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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

Kovsie first-years get ready for great things
2011-01-16

Prof. Jonathan Jansen (Vice-Chancellor and Rector of the UFS) with two of the first-year students.
- Photo: Lize-Mare Smit

“One thing I can assure you: here academic work comes first.” This was how Prof. Jonathan Jansen, Vice-Chancellor and Rector of the University of the Free State (UFS), set first-years parents’ minds at ease during the welcoming events of the first-years on the Main Campus the past weekend. 

The welcoming events, which took place over two days, were attended by a total of 7 000 first-years and their parents from across the country. 
 
Prof. Jansen also told the students and their parents that they were at the best place, by sharing his excitement about all the new students who decided to come and study at Kovsies. “You have overcome major obstacles in order to be here today,” he said at the welcoming.
 
With more than 90% new students who comply with admission requirements, this group of students promises to become true leaders of South Africa.
 
Prof. Jansen shared a few plans for the year with the audience. “As in 2010, we shall once again send a group of first-year students to universities later this year, not only in America, but amongst others also to Europe and Asian countries, amongst others, to learn more about different cultures and diversity. We aim to double the number of students who will be selected to 150 this year.” We can also look forward to, amongst others, a brand-new entrance and gymnasium for the Main Campus and four new hostels, two of which will be built on the Qwaqwa Campus.
 
Prof. Jansen emphasised the seriousness with which academic work had to be regarded, by referring to the compulsory class attendance that was implemented last year. “Since the inception of this arrangement in 2010, there was a 30% increase in students’ pass rate,” he said.
 
This year, for the first time, honorary awards were also given to young people who had rendered an exceptional service to the community. Anél Kleingeld, a 10-year-old learner from Trompsburg, and Mpho Phahlo from the UFS’s Unit for Students with Disabilities proudly received these awards. Anél made a remarkable contribution to George’s community when she encouraged learners from her` school to collect and deliver 700 litres of water for this community. Mpho made a point of assisting and motivating persons with disabilities at Kovsies to work hard on a daily basis.
 
 

 

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