Multicomponent bionanocomposites based on clay nanoarchitectures for electrochemical devices

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

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Published 25 Jun 2019

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1. Figure 1: Schematic representation of the different components integrated in the bionanocomposite materials, ...
  
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2. Figure 2: Photographs of dispersions of 1 wt % of a multicomponent bionanocomposite (composition of sample Fi...
  
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3. Figure 3: Schematic representation of particle assembly in the multicomponent bionanocomposites: A) cross sec...
  
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4. Figure 4: Young’s moduli and electrical conductivity of HNTs/SEP/GNPs/MWCNTs/CHI films (A, C) and foams (B, D...
  
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5. Figure 5: A) Scheme of an EBC (left) and a biosensor (right) with the electrode microstructure and biocatalyt...
  
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Beilstein J. Nanotechnol. 2019, 10, 1303–1315, doi:10.3762/bjnano.10.129

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Fabrication of phase masks from amorphous carbon thin films for electron-beam shaping

Lukas Grünewald,
Dagmar Gerthsen and
Simon Hettler

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Published 25 Jun 2019

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1. Figure 1: Samples after optical lithography and etching. (a) Scheme of side view of a single membrane. The sk...
  
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2. Figure 2: The fabrication steps to fabricate aC thin films are schematically shown for the two applied method...
  
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3. Figure 3: SEM images of (a) FIB-prepared and (b) floated aC thin films reveal a smoother surface for the latt...
  
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4. Figure 4: SEM images after structuring the pattern according to Equation 3 with k_ρ = 10 µm⁻¹ for (a) a FIB-prepared and...
  
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5. Figure 5: Top-view SEM images of (a) a sinusoidal and (b) a saw-tooth-shaped holographic PM for the generatio...
  
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6. Figure 6: TEM images in LM mode of a PM placed in the object plane are shown in (a) to (c). (a) The image of ...
  
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7. Figure 7: (a) Intensity in the center of a BB I_C plotted as a function of the C2 lens current. The curve is r...
  
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8. Figure 8: (a) Generated VBs in the object plane of a Philips CM200 for the sinusoidal and saw-tooth pattern, ...
  
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Beilstein J. Nanotechnol. 2019, 10, 1290–1302, doi:10.3762/bjnano.10.128

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On the relaxation time of interacting superparamagnetic nanoparticles and implications for magnetic fluid hyperthermia

Andrei Kuncser,
Nicusor Iacob and
Victor E. Kuncser

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Published 24 Jun 2019

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1. Figure 1: (a) Red open circles – adiabatic curve obtained by a proper experimental methodology in the case of...
  
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2. Figure 2: The specific geometry of magnetic nanoparticles in the micromagnetic simulations. Different configu...
  
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3. Figure 3: Demagnetization energy profiles and anisotropy energy barriers for MNP P1, for low and high volume ...
  
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4. Figure 4: Temporal evolution of normalized magnetization along the Ox axis for particle P1 within a high volu...
  
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5. Figure 5: Relaxation time constant (a) and anisotropy energy barrier (b) of an inner MNP versus the volume fr...
  
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Beilstein J. Nanotechnol. 2019, 10, 1280–1289, doi:10.3762/bjnano.10.127

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A silver-nanoparticle/cellulose-nanofiber composite as a highly effective substrate for surface-enhanced Raman spectroscopy

Yongxin Lu,
Yan Luo,
Zehao Lin and
Jianguo Huang

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Published 24 Jun 2019

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1. Figure 1: FE-SEM micrographs of the paper-based SERS substrates Ag-NP/cellulose-NF–A (a,b), B (c,d), C (e,f),...
  
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2. Figure 2: TEM image of Ag-NP/cellulose-NF–C (a), and HR-TEM image of an individual silver nanoparticle showin...
  
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3. Figure 3: X-ray diffraction patterns (a) and diffuse reflectance UV–vis spectra (b) of Ag-NP/cellulose-NF–A, ...
  
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4. Figure 4: SERS spectra of Rhodamine 6G (R6G) at different concentrations obtained by employing Ag-NP/cellulos...
  
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5. Figure 5: Electric field intensity distributions (indicated by the color bar) of the silver nanoparticles (di...
  
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6. Figure 6: SERS spectra of adenosine and thymidine (both 10 µM), and the surface mixture of adenosine and thym...
  
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Beilstein J. Nanotechnol. 2019, 10, 1270–1279, doi:10.3762/bjnano.10.126

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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

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Published 21 Jun 2019

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1. Figure 1: HRTEM micrographs of: a) CNTs; b) N-CNTs; c) S-CNTs, and d) N-CNTs_HT. (Scale bar = 10 nm).
  
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2. Figure 2: Evolution of the I_D/I_G ratio (from Raman spectroscopy) and the percent of surface heteroatoms (from...
  
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3. Figure 3: TEM micrographs of: a) Pt₃Co/N-CNT; b) Pt₃Co/N-CNT_HT; c) Pt₃Co/S-CNT; d) Pt₃Ni/N-CNT; e) Pt₃Ni/N-CNT...
  
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4. Figure 4: CVs from an RRDE experiment for the catalysts in 0.5 M H₂SO₄ at 5 mV·s⁻¹ under N₂ at 25 °C for a) t...
  
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5. Figure 5: Percentage of H₂O₂ formation during O₂ reduction of the a) Pt₃Co and b) Pt₃Ni catalysts.
  
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6. Figure 6: HRTEM images of a) Co/N-CNT and c) Ni/N-CNT_HT; and STEM-HAADF images of b) Co/N-CNT and d) Ni/N-CNT...
  
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7. Figure 7: HRTEM images of a) Pt₃Co/N-CNT and c) Pt₃Ni/N-CNT_HT, and STEM-HAADF images of b) Pt₃Co/N-CNT and d)...
  
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8. Figure 8: WAXS analysis – red: experimental PDF from a) Pt₃Co/N-CNT and b) Pt₃Ni/N-CNT_HT, green: simulation f...
  
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9. Figure 9: a) HRTEM images of Pt₃Co/N-CNT and b) STEM-HAADF image of Pt₃Co/N-CNT after washing with EDTA.
  
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10. Figure 10: Polarization of Pt₃Co/CB (red); Pt₃Co/N-CNT (dark blue); Pt₃Co/N-CNT_HT (light blue) and Pt₃Ni/N-CNT...
  
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11. Figure 11: Polarization of Pt₃Co/CB (red), unwashed Pt₃Co/N-CNT (dark blue) and unwashed Pt₃Ni/N-CNT_HT (green)...
  
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12. Figure 12: SEM micrographs of MEA sections prepared with Pt₃Co/CB at 0.3 mg_Pt·cm⁻² and Pt₃Co/CNT-N at 0.25 mg_Pt...
  
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13. Figure 13: Polarization curves performed on MEAs integrating: a) Pt₃Co/CB; and b) Pt₃Co/N-CNT. Dark blue: afte...
  
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Beilstein J. Nanotechnol. 2019, 10, 1251–1269, doi:10.3762/bjnano.10.125

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Molecular attachment to a microscope tip: inelastic tunneling, Kondo screening, and thermopower

Rouzhaji Tuerhong,
Mauro Boero and
Jean-Pierre Bucher

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Published 19 Jun 2019

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1. Figure 1: (a) STM image of MnPc molecules on the Au(111) surface (0.3 nA, −0.25 V). (b) STM image of the bare...
  
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2. Figure 2: (a) STM image (0.3 nA, −0.3 V). (b) dI/dV spectrum of a flat-lying MnPc molecule on the Au(111) sur...
  
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3. Figure 3: (a) Schematic view of the STM junction; the tip temperature T_t = 4.5 K is kept constant during the ...
  
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4. Figure 4: dI/dV spectra of the MnPc molecular junction with (a) decreasing and then (b) increasing gap resist...
  
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Beilstein J. Nanotechnol. 2019, 10, 1243–1250, doi:10.3762/bjnano.10.124

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Luminescence of Tb₃Al₅O₁₂ phosphors co-doped with Ce³⁺/Gd³⁺ for white light-emitting diodes

Yu-Guo Yang,
Lei Wei,
Jian-Hua Xu,
Hua-Jian Yu,
Yan-Yan Hu,
Hua-Di Zhang,
Xu-Ping Wang,
Bing Liu,
Cong Zhang and
Qing-Gang Li

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Published 14 Jun 2019

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1. Figure 1: XRD patterns of Tb_2.96−_xCe_0.04Gd_xAl₅O₁₂ phosphors.
  
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2. Figure 2: Excitation spectra of Tb_2.96−_xCe_0.04Gd_xAl₅O₁₂ phosphors.
  
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3. Figure 3: Emission spectra of Tb_2.96−_xCe_0.04Gd_xAl₅O₁₂ phosphors.
  
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4. Figure 4: Decay curves of the Ce³⁺ emission from Tb_2.96−_xCe_0.04Gd_xAl₅O₁₂ phosphors.
  
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5. Figure 5: Emission spectra of Tb_2.81Ce_0.04Gd_0.15Al₅O₁₂ at different temperatures.
  
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6. Figure 6: Electroluminescence spectra of WLEDs by combining blue LED chip with Y_2.96Ce_0.04Al₅O₁₂ (A), Tb_2.96Ce...
  
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7. Figure 7: Electroluminescence spectra of a WLED with Tb_2.81Ce_0.04Gd_0.15Al₅O₁₂ phsphor under different forward...
  
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Beilstein J. Nanotechnol. 2019, 10, 1237–1242, doi:10.3762/bjnano.10.123

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Imaging the surface potential at the steps on the rutile TiO₂(110) surface by Kelvin probe force microscopy

Masato Miyazaki,
Huan Fei Wen,
Quanzhen Zhang,
Yuuki Adachi,
Jan Brndiar,
Ivan Štich,
Yan Jun Li and
Yasuhiro Sugawara

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Published 13 Jun 2019

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1. Figure 1: Ball model of TiO₂(110)-(1 × 1) surface with two step structures of and .
  
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2. Figure 2: AFM/KPFM images (70 × 70 nm²) of the TiO₂(110) surface after O₂ exposure. (a) Topographic image and...
  
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3. Figure 3: AFM/KPFM images (40 × 40 nm²) of TiO₂ after O₂ exposure, showing and steps. (a) Topographic image...
  
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4. Figure 4: Schematic model for interpreting the local surface potential at the steps that combines the upward ...
  
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5. Figure 5: DFT simulation of the local electrostatic potential for the a) , b) , c) reduced , and d) steps. B...
  
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Beilstein J. Nanotechnol. 2019, 10, 1228–1236, doi:10.3762/bjnano.10.122

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Playing with covalent triazine framework tiles for improved CO₂ adsorption properties and catalytic performance

Giulia Tuci,
Andree Iemhoff,
Housseinou Ba,
Lapo Luconi,
Andrea Rossin,
Vasiliki Papaefthimiou,
Regina Palkovits,
Jens Artz,
Cuong Pham-Huu and
Giuliano Giambastiani

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Published 12 Jun 2019

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1. Scheme 1: Idealized ionothermal synthesis of CTF1–5 from 1,4-dicyanobenzene (p-DCB, I), 4,4′-dicyanobiphenyl ...
  
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2. Figure 1: Low-pressure CO₂ isotherms for CTF1 (red), CTF2 (black), CTF3 (grey), CTF4 (blue) and CTF5 (green) ...
  
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3. Figure 2: A) DDH of EB with CTF3 (filled grey spheres), CTF4 (filled blue spheres), and CTF5 (filled green sp...
  
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Beilstein J. Nanotechnol. 2019, 10, 1217–1227, doi:10.3762/bjnano.10.121

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Angle-dependent structural colors in a nanoscale-grating photonic crystal fabricated by reverse nanoimprint technology

Xu Zheng,
Qing Wang,
Jinjin Luan,
Yao Li,
Ning Wang and
Rui Zhang

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Published 11 Jun 2019

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1. Figure 1: The SEM images of the fabricated photonic crystal film. (a) Top view, (b) cross-sectional view.
  
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2. Figure 2: (a) Schematic diagram of the observation angles. (b) Photonic crystal structural color for horizont...
  
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3. Figure 3: The relationship between horizontal observation angle and structural colors of the photonic crystal...
  
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4. Figure 4: The relationship between vertical observation angle and structural color of the photonic crystal. (...
  
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5. Figure 5: The three-dimensional function of the reflection wavelength peak and observation angle.
  
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6. Figure 6: (a) Reflection wavelength peak as a function of the horizontal observation angle under a vertical o...
  
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Beilstein J. Nanotechnol. 2019, 10, 1211–1216, doi:10.3762/bjnano.10.120

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