Cathodoluminescence is a great tool for obtaining valuable information about the properties of a sample, which can empower researchers and developers with a better understanding of possible defects, efficiency of the material and other properties.
the SPARC can benefit your research!
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Are you interested in the possibilities of cathodoluminescence (CL) for photovoltaics (PV)? Are you eager to figure out how CL imaging works to measure and analyze thin-film solar cells and and other photovoltaic materials? For those who didn’t manage to join the webinar Cathodoluminescence for photovoltaics last month, the recording of this webinar is now available for you!
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In the last few decades, electronic devices have become more and more important in our lives, and semiconductors are a crucial part of this technology innovation. A semiconductor is a generic term for materials, normally solid chemical elements, that can conduct current, but only partly. A semiconductor has a conductivity which is between that of an insulator with almost no conductivity, and a conductor with almost full conductivity.
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One of the applications of cathodoluminescence is studying optical nanoantennas. But what are they exactly? These devices, made usually from noble metals (gold or silver, for example) or from semiconductor materials, are capable of amplifying and manipulating light on the nanoscale.
Dr. Ruggero Verre is one the Delmic’s oldest customers: he is a post-doctoral researcher in the Department of Applied Physics at the Chalmers University of Technology in Gothenburg, Sweden. Optical nanoantennas is the focus of his research group, headed by Prof. Mikael Käll.
One way to study the properties of the antennas and understand how they work is by characterizing them with cathodoluminescence. The group of Ruggero Verre has been using the SPARC cathodoluminescence detector to study them, and they have achieved some interesting results.
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