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Journal article
Dispersion and Stabilization of Alkylated 2D MXene in Nonpolar Solvents and Their Pseudocapacitive Behavior
Cell reports physical science, Vol.1(4), p100042
22 Apr 2020
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
To date, MXene dispersions have been mostly limited to polar solvents. Here, we show that when the lithium cations present between MXene multilayers after etching are exchanged with di(hydrogenated tallow)benzyl methyl ammonium chloride (DHT), they become organophilic and form highly stable colloidal suspensions in nonpolar solvents. The rapid cation exchange occurs under ambient conditions and the resulting two-dimensional flakes are weli dispersed and remain oxide free. A 142 +/- 0.7-mu m thick film (approximate to 10 mg . cm(-2)) made from a DHT-Ti3C2Tz suspension in toluene exhibits pseudocapacitive behavior, with a apacitance of 305 F . g(-1) at a scan rate 2 mV . s(-1). The moduli and tensile strengths of solution-processed polyethylene nanocomposites are increased by approximate to 11% and 32% with a loading of approximate to 1 vol% DHT-Ti3C2Tz. Our approach may enable the use of MXenes in multiple research and industrial fields.
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Details
- Title
- Dispersion and Stabilization of Alkylated 2D MXene in Nonpolar Solvents and Their Pseudocapacitive Behavior
- Creators
- Michael Carey - Drexel UniversityZachary Hinton - Drexel UniversityVarun Natu - Drexel UniversityRahul Pai - Drexel UniversityMaxim Sokol - Drexel UniversityNicolas J. Alvarez - Drexel UniversityVibha Kalra - Drexel UniversityMichel W. Barsoum - Drexel University
- Publication Details
- Cell reports physical science, Vol.1(4), p100042
- Publisher
- Elsevier
- Number of pages
- 17
- Grant note
- DMR 1740795 / Division of Materials Research of the National Science Foundation (NSF); National Science Foundation (NSF)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; Chemical and Biological Engineering
- Identifiers
- 991019168039704721
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- Web of Science research areas
- Chemistry, Multidisciplinary
- Energy & Fuels
- Materials Science, Multidisciplinary
- Physics, Multidisciplinary