Plasmons are collective oscillations of the free electrons gas in noble metals. This effect, leading to nanocondensing the electromagnetic field, is well known to have strong impact on the optical properties of coupled emitters. In our studies we employ multiple types of plasmonically-active nanomaterials, in particular silver nanowires, silver islands, gold spheres, gold nanorods, or laser-printed nanopaths.
Our group is specialized in chemical synthesis of metallic nanoparticles, chemical surface modification and assembling of highly organized hybrid nanostructures. In our experiments we investigate the interaction occuring between metallic nanostructures and fluorophores, especially emission/absorption enhancements or quenching. On the other hand, for elongated structures, like nanowires, also similar effect can be found, in which energy can be transferred in micromenter-scale ranges by surface plasmon polaritons.
Related papers:
- K. Sulowska, E. Roźniecka, J. Niedziółka-Jönsson, S. Maćkowski
“Aligned silver nanowires for plasmonically-enhanced fluorescence detection of photoactive proteins in wet and dry environment”
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 289 (2023), 122225.
DOI: 10.1016/j.saa.2022.122225 - M. Szalkowski, D. Kowalska, J. D. Janna Olmos, J. Kargul, S. Maćkowski
“Improving photostability of photosystem I-based nanodevice by plasmonic interactions with planar silver nanostructures”
International Journal of Molecular Sciences, 23 (2022), 2976.
DOI: 10.3390/ijms23062976 - K. Sulowska, E. Roźniecka , K. Wiwatowski, M. Janczuk-Richter , M. Jönsson-Niedziółka, , J. Niedziółka-Jönsson, S. Maćkowski
“Patterned silver island paths as high-contrast optical sensing platforms”
Mater. Sci. Eng., B 268 (2021), 115124
DOI: 10.1016/j.mseb.2021.115124 - M. Szalkowski, E. Harputlu, M. Kiliszek, C. G. Unlu, S. Maćkowski, K. Ocakoglu, J. Kargul, D. Kowalska
“Plasmonic enhancement of photocurrent generation in a photosystem I-based hybrid electrode”
J. Mater. Chem. C 8 (2020), 5807–5814
DOI: 10.1039/C9TC06983F - D. Kowalska, M. Szalkowski, K. Sulowska, D. Buczynska, J. Niedziolka-Jonsson, M. Jonsson-Niedziolka , J. Kargul, H. Lokstein, S. Maćkowski
“Silver Island Film for Enhancing Light Harvesting in Natural Photosynthetic Proteins”
Int. J. Mol. Sci. 21 (2020), 2451
DOI: 10.3390/ijms21072451