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18 July 2019 | Story Julian Roup | Photo Leonie Bolleurs
Clear glass
UFS researchers Lucas Erasmus (left), researcher in the UFS Department of Physics and Prof Hendrik Swart, senior professor in the UFS Department of Physics and SARChI chair (South African Research Chairs Initiative) in Solid State Luminescent and Advanced Materials, with the equipment used for the ground-breaking research.
A revolutionary new type of window glass – in effect a transparent solar panel - is the objective of joint research being done by the University of the Free State (UFS) in South Africa and Ghent University in Belgium. 

A working model has been created which proves the viability of the process which now needs to be refined, made more efficient and brought to the market. It is hoped to achieve this within a decade.

This new product will have the capacity to revolutionise the generation of power cheaply from the sun to power homes, factories and cities in a new clean way.

Academics from the UFS, Prof Hendrik Swart and Lucas Erasmus are doing joint research with Ghent University in Belgium, to find solutions for energy production. 

The two universities entered into an agreement recently for this research into electricity generation. The research is driven by the UFS and was prompted by ever-rising electricity prices and growing demand for electricity production. South Africa lives with constant power outages which leaves people stuck in lifts and facing chaos on the roads as traffic lights cut out. Many people who can afford them now rely on generators.

Prof Hendrik Swart, senior professor in the Department of Physics at the University of the Free State and SARChI chair (South African Research Chairs Initiative) in Solid State Luminescent and Advanced Materials, says: “An innovation like this which can help to replace traditional means of carbon based fuel for power generation in our daily lives would be hugely welcome.”

Swart explains the main objective of the research: “The idea 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 buildings, vehicles and electronic devices. The goal is therefore to create a type of transparent solar panel.”

Swart says 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 cell phone users in the world, as it can be implemented in the screens of cell phones, where the sun or the ambient light of a room can be used to power the device without affecting its appearance,” he said.

Another possible application is in electric cars, where the windows can be used to help power the vehicle.

Lucas Erasmus who is working with Prof Swart adds: “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 diffused 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.”

It is envisaged that the technology will take about a decade to refine and implement. This study is currently on-going, and UFS are experimenting and testing different materials in order to optimise the device in the laboratory. It then needs to be upscaled in order to test it in the field. “It is truly the technology of the future,” says 
Erasmus.

The UFS envisages that the end result of this research will provide an attractive solution to address the energy demands of buildings, electric motor vehicles and mobile electronics without affecting their appearance. 

According to Swart, the agreement entails a joint doctoral degree in which both universities will supervise the project and the awarding of the doctorate. Lucas Erasmus, a student at the UFS, has been tasked with the assignment to conduct research at both institutions.

News Archive

During 2011: Sport
2011-12-01

Our sports stars set their gaols high and with hard work, dedication a good measure of determination they show that they will not give up until these goals are met. A place in the national team or a medal or award in hand is enough proof that our Kovsie sportsmen and women are serious about their successes on the sports field.

 Description: 2011 Sport_Cricket Tags: 2011 Sport_Cricket  Description: 2011 Sport_Karate Tags: 2011 Sport_Karate  Description: 2011 Sport_Hockey Tags: 2011 Sport_Hockey  Description: 2011 Sport_Netball Tags: 2011 Sport_Netball  Description: 2011 Sport_Rugby Tags: 2011 Sport_Rugby

Some of our stars this year were:

Athletics:

Thuso Mpuang, our Kovsie Sportsman of the year, represented South Africa during the World Athletic Championships in Deague, Korea. He obtained the silver medal in the 200m during the World Student Games in Shenzhen, China and a gold medal as a member of the 4 x 100m relay team.

Janette Siebert represented South Africa during the Southern Africa Championships in Maputo, Mozambique.

Boy Soke represented South Africa during the Africa Cross Country Championships in Cape Town. He also represented South Africa during the World Cross Country Championships in China.

Cricket:

The 21-year-old former Kovsie, Obus Pienaar, who was still playing cricket for our university club until the end of the season (end of March), has been playing abroad for the Irish cricket club Waringstown from the end of April 2011.
We are proud of Obus’ achievements, in particular his contribution to the match against the CIYMS. During this game, Obus hit the highest score ever in the Northern Cricket Unions when he scored 244 runs in only 114 balls. This included 22 sixes and 13 fours. During his innings in this match, Obus also broke the July 2004 record of his compatriot, AB de Villiers of the Proteas.

Hockey:

Lesley Ann George represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbaijan. She was also a member of the Protea Women’s Hockey Team during the Champs Challenge in Ireland. The team finished fifth.

Nicole de Vries represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbaijan. She was also a member of the Protea Women’s Hockey Team during the Africa Cup in Bulawayo. The team obtained a gold medal.

Hettie Oosthuizen represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbaijan.

Izelle Lategan represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbaijan.

Nicole Kemp was a member of the Protea Women’s Hockey Team during the Africa Cup in Bulawayo. The team obtained a gold medal.

Karate:

Elsabe le Roux was a member of the Protea JKA Shotokan Karate Team that participated in the Africa Zone 6 Championships in Maputo where she obtained a gold and silver medal.

Bruno Schwalbach was a member of the Protea JKA Shotokan Karate Team that participated in the Africa Zone 6 Championships in Maputo where he obtained two gold medals. He was also a member of the Protea JKA Shotokan Karate Team that participated in the Common Wealth Karate Championship in Australia where he obtained one silver and two bronze medals. He was a member of the Protea JKA Shotokan Karate Team that participated in the All Africa Games in Maputo Mozambique where he obtained a bronze medal.

Balungile Nchofe was a member of the Protea JKA Shotokan Karate Team that participated in the Africa Zone 6 Championship in Maputo, where he obtained a gold medal.

Netball:

Kovsies’ netball team has performed well over the past year with, amongst others, the inclusion of players in the SA Universities World-cup Group.

Karla Mostert and Maryka Holtzhausen participated during the World Cup in Singapore in the SPAR SA Protea team.

We are also proud of the eight players who have been included in the SA team. They are Zimari Smit, Sheri Duimpies, Ane Botha, Danique du Toit, Nieke Loubser, Karla Mostert, Fikile Mkhuzangwe and Lauren-lee Christians.

At the SA tournament, Ane Botha was named as the centre-court player of the tournament, whilst Karla Mostert was named as the best defending player. Karla has also been included in the SPAR SA Protea team to the All African Games, which start in Mozambique at the end of August.

Rugby:

Boom Prinsloo and Robert Ebershohn are representing the Springboks in the HSBC Sevens World Series.

Soccer:

Gabisile Hlumbane, our Kovsie Sportswomanof the year, is a member of the Banyana Banyana National Soccer Team. The team obtained a bronze medal at the African Women’s Championships during October 2010, a gold medal at the Unity Cup Hosted during December 2010, a silver medal at the COSAFA Women’s Championship hosted during July 2011 and qualified for the London Olympics in 2012.

Squash:

Paul Rodrigues represented the South African U/ 23 team at the All Africa Squash Championships in Johannesburg.

Triathlon:

Nelmaré Loubser represented the SA Elite Team during the World Championships in Spain.

 

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