HZB expert appointed chair of the Scientific Advisory Board of the Barcelona Research Centre
Prof. Dr. Susan Schorr © CCEM
Prof. Dr. Susan Schorr has been appointed to the newly established Scientific Advisory Board of the Barcelona Research Centre in Multiscale Science and Engineering and elected as its chair.
The Barcelona Research Centre in Multiscale Science and Engineering (CCEM) is part of the Universitat Politècnica de Catalunya in Barcelona. It is one of the world's leading centres for materials science, particularly in the fields of micro- and nanotechnology, nanotechnology and biomaterials. In 2024, the CCEM received the ‘Excelencia María de Maeztu’ accreditation of excellence. It promotes internationally renowned research institutes that contribute significantly to the further development of Spain as a centre of science and technology.
The CCEM's Scientific Advisory Board comprises a total of seven experienced scientists from Italy, Spain, Sweden, the Netherlands and Germany.
Susan Schorr heads the ‘Structure and Dynamics of Energy Materials’ (SE-ASD) department at the Helmholtz Centre Berlin and is a professor in the Department of Earth Sciences at the Free University of Berlin. With her team at HZB, she researches fundamental structure-property relationships of materials for energy conversion, including novel materials for solar cells.
HZB expertise in advisory boards, committees and scientific commissions
Twenty-five scientists from HZB are currently involved in scientific advisory boards, supervisory boards or similar advisory bodies. There, they contribute their recognized expertise and critical assessments, which help to ensure well-founded decisions.
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https://www.helmholtz-berlin.de/pubbin/news_seite?nid=32426;sprache=en
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Perovskite triple-junction solar cells: Even more efficient with GO/SAM bilayers
Perovskite semiconductors efficiently convert sunlight into electrical energy; they are also inexpensive and extremely lightweight. A team at HZB has developed a triple-junction solar cell comprising different perovskite semiconductors, with a novel bilayer of graphene oxide (GO) and a self-assembled monolayer (SAM) as the hole conductor. This bilayer significantly increases both efficiency and long-term stability. The efficiency of the novel perovskite triple-junction solar cell is 27.3% and shows hardly any decline even after more than 770 hours of operation. The study has been published in the renowned journal Joule.
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Magnetic imaging: Micro-flowers increase the local magnetic field
Materials with magnetic nanostructures have many potential applications such as in spintronics. To explore such materials, nanoscale magnetic-sensitive imaging techniques are very useful, but up to now only weak magnetic fields could be applied during the imaging process. Now an international collaboration led by Dr. Sergio Valencia, HZB, has developed an approach that overcomes this limitation. The team designed tiny magnetic flux concentrators (MFCs), into which the sample is placed. The geometry of the MFCs resembles a flower with a number of petals which focus the applied magnetic field into its center. This greatly expands the magnetic field range available during imaging, and so the range of magnetic systems that can be investigated. The micro-flowers, enhancing magnetic fields locally, can find application in different nanometric magnetic microscopy techniques.