Two new Helmholtz Young Investigator Groups will start in 2019
Starting in 2019, Helmholtz-Zentrum Berlin (HZB) will be establishing two new Helmholtz Young Investigator Groups and thereby strengthening its competencies in catalysis research. The Helmholtz Association will be funding each group with 150,000 euros annually over a period of five years, and HZB will be matching that sum with its own funds.
The group of Dr. Christopher Seiji Kley will be developing light-absorbing materials and catalysts for the sunlight-driven conversion of carbon dioxide and water into fuels. The Young Investigator Group will be introducing concepts inspired from biology as a way to increase the catalysts’ energy efficiency and to maximise the catalytic activity for longer-chain hydrocarbons. The planned start for the group is in March 2019.
Dr. Olga Kasian’s group will be researching what are the factors currently limiting the performance of catalysts in solar hydrogen production. To do so, they will be analysing the catalysts’ uppermost atomic layers and explaining the reaction mechanisms by directly detecting the intermediates and products. BESSY II offers the latest spectroscopic methods for studying the electronic changes in the materials in-operando. Olga Kasian’s Young Investigator Group will kick off in May 2019.
Two out of ten new Helmholtz Young Investigator Groups at HZB
In the recent selection process for heads of Young Investigator Groups, an interdisciplinary jury selected ten talents from a total of 23 applicants. HZB came out very successfully in the selection round: out of ten newly funded Helmholtz Young Investigator Groups, two are to be established at HZB in 2019.
About the “Helmholtz Young Investigators” programme
The research programme fosters highly qualified young researchers who completed their doctorate three to six years ago. The heads of the Young Investigator Groups receive support through a tailored training and mentoring programme and are assured long-term prospects at HZB. One aim of the programme is to strengthen the networking of Helmholtz centres and universities. The costs – 300,000 euros per year per group over five years – are covered half by the Helmholtz President’s Initiative and Networking Fund, and half by the Helmholtz centres.
- Long-term stability for perovskite solar cells: a big step forwardPerovskite solar cells are inexpensive to produce and generate a high amount of electric power per surface area. However, they are not yet stable enough, losing efficiency more rapidly than the silicon market standard. Now, an international team led by Prof. Dr. Antonio Abate has dramatically increased their stability by applying a novel coating to the interface between the surface of the perovskite and the top contact layer. This has even boosted efficiency to almost 27%, which represents the state-of-the-art. After 1,200 hours of continuous operation under standard illumination, no decrease in efficiency was observed. The study involved research teams from China, Italy, Switzerland and Germany and has been published in Nature Photonics.
- Energy of charge carrier pairs in cuprate compoundsHigh-temperature superconductivity is still not fully understood. Now, an international research team at BESSY II has measured the energy of charge carrier pairs in undoped La₂CuO₄. Their findings revealed that the interaction energies within the potentially superconducting copper oxide layers are significantly lower than those in the insulating lanthanum oxide layers. These results contribute to a better understanding of high-temperature superconductivity and could also be relevant for research into other functional materials.
- Electrocatalysis with dual functionality – an overviewHybrid electrocatalysts can produce green hydrogen, for example, and valuable organic compounds simultaneously. This promises economically viable applications. However, the complex catalytic reactions involved in producing organic compounds are not yet fully understood. Modern X-ray methods at synchrotron sources such as BESSY II, enable catalyst materials and the reactions occurring on their surfaces to be analysed in real time, in situ and under real operating conditions. This provides insights that can be used for targeted optimisation. A team has now published an overview of the current state of knowledge in Nature Reviews Chemistry.