Professor Monica Craciun Associate Professor in Nanoscience Graphene

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Presentation transcript:

Professor Monica Craciun Associate Professor in Nanoscience Graphene

Graphene – An insight into current research and developments from cutting edge manufacturing to smart information and communication technologies © TATmobile UI Centre for Graphene Science Prof. Monica Craciun

Graphene research at Exeter Prof S. Russo s.russo@Exeter.ac.uk Flexible opto-electronics Prof M.F. Craciun m.f.craciun@Exeter.ac.uk Bio sensing Ink technologies and composites 1 m 10 cm 1 cm 1 mm 10 mm Quantum electronics 1 mm 100 nm 10 nm

Graphene timeline at Exeter 30 min growth time Graphene from adhesive tape <1 mm2 8h growth time 2014 2013 8h growth time Chemical vapour deposition of graphene >0.25 m2 Graphene Inks any surface area Cold wall CVD 2011 1 student working day Chemical vapour deposition > 1 cm2 2010 in collaboration with

How small are our electronic devices and why? Ball Human hair diameter Graphene device Football field : = : 1- Fast electronics 2- Flexible electronics 3- Quantum mechanics

Nano-highways for relativistic electrons We use a collimated beam of high energy electrons to draw our structures Graphene drums can sense the weight of a single atom ! Leverhulme Trust “Quantum Drums” S.Russo (2015-2018)

Our vision for graphene molecular electronics Atomically thin circuit Inside a mobile phone Nowadays technology Exeter’s technology Direct writing of nano-circuits in the insulating host graphene Nano Lett. 11, 3912 (2011) New J. of Phys. 15, 033024 (2013)

How does Graphene compare to other transparent conductors? ITO is a better transparent conductor than graphene, but it is brittle. Plus suppliers Advanced Materials 24, 2844 (2012).

Optical Transparency of >85% FeCl3-intercalated few layer graphene is the best known transparent conductor At Room temperature Rsq ≈ 8/ Optical Transparency of >85% Prof M.F. Craciun m.f.craciun@Exeter.ac.uk Prof S. Russo s.russo@Exeter.ac.uk Advanced Materials 24, 2844 (2012)

Graphexeter stories from 2012 to 2015

GraphExeter on the materials chart FeCl3 intercalated is the best known transparent conductor At Room temperature Rsq ≈ 8/ Optical Transparency of >85% Advanced Materials 24, 2844 (2012).

Invisible multifunctional devices coating any substrate Capacitive touch sensor

Wearable electronics Scientific Reports 5, 9866 (2015)

Flexible and wearable displays Graphene $390 m in 2024 IDTechEX Smart windows $700 m by 2024 Flexible and wearable displays $27 billion by 2023 Touch Display Research Targeted markets IDTechEX Solar cells $20.2 billion by 2018 Replacement of Indium Tin Oxide £8.1 billion by 2021 GAMECHANGER Touch screens $14 billion by 2016 Display search 2014 Global Market for Alternative Photovoltaic Solar Cell Technologies Touch Display Research

Commercialization of graphexeter Prof M.F. Craciun m.f.craciun@exeter.ac.uk Prof S. Russo s.russo@exeter.ac.uk Dr Laureline Mahe l.s.a.mahe@exeter.ac.uk http://www.exeter.ac.uk/business/consulting/graphene/

Many thanks to… Some industrial partners: Funding agencies: Post-docs: Aziz Mohsin Dominique Wehenkel Ana Neves Laureline Mahe Iddo Amit International Collaborators Prof S. Russo s.ruso@Exeter.ac.uk PhD students: Gareth Jones Adolfo De Sanctis Elias Torres Saad Ramhadan Selim Unal Nicola Townsend Tom Bointon Jake Mehew Matthew Barnes Tobias Octon Mukond Khetani Some industrial partners: Funding agencies: