The conversion of electric power to light is an important scientific and technological
challenge. Advanced experimental methods have provided access to explore the relevant …

Given its central role in photosynthesis,,, and artificial energy-harvesting devices,,, energy
transfer has been widely studied using optical spectroscopy to monitor excitation dynamics …

The interplay between the oxidation state and the optical properties of molecules is
important for applications in displays, sensors, and molecular-based memories. The …

Electrical charges can generate photon emission in nanoscale quantum systems by two
independent mechanisms. First, radiative recombination of pairs of oppositely charged …

This thesis presents a study of the optoelectronic properties of molecular junctions
performed by scanning tunneling microscopy (STM). First, the molecular structures are …