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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

Right to Learn campaign seeks to fund financially needy students
2015-11-11

SRC President, Lindokuhle Ntuli, pledges financial support to the Right to Learn campaign.
Photo: Tango Twasa

In response to the dire need for financial relief for academically deserving students from underprivileged backgrounds, the Student Representative Council (SRC) of the University of the Free State (UFS) launched the Right to Learn campaign on Friday 30 October 2015. The campaign, which aims to counter deregistration, was initiated following the national #FeesMustFall campaign, which gained momentum after students from the University of Witwatersrand first mobilised against the proposed fee increases for 2016.

The SRC’s Projects Committee realised that, although President Jacob Zuma had consented to a 0% increment, the lack of an increase would not eliminate the financial burden currently facing some students.

“The campaign was conceived at the SRC’s strategic planning meeting, and is now spearheaded by the SRCs Projects Committee,” said Letsika Leqoalane, SRC: Academic Affairs. “The campaign was founded on the university's value of ‘Superior Scholarship’ and the SRC’s value of reducing student financial exclusions,” he added.

Students in pursuit of continued access to education

The Right to Learn campaign was established as a supplementary initiative to the #FeesMustFall movement. “The Right to Learn campaign is an initiative to raise funds for students who are facing financial exclusion in the coming year,” said the SRC Academics Affairs officer.

All proceeds will be channeled towards reducing the number of students who will face de-registration in 2016, the SRC textbook bursary, and food bursaries. “This campaign stands on three pillars, namely: no to de-registration, no to student food insecurity, and yes to textbooks,” explained Leqoalane.

A call for support

According to SRC President, Lindokuhle Ntuli, “SRC members have made pledges of no less than R500 each from their own pockets.” The SRC is appealing to the UFS community to make donations into the campaign bank account, and thereafter to email the proof of payment to Ntuli at NtuliL@ufs.ac.za. The account details are:

Account number: 15-7085-0721 ABSA Bank Branch
Reference: SRC FUND
Branch Code: 632005 Cheque Account
Swift code: ABSAZAJJ

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