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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

Prof Tim Murithi calls for Africa to design new global order
2016-06-02

Description: Prof Tim Murithi calls for Africa to design new global order Tags: Prof Tim Murithi doen ’n oproep op Afrika om ’n nuwe wêreldorde te skep

From left: Prof Heidi Hudson, Head of Centre for Africa
Studies (CAS); Prof Tim Murithi, Extraordinary Professor
at CAS; Prof Lucius Botes, Dean of the Faculty of
the Humanities; and Prof Prakash Naidoo, Principal of
Qwaqwa Campus.
Photo: Stephen Collet

“What do Africans have to say about the remaking of the global order?” was the opening question of Prof Tim Murithi’s lecture which was hosted by the Centre for Africa Studies (CAS) of the University of the Free State (UFS) to celebrate Africa Day on 25 May 2016.

The annual Africa Day Memorial Lecture, entitled: Africa and the Remaking of the Global Order, doubled as Prof Murithi’s inaugural lecture. He is CAS’s newly-appointed Extraordinary Professor, as well as the Head of the Justice and Reconciliation in Africa Programme at the Institute for Justice and Reconciliation in Cape Town. He made a compelling argument for the need for Africa to exert an active influence on international narratives of peace, governance, justice, and reconciliation.

“If we are waiting for American leadership to get us out of the quagmire of a situation we are in, we will be waiting for a long time,” said Prof Murithi.

The Head of the Centre, Prof Heidi Hudson, concurred with Prof Murithi’s suggestion of devising African solutions for African problems. She quoted Audre Lorde’s well-known assertion that “The master’s tools will never dismantle the master’s house.”

Remembering 1963
Over five decades ago, on 25 May 1963, the Organisation of African Unity was formed, and was renamed the African Union in 2002. Africa Day marks this pivotal point in the continent’s history. On this day, we reflect on the continent’s journey into democracy, peace, stability and socio-economic development. It is also an opportunity to celebrate African identity and heritage.

Continent-building dialogues
The UFS Sasol Library celebrated Africa Day with a book launch. Facets of Power. Politics, Profits and People in the Making of Zimbabwe's Blood Diamonds by Tinashe Nyamunda is a reflection of some of the challenges that Zimbabwe continues to face. It details the disadvantaged position which the country finds itself in due to greed, maladministration, and corruption, despite possessing large deposits of minerals.

In celebration of Africa Month, CAS has held a series of lectures by esteemed scholars from across the globe.  Earlier in the month, Prof Henning Melber presented lectures on Namibia’s independence and the African middle class. Kevin Bloom and Richard Poplak unpacked the issues surrounding Africa’s continental shift, while Prof Joleen Steyn Kotze focused on the possible fall of the African National Congress.

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