7 article(s) from Leroux, Fabrice
- Full Research Paper
- Published 25 Mar 2019
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Figure 1: Dye molecules used for the preparation of the organic phosphor film.
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Figure 2: (a) Normalized emission spectra of blue LED light and selected dyes in ethanol solution: DCM and HP...
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Figure 3: (a) SEM image, (b) XRD pattern and (c) TGA/DTA of zinc hydroxyacetate single-layered hydroxide.
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Figure 4: Photoluminescence excitation spectra. Absolute quantum yield (QYab) as a function of the excitation...
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Figure 5: Photographs of (a) DCM- and (b) HPTS-based hybrid materials in the wet mixture containing pre-forme...
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Figure 6: Emission spectra of the silicon films containing: (a) DCM, (b) HPTS, (c) HPTS over DCM and (d) DCM ...
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Figure 7: CIE chromaticity diagrams of films containing (a) DCM, (b) HPTS, (c) HPTS over DCM and (d) DCM over...
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Figure 8: R-values charts for films containing: (a) DCM, (b) HPTS, (c) HPTS over DCM and (d) DCM over HPTS; m...
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- Full Research Paper
- Published 12 Mar 2019
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Figure 1: XRD patterns of Mg2Al hybrids: a) LDH/nitrate, b) LDH/HIS and c) LDH/PHE. The ticks under the peaks...
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Figure 2: a) Structural model for Mg2Al/HIS, b) molecular structure of L-histidine, dimensions and correspond...
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Figure 3: a) Structural model for Mg2Al/PHE, b) molecular structure of L-phenylalanine, dimensions and surfac...
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Figure 4: FTIR spectra of organo-modified Mg2Al hybrids: (a) LDH/HIS, (c) LDH/PHE and pristine amino acids: (...
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Figure 5: Diffuse reflectance UV–vis spectra (Kubelka–Munk functions) of Mg2Al LDHs.
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Figure 6: XRD patterns of PBS nanocomposites with 5 wt % Mg2Al LDH fillers.
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Figure 7: Cole–Cole plots of PBS and PBS nanocomposites with Mg2Al LDH (a), zoom region (b).
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Figure 8: E’ and tan δ as a function of temperature for PBS and PBS nanocomposites with Mg2Al LDHs.
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Figure 9: Evolution of zero-shear viscosity (in logarithmic scale) vs time for PBS and PBS nanocomposites wit...
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Figure 10: UV–vis transmittance spectra of PBS and PBS nanocomposites with Mg2Al LDH fillers.
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Figure 11: Fluorescence spectra of PBS nanocomposites with Mg2Al LDH fillers, during photodegradation tests at...
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- Full Research Paper
- Published 05 Dec 2018
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Figure 1: Molecular structures of Irganox 1425 (MP-Ca) and hindered amine light stabilizer (HALS).
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Figure 2: Powder X-ray diffraction patterns of different HnMn′-Ca2Al-LDH samples.
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Figure 3: FTIR spectra of different HnMn′-Ca2Al-LDH samples.
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Figure 4: SEM images of (a) HALS-Ca2Al, (b) MP-Ca2Al and (c) H2M1-Ca2Al, (d) H1M1-Ca2Al, (e) H1M2-Ca2Al, (f) H...
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Figure 5: (a) TG and (b) DTA curves of Ca2Al-LDHs: HALS-Ca2Al, MP-Ca2Al, H2M1-Ca2Al, H1M1-Ca2Al, H1M2-Ca2Al, ...
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Figure 6: Powder X-ray diffraction pattern of HnMn′-Ca2Al/PP composites. LDH reflection peaks were marked wit...
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Figure 7: (a) FTIR spectra and (b) visible-light transmittance spectra of Ca2Al/PP composites. (c) SEM image ...
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Figure 8: (a) TGA curves of HnMn′-Ca2Al/PP composites. (b) FTIR spectra of PP after different periods of ther...
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- Full Research Paper
- Published 29 Mar 2017
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Figure 1: Ball-and-stick representation of the simulation box. Visualized with TRAVIS [43] and vmd [44]. Left: cation...
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Figure 2: Representative photographs and TEM images of organosilica monoliths. (A) Wet TBM20 after Soxhlet ex...
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Figure 3: Carbon, hydrogen, and nitrogen contents of silica monoliths made from methanol (A) and acetone (B).
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Figure 4: TGA data of pure organosilica monoliths.
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Figure 5: Representative IR spectra of TBA40 and MBA40.
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Figure 6: (A) SAXS pattern of TBA40 and (B) nitrogen sorption data of TBA20 to TBA60.
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Scheme 1: Synthesis of the IL [BmimSO3H][PTS].
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Figure 7: Photograph of an IG resulting from the combination of the TBA60 organosilica matrix and [BmimSO3H][...
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Figure 8: IR spectra of a neat TBA20 monolith, pure IL, and the resulting TBA20IL IG.
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Figure 9: EA data of IGs. Samples shown in panel (A) were made via the methanol-based synthesis and samples s...
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Figure 10: TGA data of MBA20IL, MBA40IL, MBA50IL, and MBA60IL along with TGA trace obtained from wet MBA60IL o...
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Figure 11: DSC heating traces of (A) [BmimSO3H][PTS] and (B) the resulting TBA IGs. Gray areas highlight the r...
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Figure 12: Nyquist curve Z”(ω) vs Z’(ω) for TBA20IL with zoom-ins to the central areas of the plot vs temperat...
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Figure 13: Variation of log(σ·T) versus 1000/T for all IGs. The change in the energy of activation likely does...
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Figure 14: Variation of (A) tan δ vs log f and (B) relaxation time vs 1000/T for MBA40. The temperature is as ...
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Figure 15: Full temporal development (from equilibrium search to production run) of all 32 intramolecular O–H ...
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Figure 16: Combined distribution function of the intramolecular O–H distances (including only the bonding oxyg...
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- Full Research Paper
- Published 15 Dec 2016
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Figure 1: Chemical structures of the macroRAFT agents synthesized in this work: a) PAAn-CTPPA and b) P(AAn-st...
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Figure 2: PXRD patterns of: (a) MgAl-NO3 LDH and (b–e) macroRAFT agent-intercalated LDH obtained by anion exc...
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Figure 3: a) Schematic representation of the arrangement of MgAl-PAA49-CTPPA, and b) One-dimensional electron...
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Figure 4: FTIR spectra of: a) pristine MgAl-NO3 and macroRAFT agent-intercalated LDHobtained by anion exchang...
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Figure 5: FESEM images of: a) pristine MgAl-NO3 LDH and macroRAFT agent-intercalated LDH obtained by anion ex...
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Figure 6: Solid-state 13C NMR spectra of (a,b) MgAl-PAA49-CTPPA; (c,d) MgAl-P(AA8.5-stat-BA8.5)-CTPPA and (e,...
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Figure 7: Solid-state 13C{1H} HETCOR NMR spectra of MgAl-P(AA8.5-stat-BA8.5)-CTPPA, and collected at: a) shor...
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Figure 8: a) Radio-frequency-pulse NMR sequence used to probe LDH/copolymer interactions. Shaded regions labe...
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