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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

UFS law experts publish unique translation
2006-06-21

Attending the launch of the publication were from the left:  Prof Boelie Wessels (senior lecturer at the UFS Faculty of Law), Prof Frederick Fourie (Rector and Vice-Chancellor of the UFS), Prof Johan Henning (Dean: UFS Faculty of Law) and Adv Jaco de Bruin (senior lecturer at the UFS Faculty of Law). Prof Wessels translated the treatise from corrupted medieval lawyer Latin into English, Prof Henning is the leading author and initiator of the publication and Adv de Bruin assisted with the proofreading and editing. Photo: Stephen Collett

UFS law experts publish unique translation of neglected source of partnership law

The Centre for Business Law at the University of the Free State (UFS) has translated a unique long neglected Roman-Dutch source of the law of partnership law from Latin into English.  This source dates back to 1666. 

The book, called Tractatus de Societate (A Treatise on the Law of Partnership), by Felicius and Boxelius is published as Volume 40 in the research series Mededelings van die Sentrum vir Ondernemingsreg/Transactions of the Centre for Business Law.  It is the first translation of this Roman-Dutch source into English and comprises of a comprehensive discussion of the South African common law of partnerships.  

“Apart from various brief provisions dealing on a peace meal and an ad hoc basis with diverse matters such as insolvency, there is no comprehensive Partnership Act in South Africa.  The law of partnership in South Africa consists of South African common-law, which is mainly derived from Roman-Dutch law,” said Prof Johan Henning, Dean of the Faculty of Law at the UFS.  Prof Henning is also the leading author and initiator of this comprehensive publication.

“Countries such as America, England, Ireland and The Netherlands have drafted or are in the process of establishing new modern partnership laws in line with new international guidelines, practices and commercial usages,” said Prof Henning.

“However, in South Africa the most recent policy document released by the Department of Trade and Industry explicitly excludes partnership law from its present company law reform programme and clearly regards this as an issue for another day,” said Prof Henning.

“Unless there is a political will to allocate the necessary resources to a comprehensive partnership law revision program, it is a practical reality that South Africa will not have a modern Partnership Act in the foreseeable future,” said Prof Henning. 

According to Prof Henning South African courts have been using the Roman-Dutch partnership law sources as authority.  “The English Partnership Act of 1890 is not binding and the English text books should therefore be approached with caution,” said Prof Henning.

“A treatise on the law of partnership that has been regarded by South African courts as an important common law authority is that of  a Frenchman by the name of Pothier.  This treatise was translated into English and was regarded as an au­thority of significance in The Netherlands towards the end of the eighteenth century,” said Prof Henning. 

“Pothier’s opinions are however not valid throughout in the Roman-Dutch partnership law as it did not apply to the Dutch province of The Netherlands and it sometimes also rely on local French customs for authority,” said Prof Henning.

For this reason the Centre for Business Law at the UFS decided to focus its attention again on the significance of the comprehensive treatise of Felicius and Boxelius on the Roman-Dutch partnership law.  Felicius was an Italian lawyer and Boxelius a Dutch lawyer.

This long neglected source of partnership law was published in 1666 in Gorkum in The Netherlands.  "A significant amount of Roman-Dutch sources of authoritive writers trusted this treatise and referred to it,” said Prof Henning.

The translation of the treatise from corrupted medieval lawyer Latin into English  was done by Prof Boelie Wessels, a very well-known expert on Roman Law and senior lecturer at the UFS Faculty of Law.  Prof Wessels, who  has 15 degrees, spent almost ten years translating the treatise.  The proofreading and editing of the translation was done by Prof Henning and Adv Jaco de Bruin, a senior lecturer at the UFS Faculty of Law.

“We want the South African courts to use Volume 40 in the research series Mededelings van die Sentrum vir Ondernemingsreg/Transactions of the Centre for Business Law as the primary source of reference when cases where Roman-Dutch Law partnership law principles are involved, are ruled on,” said Prof Henning.

The first part of the publication comprises of selected perspectives on the historical significance of the work as well as a translation of selected passages. “The intention is to follow this up expeditiously with the publication of a very limited edition of a complete translation of the work,” said Prof Henning.

A total of 400 copies of the publication will be distributed to all courts, the Appeal Court and the Supreme Court.

Media release
Issued by: Lacea Loader
Media Representative
Tel:   (051) 401-2584
Cell:  083 645 2454
E-mail:  loaderl.stg@mail.uovs.ac.za
21 June 2006

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