Sub-terahertz frequency-domain spectroscopy reveals single-grain mobility and scatter influence of large-area graphene.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 25787669.
- Also identified by DOI 10.1002/adma.201500599.
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Abstract
The response of individual domains in wafer-sized chemical vapor deposition graphene is measured by contactless sub-terahertz interferometry, observing the intrinsic optical conductance and reaching very high mobility values. It is shown that charged scatterers limit the mobility, validating previous theoretical predictions, and sub-terahertz quality assessment is demonstrated, as necessary for large-scale applications in touchscreens, as well as wearable and optoelectronic devices.
Medical subject headings
- Graphite