AVS 64th International Symposium & Exhibition
    Applied Surface Science Division Thursday Sessions
       Session AS-ThP

Paper AS-ThP7
Multicomponent Patterned Ultrathin Carbon Nanomembranes by Laser Ablation

Thursday, November 2, 2017, 6:30 pm, Room Central Hall

Session: Applied Surface Science Poster Session
Presenter: Daniel Rhinow, Max Planck Institute of Biophysics, Germany
Authors: D. Rhinow, Max Planck Institute of Biophysics, Germany
N. Frese, Bielefeld University, Germany
J. Scherr, Goethe University Frankfurt, Germany
A. Beyer, Bielefeld University, Germany
A. Terfort, Goethe University Frankfurt, Germany
A. Gölzhäuser, Bielefeld University, Germany
N. Hampp, Philipps Universität Marburg, Germany
Correspondent: Click to Email
Carbon nanomembranes (CNMs) are two-dimensional materials obtained by electron beam-induced crosslinking of self-assembled aromatic precursors. Irradiation of aromatic SAMs with low-energy electrons leads to the formation of graphene-like molecular sheets with a thickness of only 1 nm. CNMs made from a single precursor molecule are in principle uniform. We have developed a method for the fabrication of internally patterned CNMs with locally varying chemical and physical properties. Photothermal patterning of SAMs enables the fabrication of arbitrary structured monolayers with lateral dimensions up to centimeters. We have used direct laser patterning to produce patterned aromatic SAMs, which were subsequently converted to CNMs by electron irradiation. Patterned CNMs have been analyzed by helium ion microscopy (HIM), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Our experiments confirm that the structure of patterned CNM is preserved upon electron-induced crosslinking and transfer to different substrates.