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. 2023 Jan 22;13(2):145. doi: 10.3390/membranes13020145

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Natural graphite flakes’ mechanical (physical) exfoliation to graphene many-layers by adhesive tapes (picture and microscope image are taken in Universidad del Pais Vasco- Euskal Herriko Unibertsitatea—UPV/EHU laboratories, Bilbao, Spain).