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. 2018 Jun 15;4(6):eaat0491. doi: 10.1126/sciadv.aat0491

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1 — (A) Structure of a Ti₃C₂T_x monolayer. Yellow spheres, Ti; black spheres, C; red spheres, O; gray spheres, H. (B) Scheme of the polydimethylsiloxane (PDMS)–assisted transfer of MXene flake on a Si/SiO₂ substrate with prefabricated microwells. See text for details. (C) SEM image of a Ti₃C₂T_x flake covering an array of circular wells in a Si/SiO₂ substrate with diameters of 0.82 μm. (D) Noncontact AFM image of Ti₃C₂T_x membranes. (E and F) Height profiles along the dashed blue (E) and red (F) lines shown in (D).