Philippe Leclère
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View article: Tripartite Hydrogen-Bonding as a Driving Force for High-Concentration Cyclization of Poly(L-lactide)
Tripartite Hydrogen-Bonding as a Driving Force for High-Concentration Cyclization of Poly(L-lactide) Open
A three-step strategy enables efficient cyclization of high-M n PLLA at 0.5 M. Key to success is a persistent tripartite complex driven by hydrogen bonding and ion pairing. Selective intramolecular transesterification...
View article: Acrylic Films in Cosmetics: Decoding the Structural Mechanism of a High-Performing Skin Coating
Acrylic Films in Cosmetics: Decoding the Structural Mechanism of a High-Performing Skin Coating Open
For the past two decades, petroleum-based polymers have dominated the long-wear makeup segment of the cosmetic industry. Film-forming agents, such as acrylic polymers, are highly valued for their versatility and their ability to create seb…
View article: A novel approach to design structural natural fiber composites from sustainable CO<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si10.svg" display="inline" id="d1e837"><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:math>-derived polyhydroxyurethane thermosets with outstanding properties and circular features
A novel approach to design structural natural fiber composites from sustainable CO-derived polyhydroxyurethane thermosets with outstanding properties and circular features Open
peer reviewed
View article: A novel paradigm approach to design structural natural fiber composites from fully sustainable CO2-derived thermosets with outstanding interfacial strength and circular features
A novel paradigm approach to design structural natural fiber composites from fully sustainable CO2-derived thermosets with outstanding interfacial strength and circular features Open
We herein propose capitalizing on strong hydrogen bonding from novel bio-CO2-derived dynamic thermosets to achieve high-performance natural fiber composites (NFC) with circular features. CO2- and biomass-derived polyhydroxyurethane (PHU) t…
View article: The influence of the substrate temperature on the growth mechanism of amine‐ and thiol‐based plasma polymers: A comparative study
The influence of the substrate temperature on the growth mechanism of amine‐ and thiol‐based plasma polymers: A comparative study Open
This work aims to provide new insights into the link between the growth mechanisms of functionalized plasma polymer films (PPFs) and the substrate temperature ( T S ). By means of AFM‐based techniques, it has been demonstrated that the mec…
View article: Self-assembly of a barnacle cement protein into intertwined amyloid fibres and determination of their adhesive and viscoelastic properties
Self-assembly of a barnacle cement protein into intertwined amyloid fibres and determination of their adhesive and viscoelastic properties Open
The stalked barnacle Pollicipes pollicipes uses a multi-protein cement to adhere to highly varied substrates in marine environments. We investigated the morphology and adhesiveness of a component 19 kDa protein in barnacle cement gland- an…
View article: Laser Ablation Synthesis of Silver Nanoparticles for Polymer Nanocomposites
Laser Ablation Synthesis of Silver Nanoparticles for Polymer Nanocomposites Open
Silver nanoparticles were synthesized via laser ablation in two different organic solvents (tetrahydrofuran and toluene). The influence of solvent choice on the production and behavior of silver nanoparticles dispersed in a polystyrene mat…
View article: Perspectives in Scanning Probe Microscopy from the 2021 Joint International Scanning Probe Microscopy and Scanning Probe Microscopy on Soft and Polymeric Materials Conference
Perspectives in Scanning Probe Microscopy from the 2021 Joint International Scanning Probe Microscopy and Scanning Probe Microscopy on Soft and Polymeric Materials Conference Open
In March of 2020 we were well on our way to organizing and hosting one of the premier scanning probe microscopy (SPM) conferences in Breckenridge, Colorado, USA. For the first time, the meeting would synergistically combine International S…
View article: Nanoscale Electrical Investigation of Transparent Conductive Electrodes Based on Silver Nanowire Network (Adv. Mater. Interfaces 18/2022)
Nanoscale Electrical Investigation of Transparent Conductive Electrodes Based on Silver Nanowire Network (Adv. Mater. Interfaces 18/2022) Open
Nanoscale Electrical Investigation of Transparent Conductive Electrodes In article number 2200019, Sy Hieu Pham, Philippe Leclère, and co-workers analyze at the nanoscale the current percolation mechanisms through a silver nanowire mesh. T…
View article: Nanoscale Electrical Investigation of Transparent Conductive Electrodes Based on Silver Nanowire Network
Nanoscale Electrical Investigation of Transparent Conductive Electrodes Based on Silver Nanowire Network Open
Presently, metallic nanowires (NWs) are the most promising materials to fabricate flexible transparent electrodes as an alternative to indium tin oxide. Here, the high performance of transparent conductive electrodes (TCEs) based on silver…
View article: TCO-free perovskite solar cells in taking advantage of SWCNT/TiO2 core/shell sponge
TCO-free perovskite solar cells in taking advantage of SWCNT/TiO2 core/shell sponge Open
A nanohybrid of titanium dioxide (TiO2) and single-walled carbon nanotubes (SWCNTs) with dual functions of collecting electrons and transparent electrode layer is synthesized by nano-cluster deposition technology. The super-hollow structur…
View article: Solvent-Free Design of Biobased Non-isocyanate Polyurethanes with Ferroelectric Properties
Solvent-Free Design of Biobased Non-isocyanate Polyurethanes with Ferroelectric Properties Open
Increasing energy autonomy and lowering dependence on lithium-based batteries are more and more appealing to meet our current and future needs of energy-demanding applications such as data acquisition, storage, and communication. In this r…
View article: On the Nanomechanical and Viscoelastic Properties of Coatings Made of Recombinant Sea Star Adhesive Proteins
On the Nanomechanical and Viscoelastic Properties of Coatings Made of Recombinant Sea Star Adhesive Proteins Open
To attach to surfaces in the sea, sea stars produce proteinaceous adhesive secretions. Sfp1 is a major constituent of this adhesive, where it is present in the form of four subunits (named Sfp1α to δ) displaying specific protein-, carbohyd…
View article: Atmospheric plasma: a simple way of improving the interface between natural polysaccharides and polyesters
Atmospheric plasma: a simple way of improving the interface between natural polysaccharides and polyesters Open
In this study, a novel simple and fast method was developed of immobilizing a natural polysaccharide (chitosan) on a polylactide (PLA) surface. In order to overcome the lack of surface adhesion between the chitosan and the PLA due to incom…
View article: Investigating the relationship between the mechanical properties of plasma polymer-like thin films and their glass transition temperature
Investigating the relationship between the mechanical properties of plasma polymer-like thin films and their glass transition temperature Open
The mechanical properties of plasma polymer-like thin films are investigated and correlated to their glass transition temperature to further develop nanostructured materials.
View article: Nanoscale Studies at the Early Stage of Water-Induced Degradation of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Perovskite Films Used for Photovoltaic Applications
Nanoscale Studies at the Early Stage of Water-Induced Degradation of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Perovskite Films Used for Photovoltaic Applications Open
International audience
View article: Quantitative mapping of high modulus materials at the nanoscale: comparative study between atomic force microscopy and nanoindentation
Quantitative mapping of high modulus materials at the nanoscale: comparative study between atomic force microscopy and nanoindentation Open
Summary Local mechanical properties of submicron features are of particular interest due to their influence on macroscopic material performance and behaviour. This study is focused on local nanomechanical measurements, based on the latest …
View article: On the Nanoscale Mapping of the Mechanical and Piezoelectric Properties of Poly (L-Lactic Acid) Electrospun Nanofibers
On the Nanoscale Mapping of the Mechanical and Piezoelectric Properties of Poly (L-Lactic Acid) Electrospun Nanofibers Open
The effect of the post-annealing process on different properties of poly (L-lactic acid) (PLLA) nanofibers has been investigated in view of their use in energy-harvesting devices. Polymeric PLLA nanofibers were prepared by using electrospi…
View article: Kinked Silicon Nanowires: Superstructures by Metal-Assisted Chemical Etching
Kinked Silicon Nanowires: Superstructures by Metal-Assisted Chemical Etching Open
We report on metal-assisted chemical etching of Si for the synthesis of mechanically stable, hybrid crystallographic orientation Si superstructures with high aspect ratio, above 200. This method sustains high etching rates and facilitates …
View article: Hybrid Interface in Sepiolite Rubber Nanocomposites: Role of Self-Assembled Nanostructure in Controlling Dissipative Phenomena
Hybrid Interface in Sepiolite Rubber Nanocomposites: Role of Self-Assembled Nanostructure in Controlling Dissipative Phenomena Open
Sepiolite (Sep)–styrene butadiene rubber (SBR) nanocomposites were prepared by using nano-sized sepiolite (NS-SepS9) fibers, obtained by applying a controlled surface acid treatment, also in the presence of a silane coupling agent (NS-SilS…
View article: Scanning probe microscopy for energy-related materials
Scanning probe microscopy for energy-related materials Open
International audience
View article: On the Sputtering of Titanium and Silver onto Liquids, Discussing the Formation of Nanoparticles
On the Sputtering of Titanium and Silver onto Liquids, Discussing the Formation of Nanoparticles Open
Titanium\nand silver atoms were magnetron-sputtered either onto\npentaerythritol ethoxylate (PEEL) or 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide\n(BMIMTFSI) ionic liquid (IL), and the formation of nanoparticles (NPs)\…
View article: Contactless Control of Local Surface Buckling in Photoaligned Gold/Liquid Crystal Polymer Bilayers
Contactless Control of Local Surface Buckling in Photoaligned Gold/Liquid Crystal Polymer Bilayers Open
Wrinkling is a powerful technique for the preparation of surface structures over large areas, but it is difficult to simultaneously control the direction, period, and amplitude of the wrinkles without resorting to complicated procedures. I…
View article: A scanning probe microscopy study of nanostructured TiO<sub>2</sub>/poly(3-hexylthiophene) hybrid heterojunctions for photovoltaic applications
A scanning probe microscopy study of nanostructured TiO<sub>2</sub>/poly(3-hexylthiophene) hybrid heterojunctions for photovoltaic applications Open
The nanoscale morphology of photoactive hybrid heterojunctions plays a key role in the performances of hybrid solar cells. In this work, the heterojunctions consist of a nanocolumnar TiO 2 surface covalently grafted with a monolayer of pol…
View article: The structural and chemical basis of temporary adhesion in the sea star <i>Asterina gibbosa</i>
The structural and chemical basis of temporary adhesion in the sea star <i>Asterina gibbosa</i> Open
Background: Marine biological adhesives are a promising source of inspiration for biomedical and industrial applications. Nevertheless, natural adhesives and especially temporary adhesion systems are mostly unexplored. Sea stars are able t…