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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

It's almost time for Rag procession 2012
2012-01-25

 
This year Rag is bigger and better.

This year’s Kovsie Rag of our universities Bloemfontein Campus promises to stand out head and shoulders above all previous years.

Kovsie Rag and Kovsie Community Service joined hands and is now known as Kovsie Rag Community Service.

For this reason, during this year’s Rag Procession in Heidedal and Mangaung, Kovsie Rag Community Service will distribute food parcels in this community.

The processions in Heidedal and Mangaung will both take place on Saturday 28 January 2012 at 10:00.

In Heidedal participants in the Rag Procession will distribute food parcels at the Twin City Shopping Centre and in Mangaung food parcels will be distributed at the Kenilworth Shopping Centre.

The programme for the Rag Procession is also well underway and first-years are eagerly building floats for this year’s Rag Procession on Saturday 28 January 2012

At 18:00 the main procession will start from the UFS and move to the final destination at Old Greys where DJ Black Coffee and Die Heuwels Fantasties will perform.

For the first time in Rag history, a Mr Rag will this year be crowned together with Miss Rag at the Crowning Ceremony Ball on Friday 3 February 2012.

The purpose of Kovsie Rag Community Service is to raise funds for charity and it is currently the biggest of its kind in South Africa.

“We are in the process of exceeding all expectations” says Pieter Badenhorst, Kovsie Rag officer.

 

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