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Using Patterned Self-Assembled Monolayers to Tune Graphene-Substrate Interactions
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DOI：10.1021/acs.langmuir.1c01136.png)
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Abstract
En 中文
Graphene has unique mechanical, electronic, and optical properties that make it of interest for an array of applications. These properties can be modulated by controlling the architecture of graphene and its interactions with surfaces. Self-assembled monolayers (SAMs) can tailor graphene-surface interactions; however, spatially controlling these interactions remains a challenge. Here, we blend colloidal lithography with varying SAM chemistries to create patterned architectures that modify the properties of graphene based on its chemical interactions with the substrate and to study how these interactions are spatially arrayed. The patterned systems and their resulting structural, nanomechanical, and optical properties have been characterized using atomic force microscopy, Raman and infrared spectroscopies, scattering-type scanning near-field optical microscopy, and X-ray photoelectron spectroscopy.
Keywords:
THERMAL-EXPANSION COEFFICIENT
SUSPENDED GRAPHENE
FRICTION
SPECTROSCOPY
STRAIN
CHEMISTRY
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