Research interests in our research group

Optical spectroscopy is a powerful tool for investigating matter in all phases from gas to solid. Utilizing advanced laser spectroscopic methods it is possible to obtain information on energy level structure and dynamics of studied systems. Highly accurate information on specific energy levels can be obtained, or on the other hand, dynamics of atomic motions can be “seen” in real time. By combining spectroscopy with microscopy, spatially resolved information can be obtained down to single-molecule limit.

We are interested in applying optical spectroscopic and microscopic methods for studying nano-objects. We combine spectroscopy, microscopy, nanofabrication and nanocharacterization methods and theoretical simulations in an effort to reveal new phenomena in nanoscale. In particular, we are aiming at understanding structure-property relations. To this end, we employ two strategies: investigations of single nano-objects and investigations of nanomaterials with homodispersity up to atomic precision.

Examples of studied objects are individual single walled carbon nanotubes (SWCNT) and ligand-protected gold nanoclusters. We are interested in questions such as “When does a nanocluster change from molecular to metallic system?” or “How is energy dissipated in a nanocluster after photon absorption?” We also develop new optical methods for manipulation of nanomaterials such as laser-induced photo-oxidation of graphene. We also bring our innovations to the society by developing novel spectroscopy-based applications for commercialization.

Suggestions for collaboration are welcome!

Selected publications

Publication 1

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Publication 2

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Publication 3

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