Journal
NANOTECHNOLOGY
Volume 29, Issue 38, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aacf85
Keywords
graphene; laser-growth; graphite
Funding
- Operational Programme 'Competitiveness, Entrepreneurship and Innovation' (NSRF) [MIS 5002556]
- Greece (European Regional Development Fund)
- European Union (European Regional Development Fund)
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Laser processing of carbon compounds towards the formation of graphene-based structures gains ground in view of the practicality that lasers offer against other conventional graphene preparation methods. The current work explores the viability of low-cost lasers, operating at ambient conditions, for the transformation of various graphitic materials to structures with graphene-like atomic arrangements. Starting materials are at two opposing sides. On one side stands the typical graphite crystal with Bernal stacking and strong sp(2) character, while nanocrystalline graphitic powders are also investigated. It is demonstrated that graphene-like structures can be prepared either by starting from a well-organized Bernal-stacked network or by irradiating nanocrystalline carbon. The current findings document that laser processing at minimal chamber conditions shows high potential for preparing high-quality graphene-based structures starting from low-cost materials. Apart from being scalable, the proposed method is adaptable to current technological platforms emerging as a viable and eco-friendly graphene production technology.
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