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A durable and scalable anti-oiling coating for solar modules


   Wolfson School of Mechanical, Electrical and Manufacturing Engineering

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  Prof M Walls, Dr T Betts  No more applications being accepted  Funded PhD Project (Students Worldwide)

About the Project

The UK is committed to achieve net zero carbon emissions by 2050. This will require a shift in the way electricity is generated towards the use of renewable sources such as wind and solar. The cost of solar modules has reduced dramatically over the past few years and subsidy-free deployment is expanding rapidly. It is forecast that more than 40GW will be in use in the UK by 2030. Solar assets are financed by professional managers who are concerned by the ongoing operational costs of maintenance that affect power output and the return on investment.

Attention is being drawn to the problem of cover glass soiling that attenuates the light into the module. Soiling can reduce power output by up to 5% in the UK and is a far more serious problem in arid sunbelt regions. Polymer-based hydrophobic anti-soiling coatings have been shown to work in principle, but their durability is currently not sufficient to withstand 24/7 exposure to environmental stresses or to abrasion damage.

The objective of this research project is to develop and test a thin inorganic oxide coating for application to solar cover glass. The hydrophobic coating will be low surface energy to reduce the adhesion to soiling. Its application will reduce the frequency of costly cleaning cycles. The coating will be capable of being applied at industrial scale and its use will significantly improve the practical power output of solar modules.

Find out more

Centre for Renewable Energy Systems Technology


Funding Notes

Please note that studentships will be awarded on a competitive basis to applicants who have applied to this project and other advertised projects starting with advert reference ‘SAM22'
If awarded, the studentship is for 3 years and provides a tax-free stipend of £15,609 per annum for the duration of the studentship plus tuition fees at the UK rate. While we welcome applications from international students, please be advised that it will only be possible to fund the tuition fees at the international rate and no stipend will be available. Successful candidates will be notified end of March 2022.
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