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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

‘Celebrating the music of our times’
2013-07-25

 

25 July 2013

The Odeion School of Music’s (OSM) New Music Week, hosted from 17–20 July 2013, offered an experience of profundity.

This was the second week-long festival of its kind to be hosted by the OSM – last year the 90th birthday of the South African composer, Stefans Grové, was celebrated with concerts and a symposium. This year the New Music Week focused on the visit of Ensemble Trans-Z under the artistic leadership of former OSM student, Alfred Vorster, a composer living in Zürich. The Order of the Odeion School of Music was bestowed upon Vorster during the festival. The members of the ensemble are the Belgian pianist Lukas Huisman, Danré Strydom (currently an OSM doctoral student in clarinet, based in Ghent), the Argentinian violinist Juan Braceras and the Swedish cellist Karolina Öhman (both currently living in Basel, Switzerland).

The week included three lectures. Lukas Huisman elucidated his doctoral project, Alfred Vorster offered an analytical perspective on the work of Helmut Lachenmann and Hannes Taljaard (Potchefstroom) delivered a commentary on his own composition practice. In addition to presenting masters’ classes in their individual instruments, Ensemble Trans-Z also hosted two workshops – one for the Mangaung String Project and another for OSM students and staff. These workshops focused on creative improvisation practices within an avant-garde style.

The highlight of the festival was two gala concerts that were held on 19 and 20 July. The first concert was hosted by Ensemble Trans-Z themselves, with a selection of compositions in the avant-garde style. The programme included challenging listening material and was creatively presented with unconventional lighting techniques and visual material.

The concert on 20 July consisted of New Music of a more conventional nature. The Odeion String Quartet offered a varied presentation which consisted of a rich mix of talent. OSM postgraduate students Marianne Cilliers, Karol Legierski and Eljee du Plooy formed part of this spectacular performance. The OSM flute lecturer, Handri Loots and the members of Ensemble Trans-Z supplied additional depth to the concert. The experience was made extra special by the recently-formed New Music Ensemble of the School of Music at the North-West University – led by Augusto Arias. Under conductorship of Jan-Moritz Onken, the OSM Camerata completed this impressive collaboration.

The Camerata’s recital of Hendrik Hofmeyr’s Phantom Waltz, which the composer newly arranged especially for this ensemble, was but one of the artistic highlights of an inspiring presentation.

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