Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session K04: Physical Phenomena at Polymer/2D Material Interfaces
3:00 PM–5:48 PM,
Tuesday, March 7, 2023
Room: Room 127
Sponsoring
Unit:
DPOLY
Chair: Gregory Doerk, Brookhaven National Laboratory
Abstract: K04.00002 : Revisiting 2D materials fabrication with a fully mechanized platform*
3:36 PM–4:12 PM
Presenter:
Suji Park
(Brookhaven National Laboratory)
Authors:
Suji Park
(Brookhaven National Laboratory)
Houk Jang
(Brookhaven National Lab)
Kevin G Yager
(Brookhaven National Laboratory)
Gregory S Doerk
(Brookhaven National Laboratory)
Aaron Stein
(Brookhaven National Lab)
Jerzy Sadowski
(Brookhaven National Lab)
Charles T Black
(Brookhaven National Laboratory)
First, a fully mechanized exfoliation platform, or "exfoliator," employing pressure-sensitive adhesive (PSA) tape in a roller assembly can control the entire exfoliation process instead of human hands. This roller assembly can independently regulate various rolling and peeling conditions and allows us to study physical mechanisms in tape exfoliation. Second, a mechanized dry transfer platform, "stacker," can manipulate substrate and stamp movement in 3- and 6-axis, respectively. It enables us to develop a transfer technique to fabricate high-quality 2D heterostructures with clean interfaces. In this talk, I will discuss the underlying mechanisms of tape exfoliation and dry transfer studied with the QPress facility.
*This research used Quantum Material Press (QPress) of the Center for Functional Nanomaterials (CFN), which is a U.S. Department of Energy Office of Science User Facility, at Brookhaven National Laboratory under Contract No. DE-SC0012704.
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