نتایج جستجو برای: electrochemical exfoliation

تعداد نتایج: 54133  

Journal: :New Journal of Chemistry 2023

Correction for ‘WS 2 quantum dots harvesting via sonication assisted liquid exfoliation the electrochemical sensing of xanthine’ by Arunkumar Sakthivel et al. , New J. Chem. 2022, 46 17066–17072, https://doi.org/10.1039/D2NJ03446H.

Journal: :Small 2012
Owen C Compton Ali Abouimrane Zhi An Marc J Palmeri L Catherine Brinson Khalil Amine SonBinh T Nguyen

An exfoliation-reassembly-activation (ERA) approach to lithium-ion battery cathode fabrication is introduced, demonstrating that inactive HCoO(2) powder can be converted into a reversible Li(1-x) H(x) CoO(2) thin-film cathode. This strategy circumvents the inherent difficulties often associated with the powder processing of the layered solids typically employed as cathode materials. The delam...

2012
Andrew Richenderfer

Graphene is a two-dimensional form of graphite made up of a single layer of carbon atoms in a honeycomb lattice that has attracted tremendous interest for its novel physical properties. A key challenge that has emerged is how to synthesize large amounts of graphene (large area or mass) at low cost. The objective of this project is to explore an entirely new method to exfoliate graphene from com...

2017
Matěj Velický Peter S Toth Alexander M Rakowski Aidan P Rooney Aleksey Kozikov Colin R Woods Artem Mishchenko Laura Fumagalli Jun Yin Viktor Zólyomi Thanasis Georgiou Sarah J Haigh Kostya S Novoselov Robert A W Dryfe

Weak interlayer interactions in van der Waals crystals facilitate their mechanical exfoliation to monolayer and few-layer two-dimensional materials, which often exhibit striking physical phenomena absent in their bulk form. Here we utilize mechanical exfoliation to produce a two-dimensional form of a mineral franckeite and show that the phase segregation of chemical species into discrete layers...

Journal: :Nanoscale 2014
Partha Khanra Chang-No Lee Tapas Kuila Nam Hoon Kim Min Jun Park Joong Hee Lee

A green approach for the preparation of water-dispersible functionalized graphene via one-step electrochemical exfoliation of graphite using 7,7,8,8-tetracyanoquinodimethane (TCNQ) anions as surface modifiers and electrolytes was described. TCNQ is an organic charge-transfer complex with electron accepting and noteworthy electrical properties. The exfoliation of graphite to a few-layer graphene...

Journal: :Nanoscale 2016
J M Munuera J I Paredes S Villar-Rodil M Ayán-Varela A Martínez-Alonso J M D Tascón

Electrolytic--usually referred to as electrochemical--exfoliation of graphite in water under anodic potential holds enormous promise as a simple, green and high-yield method for the mass production of graphene, but currently suffers from several drawbacks that hinder its widespread adoption, one of the most critical being the oxidation and subsequent structural degradation of the carbon lattice...

2015
Ashok K. Sundramoorthy Yilei Wang Jing Wang Jianfei Che Ya Xuan Thong Albert Chee W. Lu Mary B. Chan-Park

Graphene is a promising candidate material for transparent conductive films because of its excellent conductivity and one-carbon-atom thickness. Graphene oxide flakes prepared by Hummers method are typically several microns in size and must be pieced together in order to create macroscopic films. We report a macro-scale thin film fabrication method which employs a three-dimensional (3-D) surfac...

Journal: :ACS applied materials & interfaces 2014
Andrew Winchester Sujoy Ghosh Simin Feng Ana Laura Elias Tom Mallouk Mauricio Terrones Saikat Talapatra

We report on the electrochemical charge storage behavior of few-layered flakes of molybdenum disulfide (MoS2) obtained by liquid phase exfoliation of bulk MoS2 powder in 1-dodecyl-2-pyrrolidinone. The specific capacitances of the exfoliated flakes obtained using a 6 M KOH aqueous solution as an electrolyte were found to be an order of magnitude higher than those of bulk MoS2 (∼0.5 and ∼2 mF cm(...

Journal: :IOP Conference Series: Materials Science and Engineering 2019

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