Results 191 to 200 of about 5,638 (257)

Vibrational Exfoliation of 2D Materials

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Vibrational energy folds, fractures and exfoliates atomically and molecularly thin materials. Combining experimentation and computational methods, this unique vibrational synthesis pathway is revealed. This process overcomes barriers of existing approaches by processing 1000 g/L dispersions without loss in yield.
Aadam Rabani, Faysal A. Khaleel, Fahad S. Al‐Gburi, Irwing Ramirez, Tomislav Friščić, Jason Stafford   +5 more
wiley   +1 more source

Liquid‐Processed 2D Aromatic Amorphous Carbon: Defect Engineering and Universal Transport Scaling

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Liquid‐processed graphene oxide (GO) thin films undergo a controllable crystalline–to–amorphous transition driven by thermal quenching. By kinetically tuning oxygen‐driven defect formation during reduction, scalable 2D aromatic amorphous carbon phases are stabilized, directly linking nanoscale disorder and defect topology to electronic transport ...
Fabiola Liscio, Andrea Fondacaro, Gaetana Petrone, Federico Chianese, Jasper Rikkert Plaisier, Sara Fiori, Orlando Castellano, Alice Apponi, Nicolò Galvani, Verónica Montes García, Veronica Valentini, Stefano Iacobucci, Damiano Ricciarelli, Giuseppe Fisicaro, Antonino Lamagna, Giovanni Maria Vinai, Ernesto Placidi, Alessandro Bellucci, Daniele Maria Trucchi, Paolo Samorì, Alessandro Ruocco, Samuel Lara Avila, Andrea Liscio   +22 more
wiley   +1 more source

Size Scaling of the Electrochemical Performance of Ti3C2Tx MXene Microelectrode Arrays for Electrophysiological Recording and Stimulation

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This study evaluates Ti3C2Tx MXene‐based microelectrodes across a range of diameters (25–500 µm) and elucidates their recording and stimulation capabilities for bioelectronic applications. Several electrochemical measurements—supported further by equivalent‐circuit modeling—revealed enhanced recording and stimulation capabilities of the MXene ...
Spencer R. Averbeck, Raghav Garg, Royce Dong, Daryl Hurwitz, Nicholas V. Apollo, Michael S. Beauchamp, Flavia Vitale   +6 more
wiley   +1 more source

Qualitative Evaluation of the Magnetocrystalline Anisotropy in Spinel Ferrite Nanoparticles Using Polarized Neutron Powder Diffraction

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Polarized neutron powder diffraction is used to qualitatively probe the magnetocrystalline anisotropy of cobalt‐doped ferrite nanoparticles. The analysis of local magnetic susceptibility tensors and magnetization ellipsoids reveals how cobalt incorporation modifies both the magnitude and orientation of anisotropy, providing a new approach to compare ...
Igor V. Golosovsky, Iurii A. Kibalin, Deborah Liguori, Beatrice Muzzi, Alejandro G. Roca, Eddy Lelièvre‐Berna, Ines Puente‐Orench, Arsen Gukasov, Josep Nogués, Alberto López‐Ortega   +9 more
wiley   +1 more source

Molecular‐Level Engineered Approach Induces Built‐in Electric Field Modulation in G‐C3N4/CoMoS2 Heterojunction for Enhanced Hydrogen Generation via Urea Oxidation

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Urea‐assisted electrolysis is demonstrated as an energy‐efficient route for hydrogen production by replacing the sluggish oxygen evolution reaction with kinetically favorable urea oxidation. An intrinsic electric‐field‐driven g‐C3N4/CoMoS2 heterojunction induces directional charge redistribution, promotes selective urea activation, and accelerates C─N ...
Boka Fikadu Banti, Birhanu Bayissa Gicha, Mahendra Goddati, Hyojin Kang, Indra Memdi Khoris, Cheru Fekadu Molla, Sohrab Asgaran, Michael Giersig, Njemuwa Nwaji, Jaebeom Lee   +9 more
wiley   +1 more source

Anode‐Free All‐Solid‐State Batteries: Understanding Limitations and Charting a Path to Enhanced Performance

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This review examines four factors that drive interfacial instability in sulfide‐based anode‐free all‐solid‐state batteries and thoroughly reviews corresponding performance‐enhancing strategies. The strategies are organized as follows: (1) interlayer engineering, (2) pressure‐regulating buffer layers, (3) other methods, including sacrificial cathodes ...
Sion Kim, Jaechan Lee, Jihyun Jang
wiley   +1 more source

Recent Advances in Bimetallic Site Catalysts for Photocatalytic Ammonia Synthesis: Synergistic Effects and Design Strategies

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Photocatalytic ammonia synthesis employs photocatalysts to harness solar energy, driving the reduction of N2 into NH3. The synergistic effects of bimetallic active sites are used to overcome limitations of single‐metal systems and optimize electronic structures.
Haibo Guo, Liying Wang, Jingjing Wang, Zhenzhu Cao, Yongfeng Zhang, Ziwei Tong, Zhongchao Bai, Nana Wang   +7 more
wiley   +1 more source

Design of Well‐Defined Meso‐ or Macroporous Carbon Nitride with an Amorphous Framework via Perovskite Fluoride Templating

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ABSTRACT Here, we report a synthetic strategy for meso‐ or macroporous carbon nitride (C3N4) using perovskite‐type metal fluorides (KMF3, M = Co, Ni) as hard templates. The synthesis involves a two‐step thermal treatment. An initial low‐temperature polycondensation of melamine generates polymeric intermediates that stabilize the template/precursor ...
Kazuya Kozumi, Yusuke Asakura, Yusuke Yamauchi   +2 more
wiley   +1 more source

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Polymeric Photocatalysts Based on Graphitic Carbon Nitride

Advanced Materials, 2015
Semiconductor‐based photocatalysis is considered to be an attractive way for solving the worldwide energy shortage and environmental pollution issues. Since the pioneering work in 2009 on graphitic carbon nitride (g‐C3N4) for visible‐light photocatalytic water splitting, g‐C3N4‐based photocatalysis has become a very hot research topic.
Shaowen Cao, Jingxiang Low, Jiaguo Yu
exaly   +3 more sources

A graphitic carbon nitride

Journal of Materials Science Letters, 1990
Synthese de nitrure de carbone, par pyrolyse a haute pression a partir de tetracyanoethylene et de 1,3,5-triazine, et caracterisation des produits obtenus. Influence des conditions de fabrication et du recuit thermique sur la teneur en azote. La structure en couches de type graphite, est pauvrement cristallisee.
T. Sekine, H. Kanda, Y. Bando, M. Yokoyama, K. Hojou   +4 more
openaire   +1 more source