Previously unwelcome, defects are emerging as a new frontier of research, providing a
molecular focal point to study the coupling of electrons, excitons, phonons and spin in low …

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

Many important energy-transfer and optical processes, in both biological and artificial
systems, depend crucially on excitonic coupling that spans several chromophores,,,,,,,,. Such …

Electrically driven molecular light emitters are considered to be one of the promising
candidates as single-photon sources. However, it is yet to be demonstrated that electrically …

The electroluminescence of a polythiophene wire suspended between a metallic surface
and the tip of a scanning tunneling microscope is reported. Under positive sample voltage …

In this review, we describe recent progress made in the study of nanoparticles characterized
by scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS). Basic …

Supramolecular coordination chemistry is currently a very popular topic in metallorganic
chemistry and has a very large impact on a broad field of applications. More importantly, the …

Efficient upconversion electroluminescence is highly desirable for a broad range of
optoelectronic applications, yet to date, it has been reported only for ensemble systems …

The understanding of and control over light emission from quantum tunneling has
challenged researchers for more than four decades due to the intricate interplay of electrical …

In recent years, tunnel junctions have reemerged as promising candidates for the
transduction of electrical to optical signals at the nanoscale. The process of interest is known …