properties [1][8]. Within the existing types of metal nanoparticles, the beneficial properties of gold, such as good biocompatibility, excellent resistance to oxidation and acids, and high affinity to thiol containing biomolecules promote the applicability
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Published 19 Oct 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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Published 12 Aug 2016

Charge and heat transport in soft nanosystems in the presence of time-dependent perturbations

  • Alberto Nocera,
  • Carmine Antonio Perroni,
  • Vincenzo Marigliano Ramaglia and
  • Vittorio Cataudella

Beilstein J. Nanotechnol. 2016, 7, 439–464, doi:10.3762/bjnano.7.39

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Published 18 Mar 2016

Synthesis and applications of carbon nanomaterials for energy generation and storage

  • Marco Notarianni,
  • Jinzhang Liu,
  • Kristy Vernon and
  • Nunzio Motta

Beilstein J. Nanotechnol. 2016, 7, 149–196, doi:10.3762/bjnano.7.17

Graphical Abstract
  • the discovery of CNTs, scientists have made great progress in the experimental and theoretical study of their mechanical, electrical and thermal properties. CNTs exhibit remarkable properties including: Tensile strength of at least 37 GPa and strain to failure of at least 6% [38][39] Young’s modulus
  • electrical, mechanical and thermal properties, CNTs are not the only carbon nanomaterial that could play a major role in replacing conventional materials for energy generation and storage devices. In particular, the discovery of the electrical properties of graphene, another allotrope carbon, by Geim
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Published 01 Feb 2016

Development of a novel nanoindentation technique by utilizing a dual-probe AFM system

  • Eyup Cinar,
  • Ferat Sahin and
  • Dalia Yablon

Beilstein J. Nanotechnol. 2015, 6, 2015–2027, doi:10.3762/bjnano.6.205

Graphical Abstract
  • be used as a voltage source and the fourth probe can be used to measure the current. In this way, electrical nano-characterization of the sample can be performed on-line during nanoindentation. Furthermore, thermoresistive probes can be integrated into the approach to monitor the thermal properties
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Published 12 Oct 2015

Simulation of thermal stress and buckling instability in Si/Ge and Ge/Si core/shell nanowires

  • Suvankar Das,
  • Amitava Moitra,
  • Mishreyee Bhattacharya and
  • Amlan Dutta

Beilstein J. Nanotechnol. 2015, 6, 1970–1977, doi:10.3762/bjnano.6.201

Graphical Abstract
  • been widely adopted for incorporating the quantum effects in classical MD simulations dealing with the measurement of thermal properties such as thermal conductivity [31] and the coefficient of thermal expansion [32][33]. In this method, a system with N atoms produces the 3N × 3N dynamical matrix, as
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Published 02 Oct 2015

Possibilities and limitations of advanced transmission electron microscopy for carbon-based nanomaterials

  • Xiaoxing Ke,
  • Carla Bittencourt and
  • Gustaaf Van Tendeloo

Beilstein J. Nanotechnol. 2015, 6, 1541–1557, doi:10.3762/bjnano.6.158

Graphical Abstract
  • paired to form 5–7 pairs or even 5–8 pairs [28][43] as demonstrated in Figure 4a,b. The imaging with AC-TEM confirms the presence of these defects in graphene, and provides evidence for the variations in its electronic properties, mechanical properties and thermal properties [61]. An example is shown in
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Published 16 Jul 2015

Thermal energy storage – overview and specific insight into nitrate salts for sensible and latent heat storage

  • Nicole Pfleger,
  • Thomas Bauer,
  • Claudia Martin,
  • Markus Eck and
  • Antje Wörner

Beilstein J. Nanotechnol. 2015, 6, 1487–1497, doi:10.3762/bjnano.6.154

Graphical Abstract
  • consumption. This review focuses mainly on material aspects of alkali nitrate salts. They include thermal properties, thermal decomposition processes as well as a new method to develop optimized salt systems. Keywords: eutectic mixture; molten salt; nitrate; phase change material; thermal decomposition
  • candidates. However experience with oxyanion salts and halogen salts is currently limited to theoretical studies [1][2]. Physico-chemical properties: thermal properties Characterization of thermal energy storage in molten salts requires data of salt properties in the liquid phase. For sensible storage media
  • various types of thermal energy storage materials and concepts. At the time of writing, in the field of concentrated power applications (CSP), molten nitrate salts (predominantly a mixture of 60 wt % NaNO3 and 40% KNO3, so called “Solar Salt”) are used exclusively. Concerning the thermal properties of
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Published 09 Jul 2015

Electron and heat transport in porphyrin-based single-molecule transistors with electro-burnt graphene electrodes

  • Hatef Sadeghi,
  • Sara Sangtarash and
  • Colin J. Lambert

Beilstein J. Nanotechnol. 2015, 6, 1413–1420, doi:10.3762/bjnano.6.146

Graphical Abstract
  • voltage and kB = 8.6 × 10−5 eV/K is Boltzmann’s constant. Under nonequilibrium conditions, the Ids–Vds characteristic could be calculated from the voltage-dependent transmission, T(E,Vds), as where the fS,D are the electrochemical potential in the drain and source. Thermal properties: In a similar manner
  • as described in [29][30], the thermal properties of a given device could be calculated from the transmission coefficient, T(E). The thermopower (S) and electronic contribution in thermal conductance (κe) as a function of the temperature (T) can be written as: where . Porphyrin SET molecular structure
  • T(E) using Hückel parameters, (c) drain source current (Ids) as a function of the drain source (bias) voltage (Vds) and (d) drain source current as a function of the gate voltage (Vg). Thermal properties of the PM–EBG device. Thermopower (blue) and thermal conductance (green) as a function of the (a
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Published 26 Jun 2015
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