November 25, 2024
Ahmad Mohammadi

Ahmad Mohammadi

Academic Rank: Associate professor
Address:
Degree: Ph.D in -
Phone: -
Faculty: Faculty of Nano and Biotechnology

Research

Title Fluorescence Enhancement with the Optical (Bi-) Conical Antenna
Type Article
Keywords
Journal Journal of Physical Chemistry C
DOI
Researchers Ahmad Mohammadi (First researcher) ,

Abstract

We investigate the properties of finite gold nanocones as optical antennas for enhancing molecular fluorescence. We compute the modification of the excitation rate, spontaneous emission rate, and quantum efficiency as a function of the nanocone base and length, showing that the maximum field and fluorescence enhancements do not occur for the same nanocone parameters. We compare the results with those for nanorods and nanospheroids and find that nanocones perform better.