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Search for "scanning electron microscopy (SEM)" in Full Text gives 525 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Semitransparent Sb2S3 thin film solar cells by ultrasonic spray pyrolysis for use in solar windows

  • Jako S. Eensalu,
  • Atanas Katerski,
  • Erki Kärber,
  • Lothar Weinhardt,
  • Monika Blum,
  • Clemens Heske,
  • Wanli Yang,
  • Ilona Oja Acik and
  • Malle Krunks

Beilstein J. Nanotechnol. 2019, 10, 2396–2409, doi:10.3762/bjnano.10.230

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  • the I–V measurements. Surface views, by scanning electron microscopy (SEM) of 70 nm (a) and 100 nm (b) thick annealed Sb2S3 layers on a glass/ITO/TiO2 substrate. Photograph (c) of a 5 × 5 cm semitransparent (AVT 26%) stack of glass/ITO/TiO2/100 nm annealed Sb2S3, photographed by J. S. Eensalu. X-ray
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Published 06 Dec 2019

Atomic force acoustic microscopy reveals the influence of substrate stiffness and topography on cell behavior

  • Yan Liu,
  • Li Li,
  • Xing Chen,
  • Ying Wang,
  • Meng-Nan Liu,
  • Jin Yan,
  • Liang Cao,
  • Lu Wang and
  • Zuo-Bin Wang

Beilstein J. Nanotechnol. 2019, 10, 2329–2337, doi:10.3762/bjnano.10.223

Graphical Abstract
  • ], confocal microscopy, scanning electron microscopy (SEM) [12] and atomic force microscopy (AFM) [16][17] have been employed to investigate cell–substrate interactions. Fluorescence and confocal microscopy are traditional techniques to investigate the intra- and intercellular processes in biological studies
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Published 26 Nov 2019

Design of a nanostructured mucoadhesive system containing curcumin for buccal application: from physicochemical to biological aspects

  • Sabrina Barbosa de Souza Ferreira,
  • Gustavo Braga,
  • Évelin Lemos Oliveira,
  • Jéssica Bassi da Silva,
  • Hélen Cássia Rosseto,
  • Lidiane Vizioli de Castro Hoshino,
  • Mauro Luciano Baesso,
  • Wilker Caetano,
  • Craig Murdoch,
  • Helen Elizabeth Colley and
  • Marcos Luciano Bruschi

Beilstein J. Nanotechnol. 2019, 10, 2304–2328, doi:10.3762/bjnano.10.222

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  • CUR was in an internal location. Morphological analysis by scanning electron microscopy The morphological characteristics of the preparations with and without CUR were evaluated by scanning electron microscopy (SEM) (Figure 4). Micrographs of formulations containing P407 and C974P revealed polymeric
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Published 25 Nov 2019

Four self-made free surface electrospinning devices for high-throughput preparation of high-quality nanofibers

  • Yue Fang and
  • Lan Xu

Beilstein J. Nanotechnol. 2019, 10, 2261–2274, doi:10.3762/bjnano.10.218

Graphical Abstract
  • % PAN and 1 wt % SDBS was 2372 µs/cm, the working distance was 180 mm and the applied voltage was 40 kV. Characterization The morphology of the PAN nanofibers was characterized by scanning electron microscopy (SEM) (Hitachi S4800, Hitachi, Tokyo, Japan). The matrix morphology and the diameter of the
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Published 15 Nov 2019

Nontoxic pyrite iron sulfide nanocrystals as second electron acceptor in PTB7:PC71BM-based organic photovoltaic cells

  • Olivia Amargós-Reyes,
  • José-Luis Maldonado,
  • Omar Martínez-Alvarez,
  • María-Elena Nicho,
  • José Santos-Cruz,
  • Juan Nicasio-Collazo,
  • Irving Caballero-Quintana and
  • Concepción Arenas-Arrocena

Beilstein J. Nanotechnol. 2019, 10, 2238–2250, doi:10.3762/bjnano.10.216

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  • tunneling current (It) and the applied potential (U) are A = 50 nm × 50 nm, It = 500 pA and U = 450 mV. The scanning electron microscopy (SEM) image of agglomerated FeS2 NCs is shown in Figure 3b. The results verify that the sizes of the NCs lie within the nanoscale regime (about 15 to 25 nm). The energy
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Published 14 Nov 2019

Targeted therapeutic effect against the breast cancer cell line MCF-7 with a CuFe2O4/silica/cisplatin nanocomposite formulation

  • B. Rabindran Jermy,
  • Vijaya Ravinayagam,
  • Widyan A. Alamoudi,
  • Dana Almohazey,
  • Hatim Dafalla,
  • Lina Hussain Allehaibi,
  • Abdulhadi Baykal,
  • Muhammet S. Toprak and
  • Thirunavukkarasu Somanathan

Beilstein J. Nanotechnol. 2019, 10, 2217–2228, doi:10.3762/bjnano.10.214

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  • ), scanning electron microscopy (SEM) equipped with energy dispersive X-ray (EDX) spectroscopy and transmission electron microscopy (TEM) techniques. The study showed the high cisplatin release capability and targeted anticancer efficiency demonstrated in vitro in the breast cancer cell line MCF-7. Materials
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Published 12 Nov 2019

Green and scalable synthesis of nanocrystalline kuramite

  • Andrea Giaccherini,
  • Giuseppe Cucinotta,
  • Stefano Martinuzzi,
  • Enrico Berretti,
  • Werner Oberhauser,
  • Alessandro Lavacchi,
  • Giovanni Orazio Lepore,
  • Giordano Montegrossi,
  • Maurizio Romanelli,
  • Antonio De Luca,
  • Massimo Innocenti,
  • Vanni Moggi Cecchi,
  • Matteo Mannini,
  • Antonella Buccianti and
  • Francesco Di Benedetto

Beilstein J. Nanotechnol. 2019, 10, 2073–2083, doi:10.3762/bjnano.10.202

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  • . We synthesized three samples using a solvothermal approach, which was carried out under mild conditions in ethylene glycol as a green solvent. We tackled the aforementioned difficulties in phase assignment by means of thorough characterization, including X-ray diffraction (XRD), scanning electron
  • microscopy (SEM), principal component analysis (PCA) of the wavelength dispersion spectroscopy (WDS) data, X-ray absorption spectroscopy (XAS) and Raman spectroscopy. Materials and Methods Synthesis The reactants necessary for the three syntheses are: CuCl2·2H2O (Merck), ZnCl2 (Merck), SnCl2·2H2O (Riedel-de
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Published 29 Oct 2019

Incorporation of doxorubicin in different polymer nanoparticles and their anticancer activity

  • Sebastian Pieper,
  • Hannah Onafuye,
  • Dennis Mulac,
  • Jindrich Cinatl Jr.,
  • Mark N. Wass,
  • Martin Michaelis and
  • Klaus Langer

Beilstein J. Nanotechnol. 2019, 10, 2062–2072, doi:10.3762/bjnano.10.201

Graphical Abstract
  • were confirmed by scanning electron microscopy (SEM) images (Figure 2). Influence of the preparation technique on loading efficiency and drug release Loading efficiencies ranging from 25.5 ± 1.0% to 44.8 ± 5.8% of the applied doxorubicin were detected in the different nanoparticle preparations as shown
  • measured at a temperature of 22 °C using a backscattering angle of 173°. The zeta potential was determined with the same instrument and the same diluted nanoparticle suspension by laser Doppler microelectrophoresis. Scanning electron microscopy (SEM) For scanning electron microscopy (SEM), the particle
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Published 29 Oct 2019

Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides

  • Muhammad A. Zaheer,
  • David Poppitz,
  • Khavar Feyzullayeva,
  • Marianne Wenzel,
  • Jörg Matysik,
  • Radomir Ljupkovic,
  • Aleksandra Zarubica,
  • Alexander A. Karavaev,
  • Andreas Pöppl,
  • Roger Gläser and
  • Muslim Dvoyashkin

Beilstein J. Nanotechnol. 2019, 10, 2039–2061, doi:10.3762/bjnano.10.200

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  • catalysts were characterized to obtain quantitative information on properties such as crystal structure by X-ray diffraction (XRD), crystal size by laser diffraction, crystal morphology by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), pore width by N2 sorption and Hg
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Published 28 Oct 2019

Optimization and performance of nitrogen-doped carbon dots as a color conversion layer for white-LED applications

  • Tugrul Guner,
  • Hurriyet Yuce,
  • Didem Tascioglu,
  • Eren Simsek,
  • Umut Savaci,
  • Aziz Genc,
  • Servet Turan and
  • Mustafa M. Demir

Beilstein J. Nanotechnol. 2019, 10, 2004–2013, doi:10.3762/bjnano.10.197

Graphical Abstract
  • .) attached to a USB2000+ spectrometer (Ocean Optics Inc., Dunedin, FL, USA) with a premium fiber cable. A commercial blue LED chip (CREE, 450 nm, royal blue) was used as the blue light source. The morphology of the produced N-CDot fibers was analyzed by scanning electron microscopy (SEM; Quanta 250, FEI
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Published 15 Oct 2019

High-tolerance crystalline hydrogels formed from self-assembling cyclic dipeptide

  • Yongcai You,
  • Ruirui Xing,
  • Qianli Zou,
  • Feng Shi and
  • Xuehai Yan

Beilstein J. Nanotechnol. 2019, 10, 1894–1901, doi:10.3762/bjnano.10.184

Graphical Abstract
  • 3317 cm−1, indicating the formation of strong hydrogen bonds between C-WY molecules in the hydrogel (Figure 1B). Further characterization by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) was performed to inspect the morphology of the hydrogel (Figure 1C,D). The fibers in
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Published 18 Sep 2019

Charge-transfer interactions between fullerenes and a mesoporous tetrathiafulvalene-based metal–organic framework

  • Manuel Souto,
  • Joaquín Calbo,
  • Samuel Mañas-Valero,
  • Aron Walsh and
  • Guillermo Mínguez Espallargas

Beilstein J. Nanotechnol. 2019, 10, 1883–1893, doi:10.3762/bjnano.10.183

Graphical Abstract
  • needle-like morphology of C60@MUV-2 also remained similar to the one of MUV-2 as confirmed by scanning electron microscopy (SEM) (Figure S1, Supporting Information File 1). Raman and UV–vis spectroscopy Raman spectra of C60, MUV-2 and C60@MUV-2 crystals were measured using a Raman excitation wavelength
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Published 18 Sep 2019

Long-term entrapment and temperature-controlled-release of SF6 gas in metal–organic frameworks (MOFs)

  • Hana Bunzen,
  • Andreas Kalytta-Mewes,
  • Leo van Wüllen and
  • Dirk Volkmer

Beilstein J. Nanotechnol. 2019, 10, 1851–1859, doi:10.3762/bjnano.10.180

Graphical Abstract
  • , scanning electron microscopy (SEM) images of the sample (taken before and after the guest loading) did not reveal any detectable changes in the crystal surface and morphology, confirming that the MOF crystals remained intact during the loading (Supporting Information File 1, Figure S1). The presence of SF6
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Published 10 Sep 2019

Nanoarchitectonics meets cell surface engineering: shape recognition of human cells by halloysite-doped silica cell imprints

  • Elvira Rozhina,
  • Ilnur Ishmukhametov,
  • Svetlana Batasheva,
  • Farida Akhatova and
  • Rawil Fakhrullin

Beilstein J. Nanotechnol. 2019, 10, 1818–1825, doi:10.3762/bjnano.10.176

Graphical Abstract
  • within the silica shells deposited around perinuclear areas, as shown in Figure 2C. Scanning electron microscopy (SEM) was employed to investigate the morphology of the halloysite-doped and halloysite-free silica shells deposited onto HeLa cells. Suspended cells were deposited onto glass substrates
  • . Characterisation Scanning electron microscopy (SEM) imaging of samples sputter-coated with gold was performed with a Hitachi SU8000 microscope equipped with energy-dispersive X-ray (EDX) spectrometer. The interaction of cells with inorganic shapes was also recorded with an atomic-force microscope (Dimension Icon
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Published 04 Sep 2019

Biocatalytic oligomerization-induced self-assembly of crystalline cellulose oligomers into nanoribbon networks assisted by organic solvents

  • Yuuki Hata,
  • Yuka Fukaya,
  • Toshiki Sawada,
  • Masahito Nishiura and
  • Takeshi Serizawa

Beilstein J. Nanotechnol. 2019, 10, 1778–1788, doi:10.3762/bjnano.10.173

Graphical Abstract
  • chains [42]. In other words, a higher uniformity of the chain lengths leads to higher integrity of the crystals. Scanning electron microscopy (SEM) was used to uncover the nanomorphology of the gels. The images revealed a well-grown network structure composed of nanoribbon-shaped fibers (Figure 9), which
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Published 26 Aug 2019

TiO2/GO-coated functional separator to suppress polysulfide migration in lithium–sulfur batteries

  • Ning Liu,
  • Lu Wang,
  • Taizhe Tan,
  • Yan Zhao and
  • Yongguang Zhang

Beilstein J. Nanotechnol. 2019, 10, 1726–1736, doi:10.3762/bjnano.10.168

Graphical Abstract
  • structure to accommodate sulfur, but also supplies numerous adsorption and catalytic sites for the polysulfides, thus significantly improving both the specific capacity and cycling performance of Li/S batteries. Figure 3a shows a scanning electron microscopy (SEM) image of as-prepared TiO2, which has been
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Published 19 Aug 2019

Doxorubicin-loaded human serum albumin nanoparticles overcome transporter-mediated drug resistance in drug-adapted cancer cells

  • Hannah Onafuye,
  • Sebastian Pieper,
  • Dennis Mulac,
  • Jindrich Cinatl Jr.,
  • Mark N. Wass,
  • Klaus Langer and
  • Martin Michaelis

Beilstein J. Nanotechnol. 2019, 10, 1707–1715, doi:10.3762/bjnano.10.166

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  • 460 and 500 nm and polydispersity indices in the range of 0.153 and 0.213, indicating a narrow but not monodisperse size distribution (Table 1). The spherical shape and narrow size distribution of HSA nanoparticles was confirmed by scanning electron microscopy (SEM) as depicted for nanoparticles
  • nanoparticle dilutions described above were transferred into a folded capillary cell and the experiment was conducted at 22 °C. Morphological analysis of nanoparticles by scanning electron microscopy (SEM) 3 µL of diluted HAS nanoparticle suspension (0.25 mg/mL) was applied on a 0.1 µm membrane filter
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Published 14 Aug 2019

Tuning the performance of vanadium redox flow batteries by modifying the structural defects of the carbon felt electrode

  • Ditty Dixon,
  • Deepu Joseph Babu,
  • Aiswarya Bhaskar,
  • Hans-Michael Bruns,
  • Joerg J. Schneider,
  • Frieder Scheiba and
  • Helmut Ehrenberg

Beilstein J. Nanotechnol. 2019, 10, 1698–1706, doi:10.3762/bjnano.10.165

Graphical Abstract
  • scanning electron microscopy (SEM) analysis, it can be seen that the surface morphology of the fibers of both samples looked identical and thus any kind of surface roughening leading to an increase of the surface area can be ignored. This is further supported by our previous study were the BET measurements
  • were referenced to the C 1s peak of hydrocarbon at 285.0 eV binding energy, controlled by means of the well-known photoelectron peaks of metallic Cu, Ag, and Au. Scanning electron microscopy (SEM) The carbon surface fiber morphology was investigated in a Zeiss Supra 55 SEM with primary electron
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Published 13 Aug 2019

Nanoporous smartPearls for dermal application – Identification of optimal silica types and a scalable production process as prerequisites for marketed products

  • David Hespeler,
  • Sanaa El Nomeiri,
  • Jonas Kaltenbach and
  • Rainer H. Müller

Beilstein J. Nanotechnol. 2019, 10, 1666–1678, doi:10.3762/bjnano.10.162

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  • = 2–60°) was applied and the goniometer was equipped with a Cu anode (Cu Kα, λ= 0.15406 nm) at a voltage of 40 kV and current of 35 mA. Light microscopy (LM) and scanning electron microscopy (SEM) Light microscope imaging was performed using a Motic microscope (BA210, Motic Deutschland GmbH, Germany
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Published 08 Aug 2019

Chiral nanostructures self-assembled from nitrocinnamic amide amphiphiles: substituent and solvent effects

  • Hejin Jiang,
  • Huahua Fan,
  • Yuqian Jiang,
  • Li Zhang and
  • Minghua Liu

Beilstein J. Nanotechnol. 2019, 10, 1608–1617, doi:10.3762/bjnano.10.156

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  • 4NCLG assemblies in ethanol was analyzed by scanning electron microscopy (SEM). Figure 2 shows the detailed SEM images of the self-assembled structures. Upon SEM observation, 2NCLG self-assembled into a right-handed helical nanofiber with a helical pitch of about 250 nm and a width of approximately 70
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Published 05 Aug 2019

High-temperature resistive gas sensors based on ZnO/SiC nanocomposites

  • Vadim B. Platonov,
  • Marina N. Rumyantseva,
  • Alexander S. Frolov,
  • Alexey D. Yapryntsev and
  • Alexander M. Gaskov

Beilstein J. Nanotechnol. 2019, 10, 1537–1547, doi:10.3762/bjnano.10.151

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  • the components in a single homogeneous paste with subsequent thermal annealing. The composition and microstructure of the materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy
  • Experimental part. The characteristics of the synthesized materials are summarized in Table 1. Figure 2 shows the scanning electron microscopy (SEM) micrographs of SiC (Figure 2a,c) and ZnO (Figure 2b,d) nanofibers in a polymer matrix (Figure 2a,b) and after annealing (Figure 2c,d). The polymeric fibers
  • –Halenda) models. The morphology of the nanofibers was studied by scanning electron microscopy (SEM) using a Carl Zeiss NVision 40 electron microscope with an intra-lens detector at an accelerating voltage of 5 kV. The IR spectra (FTIR) of the ZnO/SiC nanocomposites were taken on a Spectrum One (Perkin
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Published 26 Jul 2019

Development of a new hybrid approach combining AFM and SEM for the nanoparticle dimensional metrology

  • Loïc Crouzier,
  • Alexandra Delvallée,
  • Sébastien Ducourtieux,
  • Laurent Devoille,
  • Guillaume Noircler,
  • Christian Ulysse,
  • Olivier Taché,
  • Elodie Barruet,
  • Christophe Tromas and
  • Nicolas Feltin

Beilstein J. Nanotechnol. 2019, 10, 1523–1536, doi:10.3762/bjnano.10.150

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  • proposes a new approach of hybrid metrology taking advantage of the complementary nature of atomic force microscopy (AFM) and scanning electron microscopy (SEM) techniques for measuring the main characteristic parameters of nanoparticle (NP) dimensions in 3D. The NP area equivalent, the minimal and the
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Published 26 Jul 2019

Rapid thermal annealing for high-quality ITO thin films deposited by radio-frequency magnetron sputtering

  • Petronela Prepelita,
  • Ionel Stavarache,
  • Doina Craciun,
  • Florin Garoi,
  • Catalin Negrila,
  • Beatrice Gabriela Sbarcea and
  • Valentin Craciun

Beilstein J. Nanotechnol. 2019, 10, 1511–1522, doi:10.3762/bjnano.10.149

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  • predefined thickness values. Scanning electron microscopy (SEM) investigations (FEI Quanta) were performed to observe the structures and morphology of the deposited surfaces. Given that the thickness of the quartz substrate is much greater than that of the ITO conductive film, a thin layer of gold was
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Published 25 Jul 2019

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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  • -like material by filtration of the mixture on top of a filter. The self-assembled material was denoted as MoS2-based composite paper. A picture of the composite paper is shown in Figure 1. We investigated the morphology of this compound material by scanning electron microscopy (SEM) with results shown
  • electron microscopy (SEM) with a FEG electron source (Tescan Lyra dual beam microscope). The elemental composition and mapping were performed using an energy dispersive spectroscopy (EDS) analyzer (X-MaxN) with a 20 mm2 SDD detector (Oxford Instruments) and AZtecEnergy software. A 10 kV beam was used for
  • mV·s−1. For the n-butyllithium treated sample, the foil was left in n-butyllithium solution (2.5 M solution) for several days under inert Ar atmosphere. After that, water was added to the solution. The foil was then dried and used. Characterization The morphology was investigated using scanning
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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

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  • electrocatalysts. The bottom-up synthesis of these nanocomposites was monitored using scanning electron microscopy (SEM) and Raman spectroscopy, and it is demonstrated that the hierarchical structures can be tuned with respect to thickness, length, and density of the CNTs. The activity of the Pt-CNT/CNT/GC
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Published 24 Jul 2019
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