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A Brighter Future for Solar Energy

By atesmeh | September 11, 2013

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Researchers at Northumbria University are investigating new sunlight-harnessing materials that could help meet the world’s future energy needs.

The research team, led by Dr Ian Forbes, is exploring thin film photovoltaic (PV) technology based on kesterite – Copper-Zinc-Tin Sulphide crystal structure – materials that are less expensive and more widely available than materials currently used in PV panels.

If found to be effective, kesterites could revolutionise the solar energy market, expanding the capacity of energy produced from sunlight to satisfy the growing global energy demand.

Northumbria’s research is part of a wider €3.7m European KESTCELL project that aims to train researchers to develop kesterite-based solar energy cells that would make solar-generated electricity more sustainable and competitive.

Dr Forbes and his colleague Professor Nicola Pearsall will explain their research into Kesterite materials during a session at the British Science Festival this week. Their interactive talk, entitled ‘A Brilliant Future: how sunlight will wave goodbye to our fossilised past’, emphasises the potential of solar energy to replace the world’s dependence on fossil fuels.

Dr Forbes, Research Fellow at Northumbria University, said: “More solar energy falls on the earth’s surface in one hour than the entire global population uses in a year. It is important that we increase our capabilities of using the sun as an energy source. In order to do this, research is needed to find the best performing thin film technology that is capable of being cheaply manufactured, bringing down the price of photovoltaic energy.

“The goal of the KESTCELLS project is to increase our understanding of these new kesterite materials, measure its efficiency and investigate production scales and whether it can be manufactured en mass.”

Northumbria University is a member of the KESTCELLS consortium, made up of key European universities, research institutions and companies, tasked with developing PV technologies – based on new kesterite materials – that will be low cost, efficient, sustainable and easily mass produced. The aim is that PV technologies will become a reliable and future alternative to non-renewable energy sources. To achieve this goal, consortium members are creating a training network of researchers to become experts in the development, design and assessment of thin film PV technologies based on kesterite materials.

Earlier this year Pepe Márquez, a Chemistry graduate from the University of Seville, Spain, joined Northumbria as an early stage researcher under Dr Forbes’ supervision.

Pepe, who is studying the effectiveness of kesterites for his PhD, will also present his initial research into the material at the British Science Festival. He said: “Sun energy is going to be here forever and it has the potential to cover all of the energy needs of the planet. We just need to develop the technology to transform the energy into electricity.

“This new kesterite-based technology has great potential in terms of cost effectiveness for the photovoltaic market. We are working with incredibly thin technology – 50 times thinner than a single strand of hair – using microscopic quantities of copper, zinc and tin which makes the panels cheap and capable of being mass produced.”

Northumbria, the only UK university to be part of the KESTCELLS project, has been a leading name in photovoltaic research for more than two decades, providing expert research and consultancy services for industrial and commercial projects. The University’s Northumberland Building was the first building in the UK to be fitted with a solar panel facade.

For more information visit http://www.kestcells.eu.


Filed Under: Rapid prototyping

 

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