£1.3m EPSRC grant enables large scale graphene production at Nottingham

24 Apr 2013 15:40:11.057

£1.3m of funding from the Engineering and Physical Sciences Research Council (EPSRC) will be used to buy a new molecular beam epitaxy (MBE) system for The University of Nottingham.

The system will enable the growth of high quality, large area layers of graphene and boron nitride for electronic and optoelectronic applications — such as diodes and transistors — on a much larger scale than was previously possible. This is because the new system is able to reach much higher temperatures than existing systems currently at the University. 

Dr Sergei Novikov, principal research fellow in the Faculty of Science, is part of the team which successfully applied for the EPSRC funding. He said: “This is a step towards real options to produce graphene and boron nitride layers in a controlled way that could be used in production and engineering. We anticipate that graphene-based heterostructures grown by MBE will have a long-term impact by unlocking the full potential of graphene in electronics and optoelectronics.

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Nobel Prize for physics

The discovery of graphene and its electronic properties by Geim, Novoselov and colleagues at the University of Manchester in 2004 has provided scientists and engineers with a material system for revolutionising electronics and optoelectronics. This work resulted in the Nobel Prize in Physics for the Manchester group in 2010.

Dr Novikov said: “The Manchester group, in collaboration with one of the Nottingham team, Laurence Eaves, recently realised a new type of graphene transistor architecture, namely a field-effect transistor based on quantum tunnelling between a graphene electrode through a thin boron nitride barrier. Now we know it’s possible to make useful devices, it needs to be scaled up — and we believe that MBE is the tool to do it.”

Dr Novikov believes the impact of MBE systems will grow in the future and this acquisition will ensure that he and his colleagues are at the forefront of developments in graphene science and technology.

Molecular beam epitaxy

He said: “There are two well-established methods to grow epitaxial material, namely chemical vapour deposition (CVD) and molecular beam epitaxy (MBE). CVD is currently used world-wide to prepare graphene films. However, MBE has potential advantages for thin film growth with abrupt interfaces and monolayer control of thickness, composition and doping.

“Growth of graphene-based heterostructures will open up many new possibilities. Up to now MBE has not been extensively studied for the growth of graphene, because existing commercial systems are not suitable for the temperature range needed for epitaxial graphene films. We will develop a custom-designed system for the growth of graphene/boron nitride heterostructures, which will be unique.”

This new technology will be housed in the University’s School of Physics and Astronomy.

Training for two PhD students

The University is contributing an additional £240,000 to fund installation of the new MBE system, the running costs and consumables, and PhD studentships relating to the MBE system and graphene research.

Dr Novikov said: “The project will provide training for two PhD students, thus providing the first cohort of researchers who can support expansion of graphene research in the UK both in academia and industry. We will also share information on the growth and technology of graphene/boron nitride by MBE with interested groups in UK universities and industry, which will further enhance the UK capability in emerging graphene technologies.”

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Notes to editors: The University of Nottinghamhas 42,000 students at award-winning campuses in the United Kingdom, China and Malaysia. It was ‘one of the first to embrace a truly international approach to higher education’, according to the Sunday Times University Guide 2013. It is also one of the most popular universities among graduate employers, one of the world’s greenest universities, and winner of the Times Higher Education Award for ‘Outstanding Contribution to Sustainable Development’. It is ranked in the UK’s Top 10 and the World’s Top 75 universities by the Shanghai Jiao Tong and the QS World Rankings.

More than 90 per cent of research at The University of Nottingham is of international quality, according to the most recent Research Assessment Exercise. The University aims to be recognised around the world for its signature contributions, especially in global food security, energy & sustainability, and health. The University won a Queen’s Anniversary Prize for Higher and Further Education for its research into global food security.

Impact: The Nottingham Campaign, its biggest ever fundraising campaign, will deliver the University’s vision to change lives, tackle global issues and shape the future. More news

Story credits

More information is available from Dr Sergei Novikov, Faculty of Science at The University of Nottingham, on +44 115 951 5138,sergei.novikov@nottingham.ac.uk.

Fraser Wilson - Communications Officer

Email: fraser.wilson@nottingham.ac.uk Phone: +44 (0)115 846 6691 Location: University Park

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