Large-area graphene on polymer film for flexible and transparent anode in field emission device

Verma, Ved Prakash; Das, Santanu; Lahiri, Indranil; Choi, Wonbong
May 2010
Applied Physics Letters;5/17/2010, Vol. 96 Issue 20, p203108
Academic Journal
We present the fabrication and electrical characterization of large graphene structure on polyethylene terephthalate (PET) flexible substrate. Graphene film was grown on Cu foil by thermal chemical vapor deposition and transferred to PET by using hot press lamination. The graphene/PET film shows high quality, flexible transparent conductive structure with unique electrical-mechanical properties; ∼88.80% light transmittance and ∼1.1742 kΩ/sq sheet resistance. We demonstrate application of graphene/PET film as flexible and transparent electrode for field emission displays. Our proposed techniques can be tailored for any flexible substrate and large scale production, which could open up exciting device applications in foldable electronics.


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