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Affichage de 1971 à 1980 sur 15701

Article dans une revue

Quantum Dot Acceptors in Two-Dimensional Epitaxially Fused PbSe Quantum Dot Superlattices

Vincent Notot, Willem Walravens, Maxime Berthe, Nemanja Peric, Ahmed Addad, X. Wallart, Christophe Delerue, Zeger Hens, B. Grandidier, Louis Biadala

Oriented attachment of colloidal quantum dots allows the growth of two-dimensional crystals by design, which could have striking electronic properties upon progress on manipulating their conductivity. Here, we explore the origin of doping in square and epitaxially fused PbSe quantum dot…

ACS Nano, 2022, 16 (2), pp.3081-3091. ⟨10.1021/acsnano.1c10596⟩. ⟨hal-03574889⟩

Article dans une revue

Complex Optical Index of PbS Nanocrystal Thin Film and their Use for Short Wave Infrared Sensor Design

Bilal Chehaibou, Eva Izquierdo, Audrey Chu, Claire Abadie, Mariarosa Cavallo, Adrien Khalili, Tung Huu Dang, Charlie Greboval, Xu Xiangzhen, Sandrine Ithurria, Grégory Vincent, Bruno Gallas, Gabriel Mugny, Arthur Arnaud, Emmanuel Lhuillier, Christophe Delerue

As nanocrystals (NCs) gain maturity, they become central building blocks for optoelectronics in devices such as solar cells and, more recently, infrared focal plane arrays. Now that proof of concept of these devices has been established, their optimization requires a deeper understanding of their…

Nanoscale, 2022, 14 (7), pp.2711 - 2721. ⟨10.1039/D1NR07770H⟩. ⟨hal-03539861⟩

Article dans une revue

An efficient CuO/rGO/TiO2 photocatalyst for the synthesis of benzopyranopyrimidine compounds under visible light irradiation

Maryam Mirza-Aghayan, Mandana Saeedi, Rabah Boukherroub

This study reports the synthesis of CuO/rGO/TiO 2 in coupling reaction under visible light irradiation. Its photocatalytic performance was explored in a pseudo 4-component and a domino reaction for the synthesis of benzopyranopyrimidine compounds. It can be recovered and recycled for 5 runs.

New Journal of Chemistry, 2022, 46 (8), pp.3817-3830. ⟨10.1039/D1NJ05819C⟩. ⟨hal-03596367⟩

Article dans une revue

Photothermal Activatable Mucoadhesive Fiber Mats for On-Demand Delivery of Insulin via Buccal and Corneal Mucosa

Anna Voronova, Cristina Prieto, Maria Pardo-Figuerez, Jose Maria Lagaron, Amitav Sanyal, Bilal Demir, Thomas Hubert, Valérie Plaisance, Valérie Pawlowski, Séverine Vignoud-Despond, Alexandre Barras, Amar Abderrahmani, Rabah Boukherroub, Sabine Szunerits

Electrospun fiber mats loaded with therapeutics have gained considerable attention as a versatile tool in the biomedical field. While these bandages are largely based on fast-dissolving polymers to release the cargo, stimuli-responsive fiber mats have the advantages of providing a timely and…

ACS Applied Bio Materials, 2022, 5 (2), pp.771-778. ⟨10.1021/acsabm.1c01161⟩. ⟨hal-03561671⟩

Article dans une revue

In Situ Liquid Electrochemical TEM Investigation of LiMn1.5Ni0.5O4 Thin Film Cathode for Micro‐Battery Applications

Ankush Bhatia, Sorina Cretu, Maxime Hallot, Nicolas Folastre, Maxime Berthe, David Troadec, Pascal Roussel, Jean Pierre Pereira-Ramos, Rita Baddour-Hadjean, C. Lethien, Arnaud Demortière

Micro-batteries are attractive miniaturized energy devices for new Internet of Things applications, but the lack of understanding of their degradation process during cycling hinders improving their performance. Here focused ion beam (FIB)-lamella from LiMn1.5Ni0.5O4 (LMNO) thin-film cathode is in…

Small Methods, 2022, 6 (2), 2100891, 13 p. ⟨10.1002/smtd.202100891⟩. ⟨hal-03507057⟩

Article dans une revue

On overtravel and skate in cantilever-based probes for on-wafer measurements

Steve Arscott

Due to the deformability of a microcantilever-based probe, there is an interesting and subtle interplay between the probe overtravel, the tip skate on the surface, and the ultimate tangency of the tip of the probe with the wafer surface. The relationship between these parameters is described here.…

Journal of Micromechanics and Microengineering, 2022, 32 (5), pp.057001. ⟨10.1088/1361-6439/ac521e⟩. ⟨hal-03582730⟩

Article dans une revue

Analytical and numerical study of T-shaped plasmonic demultiplexer based on Fano and induced transparency resonances

M Amrani, S Khattou, Y Rezzouk, A Mouadili, A Noual, E El Boudouti, Bahram Djafari-Rouhani

Abstract We study analytically and numerically the design of plasmonic demultiplexers based on Fano and plasmonic induced transparency (PIT) resonances. The demultiplexers consist of T-shaped structures with an input waveguide and two output waveguides. Each output contains two waveguide stubs…

Journal of Physics D: Applied Physics, 2022, 55 (7), pp.075106. ⟨10.1088/1361-6463/ac33d6⟩. ⟨hal-03508392⟩

Article dans une revue

A Thiomidazolylborate based Carbon Paste Electrode for Voltametric Detection of Heavy Metals in Wastewater

Gaber A.M. Mersal, Hamdy El-Sheshtawy, Ahmed Fallatah, Rabah Boukherroub, Mohammed Amin, Dalia Saleh, Mohamed Ibrahim

The ligand potassium hydrotris(N- (2,6-xylyl)-2-thioimidazolyl)borate (KTtxylyl) was utilized to construct a carbon paste modified electrode (KTtxylyl/CPE), which was studied using electrochemical impedance spectroscopy, cyclic voltammetry and square wave voltammetry (SWV). Its electrochemical…

Asian Journal of Chemistry, 2022, 34 (3), pp.635-643. ⟨10.14233/ajchem.2022.23580⟩. ⟨hal-03753576⟩

Article dans une revue

Nanoscale thermal conductivity of Kapton-derived carbonaceous materials

K. Kondratenko, D. Hourlier, Dominique Vuillaume, S. Lenfant

This study exploits the nanoscale resolution of scanning thermal microscopy (SThM) to reveal inhomogeneous nature of thermal properties of carbon-derived materials issued from thermal conversion of the most commonly known polyimide, Kapton®. This information is otherwise inaccessible if…

Journal of Applied Physics, 2022, 131 (6), pp.065102. ⟨10.1063/5.0074407⟩. ⟨hal-03616405⟩

Rapport

Expositions aux champs électromagnétiques liées au déploiement de la technologie de communication « 5G » et effets sanitaires éventuels associés

Alicia Torriglia, Pierre Degauque, Laura Draetta, Jean-François Doré, Irina Guseva Canu, Jürg Kesselring, Anne Pereira de Vasconcelos, Frédérique Peronnet, Hakeim Talleb, György Thuróczy, Marie-Pierre Rols, Benjamin Vatovez, Dina Attia, Marion Boyer

L’Anses a été saisie le 9 janvier 2019 par les ministères en charge de la santé, de l’environnement et de l’économie pour la réalisation de l’expertise suivante : « Exposition aux champs électromagnétiques liée au déploiement de la technologie de communication « 5G » et effets sanitaires associés…

[0] Saisine n° 2019-SA-0006, Anses. 2022, 262 p. ⟨anses-03792878⟩