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23 November 2021 | Story Leonie Bolleurs | Photo Supplied
With her talk on ‘Breaking the walls of darkness’, Emmie Chiyindiko came in second out of the 74 pitches presented at the recent Falling Walls Science Summit.

“I need you to take a moment and imagine trying to do everything that you do every day … without reliable energy. Or I’ll ask you this … How far would you walk to charge your phone if you didn’t have electricity? Would you walk for hours? Kilometres?”

“Well, that’s what millions of people in sub-Saharan Africa do daily to charge their phones. One billion people globally don’t have access to electricity in their homes and in sub-Saharan Africa, more than half of the population remains in the dark.”

This was the introduction to Emmie Chiyindiko’s talk at the recent Falling Walls Science Summit earlier this month. Emmie, who is a PhD student in Chemistry at the University of the Free State (UFS), came in second out of the 74 pitches presented with her talk on ‘Breaking the walls of darkness’ in the ‘Breakthrough of the year in the emerging talents category’.

Falling Walls Lab is a world-class pitching competition, networking forum, and steppingstone that brings together a diverse and interdisciplinary pool of students, researchers, and early-career professionals by providing a stage for breakthrough ideas, both globally and locally. 

Emmie, who sees getting out of bed every morning as just another opportunity to “be the exceptional young black female scientist that I am”, won the local Falling Walls Lab in Cape Town in October, which resulted in her going through to the finals in Berlin. She plans to host the Falling Walls Lab in Zimbabwe, her homeland, next year. 

This innovator and science communicator, whose work has been covered in Forbes Science, News24, and the Sunday Times, among others, refers to her obtaining second place on the international stage for her research as “a tremendous achievement and a new height in my science communication career. That level of recognition from the world leaders in science, technology, and science engagement cannot be overstated”.

Ending energy poverty

She believes Sustainable Development Goal 7 – leaving no one behind and eradicating global poverty – must be preceded by intentional efforts to end energy poverty. “My research on dye-sensitised solar cells (DSSC) with special metal complexes is among the most interesting alternatives to conventional solar cells.”

Emmie explains: “The design of the cells is inspired by photosynthesis – that good old process plants use to transform sunlight into energy via chlorophyll. Instead of a leaf, the cells start with a porous, transparent film of eco-friendly titanium dioxide nanoparticles. The film is also coated with a range of different dyes that absorb scattered sunlight and fluorescent light. When sunlight hits, it excites the electrons in the dye, creating an endless supply of energy. 

The bright side of this research is that there are several benefits to this invention. It produces energy that is cheap, reliable, and relatively simple and inexpensive to produce. Emmie adds: “These next-generation cells also work impeccably in low-light and non-direct sunlight conditions, providing all-year-round energy with no disruptions. DSSC is also three times cheaper than conventional cells and produces 40% more energy.”

Improving livelihoods 

She continues: “It does not degrade in sunlight over time as do other thin-film cells, making the cells last longer, and requiring less frequent replacement. DSSCs are also mechanically strong, because they are made of lightweight materials and do not require special protection from rain or abrasive objects.”

Emmie has proven that solutions to our current energy situation are available. “We are on the cusp of an energy revolution, and we must act now. Solutions are available, and if we do not seize them during a time of crisis, when will we?”

She believes that creating technology like this can end the energy crisis and improve livelihoods. “Billions of people simply lack enough energy to build a better life. Affordable, abundant, and reliable energy can go a long way to store food, power life-saving medical equipment, and run trains and factories. It can help communities to grow and prosper and to access opportunity and dignity. Societies where people have access to energy have lower childhood mortality, a higher life expectancy, they eat better and drink cleaner water, and have a better literacy rate.”

News Archive

From lock to SA prop in six months
2017-08-29

 Description: Kwenzo Bloze Tags: Kwenzo Blose, KovsieSport’s, Junior Sportsman of 2016, World Championship, Shimla 

One of the rugby players that Kwenzo Blose looks
up to, is the Cheetah prop Ox Nche. He and Nche
are both residents of the Vishuis men’s residence.
Photo: Jóhann Thormählen


If someone told Kwenzo Blose of Glenwood High School that he would scrum as prop for the South African U/20 rugby team at the Junior World Championship, he would probably have thought it was a joke. At that time he still played lock, but only six months after the shift to prop, he represented his country at the tournament in Manchester, England.

Apart from this, KovsieSport’s Junior Sportsman of 2016 – who will probably be playing in his second World Championship this year, only became a Shimla in 2017. Last year he was still playing for the University of the Free State’s Young Guns.

Beast also played lock at first
André Tredoux, former UFS and Cheetah talent scout, said the Springbok prop Beast Mtawarira also played lock and flank at school. “Glenwood competed in the Wildeklawer Super Schools Tournament. Apparently coach André spotted me there and talked to Stephan Jacobs, another UFS coach. At that stage, I still played lock and they told each other that they had to get me to the Free State and convince me to play prop. I knew nothing of these plans,” said Blose.

According to this Paulpietersburg-native, who is 1,87 m tall and weighs 112 kg, he still has a lot to learn at prop. His greatest adjustments were in the scrums. “At prop you have to absorb the pressure of the rest of the pack in order to provide your team with front-foot ball,” he said. He said Jacobs, who was his Young Guns scrum coach, and Daan Human, the Cheetah scrum doctor, has helped him a lot.

An avid student off the field
Even though rugby has opened doors for the loose head who is studying LLB Law, he maintains a good balance. “The main reason why I came to university is to study. To be playing rugby and performing well is a great blessing, but I also have to prioritise and make sure that I obtain my degree.”

This year’s Junior World Championship was from 31 May to 18 June in Tbilisi, Georgia. Last year, the Baby Boks finished in a disappointing fourth place, but Blose believes they can improve on this. “If everything goes according to plan and if some of the guys are playing again, we would have something like nine players who played in the 2016 tournament.”

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