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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

UFS lays criminal charges against students
2008-02-28

Statement by Mr Anton Fisher, Director: Strategic Communication at the University of the Free State (UFS)

The management of the University of the Free State (UFS) has today instructed its attorneys to formulate criminal charges against four students who were involved in the production of an extremely offensive and racist video.

This follows other action taken late yesterday to prohibit two of the four students from the Reitz men’s residence from the campus. The other two students who can be seen in the video have since completed their studies and are no longer on campus.

Further steps are in the pipeline as the internal disciplinary procedure of the university must also take its course.

The Rector and Vice-Chancellor of the UFS, Prof. Frederick Fourie, has condemned the video and the gross violation of human rights that it portrays and has promised to deal swiftly and firmly with this matter.

This morning Prof. Fourie met personally with the workers who were tricked into taking part in the video and apologised to them face to face. Counselling is being arranged for the workers.

The management has also suspended lectures today in a proactive step to allow the emotions of staff and students to calm down. Lectures will resume tomorrow (Thursday 28 February 2008).

This follows a protest march earlier today against the extremely offensive and racist video which shows white students staging a mock “integration” of black workers in the residence.

After the march the management received memoranda from student organisations and two trade unions, NEHAWU and UVPERSU, about the video.

The students and the unions have made certain demands that the management will consider and respond to as soon as possible.

While the march proceeded peacefully, there have been sporadic incidents of intimidation and damage to property. Five students were arrested.

Prof. Fourie has appealed to students to act in solidarity with the management against the scourge of racism and to support the UFS in its policy to integrate student residences.


Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za  
27 February 2008
 

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