Poster Award for HZB-Postdoc at EMRS Spring Meeting
Ah Reum Jeong has completed her PhD in physics at Ewha Womans University in Seoul, Korea. She now works as a postdoc in the Hybrid Material Systems & Nano-Analytics team of Dr. Marin Rusu.
During the spring meeting 2015 of the European Materials Research Society the Poster contribution of Dr. Ah Reum Jeong (HZB-Institute for Heterogeneous Material Systems) was selected for an award. The young scientist has presented results on electronic and structural properties in relation to chemical composition of molybdenum oxide layers, which are widely applied in photovoltaic as well as optoelectronic devices.
During the spring meeting 2015 of the European Materials Research Society the Poster contribution of Dr. Ah Reum Jeong (HZB-Institute for Heterogeneous Material Systems) was selected for an award. The young scientist has presented results on electronic and structural properties in relation to chemical composition of molybdenum oxide layers, which are widely applied in photovoltaic as well as optoelectronic devices.
Ah Reum Jeong has completed her PhD in physics at Ewha Womans University in Seoul, Korea. She now works as a postdoc in the Hybrid Material Systems & Nano-Analytics team of Dr. Marin Rusu in the Hybrid-PV-Project. „There are still relevant processes in molybdenum oxide which we do not completely understand yet“, she states.
In her research, she modifies MoO3-layers with defects and analyzes its morphology, structure and work functions at different temperatures by Kelvin probe force microscopy in ultra-high vacuum and Raman spectroscopy. Chemical composition of the films was in addition analyzed by x-ray photoelectron spectroscopy measurements under the guidance of Prof. Dr. Marcus Bär.
„At first I wasn’t aware that among the people surrounding my poster one person was a member of the jury“, Ah Reum Jeong says. „He has asked some quite specific questions and we had a very good discussion. I am really happy about this award since it helps to get even more attention for our work in the scientific community.”
„Ah Reum Jeong has convinced the jury with the scientific quality of her work and with a very clear presentation “, Marin Rusu states. The poster has been presented at the Symposium "Synthesis, processing and characterization of nanoscale multi functional oxide films".
More Information: EMRS-2015 Spring Meeting and Exhibition, Lille (France) has taken place from May 11-15, 2015
- HZB congratulates Peter Hegemann on winning the Nobel PrizeOur warmest congratulations go to Peter Hegemann, Professor of Neuroscience and Experimental Biophysics at Humboldt University in Berlin. Together with Prof. Georg Nagel (Julius Maximilian University of Würzburg) and Prof. Karl Deisseroth (Stanford University, USA), he has been awarded the 2026 Nobel Prize in Physiology or Medicine. We are delighted for him, his team, Humboldt University and the entire Berlin scientific community.
- Does African Architecture exist?The world’s first Pan-African Architecture Biennale took place this September in Nairobi, Kenya. People from the worlds of architecture, art, academia and politics from 54 African countries and the diaspora had travelled to Nairobi to exchange ideas on traditional and contemporary building methods, materials, experiences and projects. Samira Aden co-organised this biennial as lead curator. We spoke to her about it.
- Nanosilver as an electrocatalyst for CO₂ reductionVia electrolysis, CO2 can be reduced to CO, a raw material for further chemical products such as fuels. Within the GreenQuest Project, an internation team led by HZB chemist Prashanth Menezes has now systematically investigated catalyst layers made of silver nanoparticles, varying both the size of the particles and their density. The best yield was achieved with nanoparticles with diameters of around 10 nm, which were loosely distributed. Furthermore, they demonstrated how the economic efficiency of the electrochemical cell can be enhanced by integrating an additional chemical reaction at the anode, enabling the simultaneous production of a valuable formic acid, hydrogen, and CO in one device.