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05 June 2019 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Lucas Erasmus and Prof Hendrik Swart
Lucas Erasmus and Prof Hendrik Swart (right) are working on a joint project with Ghent University to find an attractive solution to address the energy demands of buildings, electric motor vehicles, and mobile electronics.

With a constant increase in the price of electricity, any innovation to replace this necessity in our daily lives is welcome. 

The University of the Free State (UFS), whose vision is supported by an element of innovation, welcomes the recent agreement between its Department of Physics and Ghent University.

Attractive solution


Not only will this research – which aims to develop the materials necessary for transparent solar panels – enlarge the international research footprint of the UFS, but it is also an attractive solution to address the energy demands of buildings, electric motor vehicles, and mobile electronics without affecting their appearance.

According to Prof Hendrik Swart, from the UFS Department of Physics, the agreement between the two universities entails a joint doctoral degree in which both universities will supervise the project and the awarding of the doctorate. The student, Lucas Erasmus, will conduct research at both institutions.

Transparent solar panel

The idea with the research is to develop glass that is transparent to visible light, just like the glass you find in the windows of buildings, motor vehicles, and mobile electronic devices. However, by incorporating the right phosphor materials inside the glass, the light from the sun that is invisible to the human eye (ultraviolet and infrared light) can be collected, converted, and concentrated to the sides of the glass panel where solar panels can be mounted. This invisible light can then be used to generate electricity to power these buildings, vehicles, and electronic devices. The invention is therefore a type of transparent solar panel.

Implemented in cellphone screens

This technology can be implemented in the building environment to meet the energy demands of the people inside the buildings. 

The technology is also good news for the 4,7 billion cellphone users in the world, as it can be implemented in the screens of cellphones, where the sun or the ambient light of a room can be used to power the device without affecting its appearance. 

Another possible application is in electric cars, where the windows can be used to help power the vehicle.

Low-income housing

Erasmus added: “We are also looking at implementing this idea into hard, durable plastics that can act as a replacement for zinc roofs.” 

“This will allow visible light to enter housing, and the invisible light can then be used to generate electricity. The device also concentrates the light from a large area to the small area on the sides where the solar panels are placed; therefore, reducing the number of solar panels needed and, in return, reducing the cost.”

The technology will take about a decade to implement.

“This study is currently ongoing, and we are experimenting and testing different materials in order to optimise the device in the laboratory. After this, it needs to be upscaled in order to test it in the field. It is truly the technology of the future,” said Erasmus.

Video: Barend Nagel

News Archive

Mandela Day celebrated with R5 coin laying
2012-07-09

On 18 July 2012, the University of the Free State (UFS), in partnership with Pick n Pay Hyper in Bloemfontein, will celebrate Nelson Mandela Day with a special R5 coin laying ceremony.

The festivities kick off at 12:00 on the Red Square at the Bloemfontein Campus.

Emeritus Archbishop Desmond Tutu will make a special appearance at this event and also deliver a short message.

Schools in the vicinity, UFS staff and students and the public are invited to take part in the coin laying ceremony.

Ms Marissa van Jaarsveld, the coordinator of the Nelson Mandela Day celebrations at the UFS, says the money collected at the event will be used to benefit the No Student Hungry (NSH) campaign, as well as Bloemfontein Child Welfare. NSH is an organisation on the Bloemfontein Campus that provides food bursaries to hungry students with good academic records.

Requests have been sent to schools to collect R5 coins for the event and representatives from the schools will attend the coin-laying.

These schools will be acknowledged for their contributions and there are prizes up for grabs for the primary and high schools that collect the most money.

Learners will deposit their coin contributions during the 67 Minute programme of giving back to the community and they will take part in fun activities. Participating schools are encouraged to be as creative as possible when handing over their R5 contributions.

On the day, there will also will be people with tins at the main entrances to the university for those who want to make a contribution.

The NSH-campaign will also show its support for eradicating world hunger on this day by helping Pick n Pay Hyper in Bloemfontein to package food parcels for the Stop Hunger Now campaign. The packaging of the food parcels will also take place at the UFS.

Members of the public and the media are invited to attend the festivities.
 

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