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Large scale synthesis of reduced graphene oxide using ferrocene and HNO3

Sa, Kadambinee and Mahakul, Prakash C and Das, Bamadev and Subramanyam, B V R S and Mukherjee, Jonaki and Saha, Sunirmal and Raiguru, Jagatpati and Patra, Khirod C and Nanda, Karuna K and Mahanandia, Pitamber (2017) Large scale synthesis of reduced graphene oxide using ferrocene and HNO3. In: MATERIALS LETTERS, 211 . pp. 335-338.

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Official URL: http://doi.org/10.1016/j.matlet.2017.10.031

Abstract

Herein, a simple, cheap and easily scaled-up procedure to obtain reduced graphene oxide from exfoliated graphene oxide using ferrocene and HNO3 is reported. Raman spectroscopy and X-ray photoelectron spectroscopy (XPS) studies show increased number of sp(2) domains in the rGO. The rGO shows specific surface area of similar to 369 m(2) g(-1) and is stable till 700 degrees C. The measured specific capacitance of rGO is 106.5 F/g ensures that the rGO is promising material for electrochemical double layer capacitors. The magnetic hysteresis loop of rGO reveals diamagnetic behavior. The reduction mechanism for the synthesis of rGO using ferrocene and HNO3 has been proposed. We hope this approach might facilitate scalable production of high-quality rGO sheets which could lead to future industrial graphene based devices for various applications. (C) 2017 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Depositing User: Id for Latest eprints
Date Deposited: 24 Nov 2017 10:21
Last Modified: 24 Nov 2017 10:21
URI: http://eprints.iisc.ac.in/id/eprint/58289

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