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Dernières publications et brevets sur le graphène

Publications sur le graphène Brevets

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Il s'agit de notre dernière sélection de publications et de brevets mondiaux en anglais sur le graphène, parmi de nombreuses revues scientifiques en ligne, classées et axées sur le graphène, le wrinklon, la straintronique, l'hétérostrain, le phonovoltaïque, la spectroscopie Raman, l'effet tunnel de Klein, la spintronique, le dépôt chimique en phase vapeur, l'épitaxie par faisceaux moléculaires, le cône de Dirac et le transport des phonons.

Processing method and processing device

Patent published on the 2026-07-02 in WO under Ref WO2026140956 by TOKYO ELECTRON LTD [JP] (Takezawa Yoshihiro [jp], Miyahara Tatsuya [jp], Hayashi Ryunosuke [jp])

Abstract: A processing method according to one embodiment of the present disclosure comprises: preparing a substrate that has a catalyst-metal-containing polycrystalline silicon film on the surface thereof; forming a gettering layer formed of amorphous silicon on the polycrystalline silicon film through chemical vapor deposition using an organoaminosilane gas; and annealing the substrate to diffuse the catalyst metal contained in the polycrystalline silicon film into the gettering layer.[...]


Our summary: The processing method involves preparing a substrate with a catalyst-metal-containing polycrystalline silicon film. A gettering layer of amorphous silicon is formed on this film using chemical vapor deposition. The substrate is then annealed to diffuse the catalyst metal into the gettering layer.

catalyst, polycrystalline silicon, chemical vapor deposition, annealing

Patent

Heterogeneous integration of optical elements into a miniaturized endoscopic system

Patent published on the 2026-07-02 in US under Ref US20260182824 by LEADOPTIK INC [US] (Rezaei Soroosh Daqiqeh [us], Qiao Xingdu [us], You Jiang [us], Pham Thomas C [us], Khorasaninejad Mohammadreza [us])

Abstract: A technique is proposed for integrating optical components into a compact endoscopic system. In one instance, this involves combining a single/multimode fiber (or fiber bundle) and multiple metalenses using a ferrule and mounts. Specifically, the fiber is housed within the ferrule, which includes a protrusion that fits into a mount where the metalenses are securely positioned and aligned with the fiber. The integrated system allows light input through the fiber to interact with and be manipulate[...]


Our summary: A technique integrates optical components into a compact endoscopic system. The system combines a fiber and multiple metalenses using a ferrule and mounts. This configuration enables effective light delivery and focusing for miniaturized medical imaging applications.

Heterogeneous integration, optical elements, endoscopic system, metalenses

Patent

Film and method for producing same

Patent published on the 2026-07-02 in WO under Ref WO2026141357 by TOAGOSEI CO LTD [JP] (Sasagawa Keita [jp], Yasuhara Shigeo [jp])

Abstract: Provided is a method for producing a film containing Sn and Ge, which includes: an Sn film formation step for forming an Sn-containing film using a tin compound as a starting material gas; and a Ge film formation step for forming a Ge-containing film using a germanium compound as a starting material gas. The film formation is performed by a chemical vapor deposition method or an atomic layer deposition method by supplying the starting material gas into a chamber in which an object to be processe[...]


Our summary: The method produces a film containing tin (Sn) and germanium (Ge). It involves forming an Sn-containing film using a tin compound and a Ge-containing film using a germanium compound. The film formation occurs through chemical vapor deposition or atomic layer deposition techniques.

Sn film, Ge film, chemical vapor deposition, atomic layer deposition

Patent

Film and method for producing same

Patent published on the 2026-07-02 in WO under Ref WO2026141475 by TOAGOSEI CO LTD [JP] (Sasagawa Keita [jp], Yasuhara Shigeo [jp])

Abstract: Provided is a method for producing a film containing Sn and Si, which includes: an Sn film formation step for forming an Sn-containing film using a tin compound as a starting material gas; and an Si film formation step for forming an Si-containing film using a silicon compound as a starting material gas. The film formation is performed by a chemical vapor deposition method or an atomic layer deposition method by supplying the starting material gas into a chamber in which an object to be processe[...]


Our summary: The method involves forming an Sn-containing film using a tin compound and an Si-containing film using a silicon compound. Both film formations are executed through chemical vapor deposition or atomic layer deposition. The process takes place in a chamber with a film formation surface on the object being processed.

Sn film, Si film, chemical vapor deposition, atomic layer deposition

Patent

Zinc-graphite battery based on bromine chemistry enabled by water-in-salt electrolyte

Patent published on the 2026-07-02 in US under Ref US20260188757 by UNIV OF SHARJAH [AE] (Mouselly Maryam Mohd Haitham [ae], Parambath Javad Basil Marutheri [ae], Senthilkumar Sirugaloor Thangavel [ae], Alawadhi Hussain [ae], Allagui Anis [ae])

Abstract: The present disclosure discloses a zinc-graphite battery based on bromine chemistry enabled by water-in-salt electrolyte is disclosed. The battery comprises a foil selected to serve as a cathode host for the electrochemical reactions involving bromide ions, an anode selected from zinc foil or graphite foil that serves as a current collector for zinc deposition and dissolution, and water-in-salt electrolyte (WiSE) comprising lithium chloride (LiCl), zinc chloride (ZnCl2), and potassium bromide (K[...]


Our summary: The zinc-graphite battery utilizes bromine chemistry with a water-in-salt electrolyte. It features a cathode host for bromide ions and an anode for zinc deposition. The battery demonstrates high discharge capacity, efficiency, and extended cycle life.

Zinc-graphite, bromine chemistry, water-in-salt electrolyte, electrochemical reactions

Patent

Systems and methods for rapid identification of fungal species using counter-propagating gaussian beam raman spectroscopy and deep learning

Patent published on the 2026-07-02 in US under Ref US20260188498 by WAYNE STATE UNIV [US] (Auner Gregory William [us], Koya Satya Kiran [us], Brusatori Michelle [us])

Abstract: [0000] Systems and methods for identification of fungal pathogens, including Candida auris and other Candida species, using Raman spectroscopy integrated with machine learning are described. The systems and methods can utilize a counter-propagating Gaussian beam Raman spectroscopy (CPGB-RS) system in combination with a Convolutional Neural Network (CNN) that processes the Raman spectral data to identify and classify fungal species with high accuracy, sensitivity, and specificity.[...]


Our summary: This content describes systems for identifying fungal pathogens using Raman spectroscopy and deep learning. It focuses on a counter-propagating Gaussian beam Raman spectroscopy system integrated with a Convolutional Neural Network. The approach aims for high accuracy, sensitivity, and specificity in classifying fungal species.

Raman spectroscopy, deep learning, fungal identification, machine learning

Patent

Investigating the synergistic effects of hybrid and bimodal filler networks on the out-of-plane thermal conductivity of polymer composites

Published on 2026-06-12 by Yonghyun Albert Kwon, Jaeyeon Kim, Jiseon Choi, Soojeong Jeong, Yunchan Lee, Ho Sun Lim, Jeong Ho Cho @NATURE

Abstract: Polymer Journal, Published online: 12 June 2026; doi:10.1038/s41428-026-01220-2We report a highly effective approach to improve the out-of-plane thermal conductivity of polymer prepregs by optimizing filler networks. Comparing monofiller, hybrid (h-BN/Al2O3), and bimodal (h-BN aggregates/powders) systems reveal that bimodal architectures successfully balance isotropic phonon transport with minimized interfacial thermal resistance. By utilizing chemically identical h-BN fillers with distinct morp[...]


Our summary: The study investigates the impact of hybrid and bimodal filler networks on the thermal conductivity of polymer composites. Bimodal architectures enhance phonon transport while reducing thermal resistance. The optimized prepreg achieves a thermal conductivity of 0.56 W/m·K with 25 wt% filler.

thermal conductivity, polymer composites, filler networks, bimodal systems

Publication

AI-enabled Thermo-GNN assessment of waste-derived nanocatalytic biodiesel for sustainable and low-emission diesel engine operation

Published on 2026-05-12 by @OXFORD

Abstract: AbstractThis study develops a clean, high-efficiency combustion strategy for agricultural diesel engines by integrating spent coffee ground biodiesel (SCGB) with graphene oxide–zinc oxide (GO@ZnO) core-shell nanoadditives. A Physics-Informed Thermodynamic Graph Neural Network (Thermo-GNN) is introduced to predict performance and emissions behavior using sparse experimental data. SCGB was produced via acid–base transesterification, blended with diesel (B25–B100), and doped with 50 and 100 [...]


Our summary: This study introduces a Physics-Informed Thermodynamic Graph Neural Network (Thermo-GNN) to optimize the combustion of agricultural diesel engines using spent coffee ground biodiesel blended with GO@ZnO nanoparticles. The results show significant improvements in combustion efficiency, with brake thermal efficiency rising to 33.5% and emissions reductions of up to 65%. The Thermo-GNN framework demonstrates high accuracy in predicting performance metrics, paving the way for scalable digital twin applications in diesel engines.

Thermo-GNN, biodiesel, nanocatalysts, emissions

Publication

Sujets abordés : Éléments des terres rares, revêtement de barrière thermique, microstructure, propriétés mécaniques, synthèse par combustion en solution, dureté Vickers, résistance à la rupture, dilatation thermique, effet Hall, dopé, pérovskite, résistance à la corrosion, essai de cycle thermique, affinement des grains, performance à haute température, densité des porteurs de charge, propriétés de transport, Organisation internationale de normalisation (ISO), ASTM International, American National Standards Institute (ANSI), Commission électrotechnique internationale (CEI), et Organisation internationale de normalisation (ISO).

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(si la date est inconnue ou non pertinente, par exemple « mécanique des fluides », une estimation arrondie de son émergence notable est fournie)

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