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Laser direct transfer of CVD graphene by NTUA

Updated: Oct 15, 2021

Few words: for the Leaf-2D project, researchers from the Materials Laser Microprocessing (MLMP) group of the National Technical University of Athens (NTUA), School of Applied Mathematical and Physical Sciences, Physics Department, performed and accomplished transfer of CVD graphene with a laser system consisting of a laser source at 355 nm with nanosecond pulse duration and a custom-made vacuum cage. The experiments were carried out under reduced pressure conditions. The quality of the transferred graphene pixels was examined with Scanning Electron Microscopy (SEM) and micro-Raman spectroscopy. The deposition of graphene was tested on two different types of receiver substrates, a rigid and a flexible one. The experimental results were corroborated with state-of-art quantum mechanical simulations by the NTUA Theory group of LEAF-2D. The simulations elucidated a number of key atomic-scale processes which enable the defect-free laser-induced transfer of graphene.

The work of the Laser-Induced Forward Transfer of CVD graphene was recently published in the Journal of 2D Materials.

Published work:

“A direct transfer solution for digital laser printing of CVD graphene”

Symeon Papazoglou et al 2021 2D Mater. 8 045017.

DOI: 10.1088/2053-1583/ac1ab6

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