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BY 4.0 license Open Access Published by De Gruyter Open Access December 30, 2021

Nanofabrication route to achieve sustainable production of next generation defect-free graphene: analysis and characterisation

Shikhar Misra, Nirmal Kumar Katiyar, Arvind Kumar, Saurav Goel and Krishanu Biswas
From the journal Nanofabrication


In the past two decades, graphene has been one of the most studied materials due to its exceptional properties. The scalable route to cost-effective manufacture defect-free graphene has continued to remain a technical challenge. Intrinsically defect-free graphene changes its properties dramatically, and it is a challenging task to control the defects in graphene production using scaled-down subtractive manufacturing techniques. In this work, the exfoliation of graphite was investigated as a sustainable low-cost graphene manufacturing technique. The study made use of a simple domestic appliance e.g., a kitchen blender to churn graphene in wet conditions by mixing with N-Methyl-2-pyrrolidone (NMP). It was found that the centrifugal force-induced turbulent flow caused by the rotating blades exfoliates graphite flakes to form graphene. The technique is endowed with a high yield of defect-free graphene (0.3 g/h) and was deemed suitable to remove 10% fluoride content from the water and color absorption from fizzy drinks.


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Received: 2021-10-11
Accepted: 2021-11-04
Published Online: 2021-12-30

© 2021 Shikhar Misra et al., published by De Gruyter

This work is licensed under the Creative Commons Attribution 4.0 International License.

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