MIT.nano Seminar: Leo Gross
Monday, October 18, 2021 at 11:00am to 12:00pmVirtual Event
The October MIT.nano Seminar will feature a talk by Leo Gross, research scientist at IBM Research Zurich.
On-surface reactions and single-molecule charge transitions controlled by atom manipulation
Atomic force microscopy (AFM) with functionalized tips achieves atomic and bond-resolved resolution providing insights into the structure, aromaticity, charge states and bond-order relations of individual molecules . The products of on-surface reactions can be resolved and characterized. Recently, we generated by atom manipulation the elusive carbon allotrope cyclocarbon and resolved its debated structure .
On insulating substrates, we can control the charge states of molecules. With ultra-high-resolution imaging we resolve how the oxidation state of molecules affects their structure . By alternatively attaching and detaching single charges from a molecule on an insulator, we probe transitions between charged and excited states and quantify singlet and triplet excitation energies .
 L. Gross et al. Angew. Chem Int. Ed. 57, 3888 (2018)
 K. Kaiser et al. Science 365, 1299 (2019)
 S. Fatayer et al. Science 365, 142 (2019)
 S. Fatayer et al. Phys. Rev. Lett. 126, 176801 (2021)
This talk is open to the public and will be given virtually.
The MIT.nano Seminar Series is a monthly lecture on topics related to nanoscience and nanotechnology given by an expert in the field. The series is organized by MIT Assistant Professor Farnaz Niroui.