Nitrogen-doped Graphene-like Carbon Nanosheets from Commercial Glue: Morphology, Phase Evolution and Li-ion Battery Performance

Devarakonda, Damodar and Kumar, S Krishna and Martha, Surendra Kumar and Deshpande, Atul Suresh (2018) Nitrogen-doped Graphene-like Carbon Nanosheets from Commercial Glue: Morphology, Phase Evolution and Li-ion Battery Performance. Dalton Transactions. ISSN 1477-9226

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Abstract

We report a two-step process to synthesize nitrogen-doped graphene-like carbon nanosheets (N-CNS), using commercially available ethyl cyanoacrylate based super glue as a carbon precursor. In this process, super glue is polymerized in aqueous NaCl solution, followed by carbonization at 1000 °C. The scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM) studies show that the resultant material consists of micron-sized carbon nanosheets with wrinkled morphology. The HRTEM, X-ray diffraction (XRD), XPS and Raman spectroscopic studies confirm the formation of nanocrystalline and graphitic, nitrogen doped carbon nanosheets. Detailed FTIR analysis of the degradation products of the polymeric precursor (polyethyl cyanoacrylate) at various heat treatment temperatures in inert atmosphere reveals that, the polymer undergoes cyclization process similar to polyacrylonitrile (PAN) during carbonization to yield the N-CNS. The N-CNS used as an anode for lithium-ion battery shows stable reversible capacities of 480 mAh g-1 for 100 cycles, which indicates that N-CNS are promising material for lithium-ion battery application. In a broader perspective, unique chemical transformation of polyethyl cyanoacrylate to graphitic carbon may be useful to design new nanostructured carbons for a plethora of applications.

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IITH Creators:
IITH CreatorsORCiD
Martha, Surendra KumarUNSPECIFIED
Deshpande, Atul SureshUNSPECIFIED
Item Type: Article
Subjects: Chemistry
Materials Engineering > Materials engineering
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 17 Jul 2018 05:06
Last Modified: 17 Jul 2018 05:06
URI: http://raiithold.iith.ac.in/id/eprint/4262
Publisher URL: http://doi.org/10.1039/C8DT01787E
OA policy: http://www.sherpa.ac.uk/romeo/issn/1477-9226/
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