Authors
Ghosh S, Hollingsworth JA, Gallea JI, Majumder S, Enderlein J, Chizhik AI
Journal
Nanotechnology
Citation
Nanotechnology. 2022 Jun 15;33(36).
Abstract
We report on proof of principle measurements of a concept for a super-resolution imaging method that is based on excitation field density-dependent lifetime modulation of semiconductor nanocrystals. The prerequisite of the technique is access to semiconductor nanocrystals with emission lifetimes that depend on the excitation intensity. Experimentally, the method requires a confocal microscope with fluorescence-lifetime measurement capability that makes it easily accessible to a broad optical imaging community. We demonstrate with single particle imaging that the method allows one to achieve a spatial resolution of the order of several tens of nanometers at moderate fluorescence excitation intensity.
DOI
10.1088/1361-6528/ac73a2
Pubmed Link
