Article history: Carbon nanomembranes (CNMs) are a class of two-dimensional materials, which are obtained by elec- Received 5 May 2017 tron beam-induced crosslinking of aromatic self-assembled monolayers (SAMs) on solid substrates. CNMs Received in revised form 25 July 2017 made from a single type of precursor molecule are uniform with homogeneous chemical and physical Accepted 31 July 2017 properties. We have developed a method for the fabrication of internally patterned CNMs resembling a Available online 5 August 2017 key feature of biological membranes. Direct laser patterning is used to obtain multicomponent patterned SAMs on gold, which are subsequently crosslinked by electron irradiation. We demonstrate that the struc- Keywords: ture of internally patterned CNMs is preserved upon transfer to different substrates. The method enables Two-dimensional materials rapid fabrication of patterned 2D materials with local variations in chemical and physical properties on Scanning electron microscopy the micrometer to centimeter scale. Helium ion microscopy © 2017 Elsevier B.V. All rights reserved. X-ray photoelectron spectroscopy Self-assembly Laser patterning 1. Introduction It has been shown that SAMs of aromatic thiols can be crosslinked by irradiation with low-energy electrons . Upon A technologically interesting feature of biological membranes removal of the gold substrate, 1 nm
Applied Surface Science – Elsevier
Published: Jan 1, 2018
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