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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

Institute launches Human Rights Desk
2013-10-22

 

Attending the launch of the first Human Rights Desk were from left: Prof Teuns Verschoor, former Vice-Rector: Institutional Affairs, Dr Leon Wessels, human rights activist and lawyer, and Dr Choice Makhetha, Vice-Rector: External Relations.
Photo: Huibrecht Hoffman
22 October 2013

The university has created another beacon for social justice and reconciliation with the launch of its first Human Rights Desk (HRD) on the Bloemfontein Campus. The HRD, which falls under the Institute for Reconciliation and Social Justice, will promote, protect and monitor human rights at the university.

Speaking at the launch of the HRD, Prof Andre Keet, Director of the Institute for Reconciliation and Social Justice, said the desk will investigate reported violations of human rights on campus. "It will investigate any cases that require investigation, as well as various other projects that serves the university and national and international imperatives as far as human rights is concerned.”

Prof Keet told students and staff in attendance that the desk is an expression of the university's commitment. "As a university, we have to own this particular desk, as a collective entity we should make it work and be proud of it. Our task is to build a new form of productivity into the language of rights, and build a culture of human rights among our students, which we can already see emerging."

Also speaking at the event, Prof Jonathan Jansen, Vice-Chancellor and Rector, said the HRD will be a place where people can come who are hurt. He encouraged students to speak on human rights anywhere in the world. "I want you to think of yourself as a borderless human being, for human rights are not geographically confined. I want you to also hurt when somebody in a mall in Kenya gets hurt."

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