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Adv Mater. 2014 Feb;26(7):1081-6. doi: 10.1002/adma.201304156. Epub 2013 Dec 11.

Tuning optical conductivity of large-scale CVD graphene by strain engineering.

Author information

  • 1Department of Physics, 2 Science Drive 3, National University of Singapore, Singapore, 117542; Graphene Research Centre, 6 Science Drive 2, National University of Singapore, Singapore, 117546; NanoCore, 4 Engineering Drive 3, National University of Singapore, Singapore, 117576.

Abstract

A controllable optical anisotropy in CVD graphene is shown. The transparency in the visible range of pre-strained CVD graphene exhibits a periodic modulation as a function of polarization direction. The strain sensitivity of the optical response of graphene demonstrated here can be effectively utilized towards novel ultra-thin optical devices and strain sensing applications.

KEYWORDS:

CVD graphene; Kubo-Greenwood formalism; optical conductivity; optical elements; strain

PMID:
24327432
DOI:
10.1002/adma.201304156
[PubMed - indexed for MEDLINE]
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