Georg Forster Research Fellow explores photocatalysts
Dr. Moses Alfred Oladele is working on photocatalysis for CO2 conversion in a joint project with the group of Dr. Matt Mayer, HZB, and Prof. Andreas Taubert at the University of Potsdam. The chemist comes with a Georg Forster Research Fellowship from the Alexander von Humboldt Foundation. © HZB
Dr. Moses Alfred Oladele is working on photocatalysis for CO2 conversion in a joint project with the group of Dr. Matt Mayer, HZB, and Prof. Andreas Taubert at the University of Potsdam. The chemist from Redeemer's University in Ede, Nigeria, came to Berlin in the summer of 2024 with a Georg Forster Research Fellowship from the Alexander von Humboldt Foundation and will work at HZB for two years.
Dr Moses Alfred Oladele studied Industrial Chemistry in Adekunle Ajasin University Akungba-Akoko (BSc), and continued his studies for the Master’s degree in Redeemer’s University in Ede, Osun State, Nigeria, where he also obtained his doctorate in 2021. He has since worked as a lecturer at Redeemer's University and as a scientist at the African Centre for Environmental and Water Research (ACE WATER), developing low-cost materials for environmental remediation of toxic wastes in water and monitoring pollutants in South West Nigeria.
In Matt Mayer's group, he will focus on researching new low-cost catalyst materials that can be activated by sunlight and used to convert CO2 into valuable chemicals with a net zero carbon footprint.
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BESSY II: Evaporated perovskites in tandem solar cells improved
Perovskite-silicon tandem solar cells achieve significantly higher efficiencies than silicon solar cells on their own. One particularly attractive method is co-evaporation of the perovskite precursor molecules on top of the silicon subcell. Scientists at HZB have analysed film growth on the nanoscale at BESSY II and found a new way to improve the quality of the perovskite layer: adding a thin seed layer of caesium chloride between the two sub-cells promotes uniform perovskite growth and suppresses the formation of undesired lead iodide at the interface.
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Discover HZB at our Open Day on 28 August
We warmly invite you to our Open Day at the Lise Meitner Campus of the Helmholtz Centre Berlin (HZB) in Wannsee! A varied programme awaits you, featuring around 20 stations, guided tours, talks and hands-on activities for all.
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Hatice Mutlu appointed to the Helmholtz Institute HIPOLE in Jena
Prof. Dr Hatice Mutlu is the new professor of sustainable polymer chemistry at HIPOLE Jena, the Helmholtz Institute for Polymers in Energy Applications. On 17 August 2026, she visited the HZB campus in Berlin-Adlershof including the BESSY II lightsource and discussed future collaboration with researchers and the board of directors.