Results 21 to 30 of about 107,974 (298)

Scalable solid-phase synthesis of defect-rich graphene for oxygen reduction electrocatalysis

open access: yesGreen Energy & Environment, 2023
Defect-engineered carbon materials have been emerged as promising electrocatalysts for oxygen reduction reaction (ORR) in metal-air batteries. Developing a facile strategy for the preparation of highly active nanocarbon electrocatalysts remains ...
Chunxiao Dong   +6 more
doaj   +1 more source

Preparation of carbon nitride films from g-C3N4 by ion-beam-assisted deposition

open access: yesMechanical Engineering Journal, 2019
Carbon nitride has noteworthy properties including high hardness levels. If the c-C3N4 or β-C3N4 structure can be synthesized, then hardness levels higher than that of diamond can be obtained.
Ippei TANAKA   +3 more
doaj   +1 more source

Theoretical Study of Nonlinear Optical and Electronic Properties of Trigonal Carbon-Boron-Nitride Nano Flake [PDF]

open access: yesشیمی کاربردی روز, 2018
In this research, the nonlinear optical and electronic properties of trigonal carbon-boron-nitride nano flake (C40B3N3H18) are investigated through density functional theory (DFT) calculations. Recently, synthesis and studying properties of hybrid carbon-
ehsan shakerzadeh
doaj   +1 more source

Nano- and Macrotribological Properties of Nanoperiod Multilayer Films Deposited by Bias Sputtering

open access: yesJournal of Nanotechnology, 2012
Carbon and boron nitride nanoperiod (C/BN)n, boron nitride and carbon (BN/C)n, carbon nitride and boron nitride nanoperiod (CN/BN)n, and boron nitride and carbon nitride (BN/CN)n ]multilayer films with a 4-nm-period multilayer structure were deposited by
Shojiro Miyake, Mei Wang
doaj   +1 more source

Nano- and microsized heterodiamonds obtained from mixtures of carbon nitride and melamine with boron [PDF]

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2017
The paper presents experimental results of the synthesis under high pressure and temperature conditions of individual nano- and micron-sized heterodiamond crystals from mixtures of carbon nitride and melamine with boron.
V.P. Filonenko   +2 more
doaj   +1 more source

Enhanced dispersibility of graphitic carbon nitride particles in aqueous and organic media via a one-pot grafting approach [PDF]

open access: yes, 2017
A facile route to synthesize hydrophilically or hydrophobically grafted graphitic carbon nitride (g-CN) is reported. For this purpose, functionalized olefinic molecules with a low polymerization tendency are utilized for grafting onto the surface to ...
Antonietti, M., Kumru, B., Schmidt, B.
core   +1 more source

A Brief Review on Syntheses, Structures and Applications of Nanoscrolls [PDF]

open access: yes, 2014
Nanoscrolls are papyrus-like nanostructures which present unique properties due to their open ended morphology. These properties can be exploited in a plethora of technological applications, leading to the design of novel and interesting devices.
Galvao, D. S., Machado, L. D., Perim, E.
core   +3 more sources

Graphitic Carbon Nitride: A Highly Electroactive Nanomaterial for Environmental and Clinical Sensing

open access: yesSensors, 2020
Graphitic carbon nitride (g-C3N4) is a two-dimensional conjugated polymer that has attracted the interest of researchers and industrial communities owing to its outstanding analytical merits such as low-cost synthesis, high stability, unique electronic ...
Azeez O. Idris   +5 more
doaj   +1 more source

Dichloromethylation of enones by carbon nitride photocatalysis

open access: yes, 2020
Small organic radicals are ubiquitous intermediates in photocatalysis and are used in organic synthesis to install functional groups and to tune electronic properties and pharmacokinetic parameters of the final molecule.
Antonietti, M.   +4 more
core   +1 more source

Dispersion strengthening in vanadium microalloyed steels processed by simulated thin slab casting and direct charging: Part I - Processing parameters, mechanical properties and microstructure [PDF]

open access: yes, 2007
A study simulating thin slab continuous casting followed by direct charging into an equalisation furnace has been undertaken based on six low carbon (0.06wt-%) vanadium microalloyed steels.
Baker, T.N.   +5 more
core   +1 more source

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