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Clear glass solar panels ‘could charge mobile phones and electric cars

18 July 2019 | Story Julian Roup | Photo Leonie Bolleurs

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

UFS Centenary 2004 / 2005 October (centenary) fest Activities

2004-10-08

Friday, 08 October 2004
17:00 – 24:00
Callie Human Centre, UFS
Macufe Rock Concert
With: Rooibaardt, Karen Zoid, The Narrow, F****polisiekar, Stuurbaard Bakkebaard (from the Netherlands), DJ Bob, Ready D, Neva Me.
Cost : R50-00
Bookings : Pacofs (051-447 7772)

Sunday, 10 October 2004
16:00 – 18:00
Callie Human Centre, UFS
Macufe Three Tenors Concert
With: Phillip Kotze, Chris Coetzer and Du Preez Stolz, as well as Angela Kerrison. Free State Symphony Orchestra conducted by Chris Dowdeswell.
Cost :R60-00 (adults), R40-00 (children, scholars, students and pensioners)
Bookings : Pacofs (051-447 7772)

Tuesday, 12 October 2004
11:00 – 15:00
Centenary Complex, UFS
Inauguration of Centenary Complex
Open day with a variety of musical recitals in different rooms
Cost : Free
Enquiries : Elize Rall (051-401 3382)

15:00 – 17:00
Parking area next to the Centenary Complex, UFS
Kovsie Mosaic Day
Collage of the Century, Dance to the beat, Cultural Cartoon,
Who’s line is it anyway?
Cost : Free
Enquiries : Louis Botha (051-401 2819) or
AC Geldenhuys (084 585 3338)

Wednesday, 13 October 2004
19:00
Centenary Complex, UFS
Première of documentary film : The Life and Legacy of King Moshoeshoe
Note : By invitation only
Enquiries : Elize Rall (051-401 3382)

Thursday, 14 October 2004
18:45 – 21:00
Red Square (in front of Main Building), UFS
Centenary Honorary Doctorate Degree Graduation Ceremony
Conferred on: Me. Antjie Krog, Prof. Jakes Gerwel, Mr. Karel Schoeman, Dr. Frederick van Zyl Slabbert, Prof. Saleem Badat, Dr. Khotso Mokhele, Prof. Robert Bringle, Prof. Leo Quayle, Prof. Jack de Wet, Prof. Kerneels Nel (posthumously), Prof. Boelie Wessels and Prof. Jaap Steyn .
Cost : Free. Please RSVP if you would like to attend.
Enquiries : Elize Rall (051-401 3382)

Friday, 15 October 2004
18:30
Centenary Complex, UFS
Alumni Dinner and Centenary Award Ceremony
Approximately 140 centenary medals will be awarded in acknowledgement of exceptional contributions to the development of the University. The award ceremony is followed by the Alumni dinner in the Callie Human Centre.
Cost : R100-00/person
Enquiries : Elize Rall (051-401 3382)

15:00 (to 12:00, Saturday, 16 October 2004),
UFS campus
Reunion : Momentum Adventure and Expedition Association
Including : Setting up of the Kovsie Momentum base camp, champagne breakfast and abseiling.
Cost : R50-00/person for breakfast
Enquiries : Gerrit van der Merwe (072 4317 153) or
Niel Fraser (082 772 5642)
Website : www.uovs.ac.za/associations/momentum_hrcc.

19:00 (to 11:00 Sunday, 17 October 2004)
Reunion : Cantare Revue Group
Including : Formal dinner, budget show, bring and braai, church service.
Cost : R100-00/person for the dinner
Enquiries : Louis Botha (051-401 2819)

19:00 (to 24:00 Saturday, 16 October 2004
Reunion : House NJ van der Merwe
Including : Senior Student’s Association and concerts
Cost : R5-00/person
Enquiries : Tutu Ntlathi (051-401 4122 / 072 865 2227)

Saturday, 16 October 2004
09:00 – 10:00
Committee Room 120, Faculty of Theology
Founding of Theology Alumni Association
Enquiries: Henna Nel (051-401 2669)

10:00 – 12:00
Parking area, CR Swart Building, UFS
Alumni Campus Tour
Including : Visits to the new physical developments on campus
Cost : Free
Enquiries : Jeanette Jansen (051-401 3594)

10:00 – 12:00
Sonnedou gazellie (next to NJ van der Merwe Residence), UFS
Reunion : Ladies’ Tea
Visit our new gazellie and find out what Sonnedou is up to these days.
Cost : R25-00/person
Enquiries : Anne-Marie Delport (072 109 0507)

12:00 – 16:00
JBM Hertzog Residence (garden in front of Senior Student’s Association), UFS
Reunion : Braai
Cost : Approximately R20-00/person
Enquiries : Hattingh Bornman (084 240 5226)

12:00 Vergeet-my-nie Residence, UFS
Reunion : Braai
Bring and braai. We supply the facilities. Bring old photographs and stories. Enjoy Aunt Juls’ last visit.
Cost : Free
Enquiries : Mari Jordaan (051-444 2832/072 392 4444)

12:00 HF Verwoerd Residence Senior Student’s Association, UFS
Reunion : Spit roast
Cost : R60-00/person
Enquiries : Jan-Chris Landman (051-401 3613 / 082 664 6062)

18:30 Floreat Hall, Bloemfontein Civic Centre (Braam Fisher Building)
Irawa 60 Reunion
For all former editors, former and current main editorial staff and coworkers
Cost : R100-00/person
Enquiries : Sanri van Wyk (072 333 1011)
Elzette Boucher (072 180 6265)

19:00 – 24:00 Red Square (in front of Main Building), UFS
Informal Alumni Reunion
Spit roast and stories in a marquee
Cost : R60-00/person
Enquiries : Elize Rall (051-401 3382)

Sunday, 17 October 2004
10:00 – 11:00
Kovsie Church
Church Service

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