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PhD studentship: Tuneable Plasmonic Metamaterials

University of Bristol

Qualification Type: PhD
Location: Bristol
Funding for: UK Students, EU Students
Funding amount: 3.5 years at the UKRI rate (currently £15,609 per annum for 2021/22)
Hours: Full Time
Placed On: 1st December 2021
Closes: 31st March 2022

The project:

The development of new plasmonic metamaterials is important for a wide range of applications such as biomedical imaging, molecular sensing and analysis, environmental monitoring, photo-catalysis, broadband light trapping, photovoltaics, and electrochromic devices. Multifunctional plasmonic materials with reversibly controlled optical properties, multiple colours, and specular reflections are of particular interest. The properties of plasmonic metasurfaces are usually fixed by physical configuration (design) such as the chemical composition of the material, shape, size, and periodicity. Designing metamaterial with dynamic and tunable properties in the UV to NIR range that can reversibly change size or composition could have a transformative impact on the field of plasmonic and inspire a range of new applications.

The PhD project will explore processes and methods for controlling reversibly plasmonic behavior by using electrochemistry, physical and chemical deposition, nanolithography, etc. Development of bimetallic and metal-dielectric metasurfaces by changing their chemical composition, configuration (overlayers, random and phase separated alloys), dielectric properties, and geometry (size, shape and spatial ordering) will be aided by theoretical modelling and numerical Finite difference time-domain (FDTD) simulations. The PhD project will include applications of designed structures in the areas of surface-enhanced (electro)catalysis, bio-sensing and nanoscale control over chemical reactions by ‘hot electrons’ generated by surface plasmon excitations.

How to apply:

Please make an online application for this project at http://www.bris.ac.uk/pg-howtoapply. Please select Physics (PhD) on the Programme Choice page. You will be prompted to enter details of the studentship in the Funding and Research Details sections of the form. Please make sure you include the title of studentship and the contact supervisor in your Personal Statement.

Candidate requirements: 

Candidates should have completed an undergraduate degree (minimum 2(i) honours or equivalent) in Physics or equivalent. Chemistry knowledge is desirable.

Funding: This studentship is fully funded under the EPSRC Doctoral Training Partnership. Funding will cover tuition fees at the UK student level and an annual stipend for up to three and half years at the standard UKRI stipend rate (currently £15,609 per annum for 2021/22).

Contacts: Dr Natasa Vasiljevic (n.vasiljevic@bristol.ac.uk) and Dr Andrei Sarua (a.sarua@bristol.ac.uk)

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