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Issue 3, 2019
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Pulsed-grown graphene for flexible transparent conductors

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Abstract

In the race to find novel transparent conductors for next-generation optoelectronic devices, graphene is supposed to be one of the leading candidates, as it has the potential to satisfy all future requirements. However, the use of graphene as a truly transparent conductor remains a great challenge because its lowest sheet resistance demonstrated so far exceeds that of the commercially available indium tin oxide. The possible cause of low conductivity lies in its intrinsic growth process, which requires further exploration. In this work, I have approached this problem by controlling graphene nucleation during the chemical vapor deposition process as well as by adopting three distinct procedures, including bis(trifluoromethanesulfonyl)amide doping, post annealing, and flattening of graphene films. Additionally, van der Waals stacked graphene layers have been prepared to reduce the sheet resistance effectively. I have demonstrated an efficient and flexible transparent conductor with the extremely low sheet resistance of 40 Ω sq−1, high transparency (Tr ∼90%), and high mechanical flexibility, making it suitable for electrode materials in future optoelectronic devices.

Graphical abstract: Pulsed-grown graphene for flexible transparent conductors

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Publication details

The article was received on 30 Aug 2018, accepted on 01 Jan 2019 and first published on 02 Jan 2019


Article type: Paper
DOI: 10.1039/C8NA00181B
Citation: Nanoscale Adv., 2019,1, 1215-1223
  • Open access: Creative Commons BY-NC license
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    Pulsed-grown graphene for flexible transparent conductors

    P. K. Nayak, Nanoscale Adv., 2019, 1, 1215
    DOI: 10.1039/C8NA00181B

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