PHYS/ASTR Colloquium: "Nano-optical Imaging of 2D Materials and Cells" - Dr. Dmitri Voronine (U. South Florida)

Monday, November 27, 2023
Event Time 03:30 p.m. - 04:45 p.m. PT
Location Thornton Hall 411
Contact Email


Nano-optical Imaging of 2D Materials and Cells 

Recent advances in high-resolution imaging have improved communication, sensing, and biomedical technologies, providing new insights into morphological, electrical, and biochemical properties of semiconductor devices, biological cells, and tissues, scaling down to the molecular level. Low-dimensional materials provide novel platforms for optoelectronic and quantum device applications due to the broad tunability of their optical and electronic properties. Understanding and controlling these properties at the nanoscale requires the use of nano-optical characterization tools such as atomic force microscopy (AFM) combined with near-field imaging methods of tip-enhanced photoluminescence (TEPL) and tip-enhanced Raman scattering (TERS). Correlated multi-mode imaging provides nanoscale information about the structure, phase, strain, and coupling of complex 1D and 2D materials. This presentation will give an overview of the state-of-the-art and future directions in the development and applications of several related technologies, including quantum plasmonic effects in TMD heterostructures, bacteria and cancer cells.

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