Nicolas Stéphant
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View article: Development and Characterization of Scented PLA-Based Biocomposites Reinforced with Spent Coffee Grounds and Lignin for FDM 3D Printing
Development and Characterization of Scented PLA-Based Biocomposites Reinforced with Spent Coffee Grounds and Lignin for FDM 3D Printing Open
This study investigates the development of biodegradable, scented bio-composite filaments incorporating industrial residues, specifically spent coffee grounds (SCG) and lignin (LI), into a PLA matrix for FDM 3D printing. Two fragrance addi…
View article: Gemmological Properties of Opals from Spencer, Idaho, USA
Gemmological Properties of Opals from Spencer, Idaho, USA Open
Fifteen opal samples of gem quality from the Spencer Opal Mines in Idaho (USA) were examined. These opals display play-of-colour, with three of them having a pink body colour. The analysis was conducted using standard gemmological tools, a…
View article: On the characterization of microstructural characteristics and mechanical behaviour of mortar modified by flax fibre residues
On the characterization of microstructural characteristics and mechanical behaviour of mortar modified by flax fibre residues Open
View article: Comprehensive protocol for preparing diatom cell samples and associated bacterial consortia for scanning electron microscopy
Comprehensive protocol for preparing diatom cell samples and associated bacterial consortia for scanning electron microscopy Open
View article: Digital Light Processing Route for 3D Printing of Acrylate-Modified PLA/Lignin Blends: Microstructure and Mechanical Performance
Digital Light Processing Route for 3D Printing of Acrylate-Modified PLA/Lignin Blends: Microstructure and Mechanical Performance Open
In this study, digital light processing (DLP) was utilized to generate 3D-printed blends composed of photosensitive acrylate-modified polylactic acid (PLA) resin mixed with varying weight ratios of lignin extracted from softwood, typically…
View article: Effects of Microstructural Arrangement on the Mechanical Behavior of 3D Printed Polyamide
Effects of Microstructural Arrangement on the Mechanical Behavior of 3D Printed Polyamide Open
This study aims to relate the microstructural arrangement, in particular the symmetry materialized by filament sequencing in the fused filament fabrication process, to the mechanical behavior of printed polyamide. Dog-bone structures were …
View article: Effect of Microstructural Arrangement on Mechanical Behaviour of 3D Printed Polyamide
Effect of Microstructural Arrangement on Mechanical Behaviour of 3D Printed Polyamide Open
This study aims at relating the microstructural arrangement, in particular the symmetry materialised by filament sequencing in fused filament fabrication process on mechanical behaviour of printed polyamide. Dogbone structures are printed …
View article: Comprehensive characterization of Al-doped ZnO thin films deposited in confocal radio frequency magnetron co-sputtering
Comprehensive characterization of Al-doped ZnO thin films deposited in confocal radio frequency magnetron co-sputtering Open
View article: Probing the microporosity and 3D spatial distribution of calcium phosphate cement/hydrogel biomaterials using FIB/SEM at cryogenic temperatures
Probing the microporosity and 3D spatial distribution of calcium phosphate cement/hydrogel biomaterials using FIB/SEM at cryogenic temperatures Open
Multidimensional, low dose structural and chemical analysis of CDHA mixed with two different hydrogels achieved by cryo-FIB/SEM tomography in combination with cryo-EDS.
View article: A New Reconstructed Turquoise Imitation Composed of Turquoise Powder with a PMMA (Acrylic) Binder
A New Reconstructed Turquoise Imitation Composed of Turquoise Powder with a PMMA (Acrylic) Binder Open
International audience
View article: Photoactive CuI-Cross-Linked Polyurethane Materials
Photoactive CuI-Cross-Linked Polyurethane Materials Open
Using multinuclear copper iodide complexes as cross-linking agents in a polyurethane matrix, original photoluminescent stimuli-responsive materials were synthesized. The intrinsic photoluminescence properties of the covalently incorporated…
View article: Efficient and Facile Synthetic Route of MoO3:MoS2 Hybrid Thin Layer via Oxidative Reaction of MoS2 Nanoflakes
Efficient and Facile Synthetic Route of MoO3:MoS2 Hybrid Thin Layer via Oxidative Reaction of MoS2 Nanoflakes Open
In the present study, MoO3:MoS2 hybrid thin layers have been synthesized through partial oxidation of MoS2. We have demonstrated that the reaction requires darkness conditions to decrease the oxidation rate, thus obtaining the hybrid, MoO3…
View article: On the Mechanical Performance of Polylactic Material Reinforced by Ceramic in Fused Filament Fabrication
On the Mechanical Performance of Polylactic Material Reinforced by Ceramic in Fused Filament Fabrication Open
This study addresses the potential of using ceramics-based filaments as a feedstock material in an additive manufacturing process. Tensile specimens of PLA-ceramic (PLC) material are manufactured using a fused deposition modelling process,…
View article: Interactions between infernan and calcium: From the molecular level to the mechanical properties of microgels
Interactions between infernan and calcium: From the molecular level to the mechanical properties of microgels Open
View article: Formation of Cu(In,Ga)S2 chalcopyrite thin films following a 3-stage co-evaporation process
Formation of Cu(In,Ga)S2 chalcopyrite thin films following a 3-stage co-evaporation process Open
View article: New alkali lanthanide-free polyoxometalates with remarkable water-responsive turn-off–turn-on luminescence properties
New alkali lanthanide-free polyoxometalates with remarkable water-responsive turn-off–turn-on luminescence properties Open
New anhydrous alkali lanthanide-free polyoxometalates have been elaborated by thermal decomposition of their parent hydrates, and they exhibit remarkable reversible turn-off-on luminescence properties at room temperature in the presence of…
View article: CCDC 2077585: Experimental Crystal Structure Determination
CCDC 2077585: Experimental Crystal Structure Determination Open
View article: CCDC 2077584: Experimental Crystal Structure Determination
CCDC 2077584: Experimental Crystal Structure Determination Open
View article: CCDC 2058596: Experimental Crystal Structure Determination
CCDC 2058596: Experimental Crystal Structure Determination Open
View article: CCDC 2058600: Experimental Crystal Structure Determination
CCDC 2058600: Experimental Crystal Structure Determination Open
View article: CCDC 2058601: Experimental Crystal Structure Determination
CCDC 2058601: Experimental Crystal Structure Determination Open
View article: CCDC 2058599: Experimental Crystal Structure Determination
CCDC 2058599: Experimental Crystal Structure Determination Open
View article: Microwave-assisted synthesis of anhydrous lanthanide-based coordination polymers built upon benzene-1,2,4,5-tetracarboxylic acid
Microwave-assisted synthesis of anhydrous lanthanide-based coordination polymers built upon benzene-1,2,4,5-tetracarboxylic acid Open
View article: CCDC 2058598: Experimental Crystal Structure Determination
CCDC 2058598: Experimental Crystal Structure Determination Open
View article: CCDC 2058597: Experimental Crystal Structure Determination
CCDC 2058597: Experimental Crystal Structure Determination Open
View article: CCDC 2058602: Experimental Crystal Structure Determination
CCDC 2058602: Experimental Crystal Structure Determination Open
View article: Power Conversion Efficiency Improvement of Planar Organic Photovoltaic Cells Using an Original Hybrid Electron-Transporting Layer
Power Conversion Efficiency Improvement of Planar Organic Photovoltaic Cells Using an Original Hybrid Electron-Transporting Layer Open
In organic photovoltaic (OPV) cells, besides the organic active layer, the electron-transporting layer (ETL) has a primordial role in transporting electrons and blocking holes. In planar heterojunction-OPVs (PHJ-OPVs), the ETL is called th…
View article: Mechanically responsive luminescent films based on copper iodide clusters
Mechanically responsive luminescent films based on copper iodide clusters Open
A mechanochromic luminescent copper iodide cluster is reported whose luminescence is exalted in response to mechanical stress. The underlying mechanism has been investigated along with the preparation of mechanically responsive films.
View article: TiO <sub>2</sub> –SiO <sub>2</sub> nanocomposite thin films deposited by direct liquid injection of colloidal solution in an O <sub>2</sub> /HMDSO low-pressure plasma
TiO <sub>2</sub> –SiO <sub>2</sub> nanocomposite thin films deposited by direct liquid injection of colloidal solution in an O <sub>2</sub> /HMDSO low-pressure plasma Open
TiO 2 nanoparticles (NPs), 3 nm in size, were injected inside a very-low-pressure O 2 plasma reactor using a liquid injector and following an iterative injection sequence. Simultaneously, hexamethyldisiloxane (HMDSO) vapor precursor was ad…
View article: IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 48
IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 48 Open
peer reviewed