Multicarrier dynamics play an essential role in quantum dot photophysics and
photochemistry, and they are primarily governed by nonradiative Auger processes. Auger …

The field of nanocatalysis (in which nanoparticles are used to catalyze reactions) has
undergone an exponential growth during the past decade. Two types of studies have been …

Femtosecond transient absorption in the visible and infrared spectral ranges has been
applied to study carrier dynamics and mechanisms for resonant optical nonlinearities in …

Femtosecond (fs) broad-band transient absorption (TA) is used to study the intraband
relaxation and depopulation dynamics of electron and hole quantized states in CdSe …

High-sensitivity femtosecond transient absorption is applied to directly measure the
population-depopulation dynamics of the lowest (1 S) and the first excited (1 P) electron …

Interfacial electron transfer (ET) between semiconductor nanomaterials and molecular
adsorbates is an important fundamental process that is relevant to applications of these …

An Auger-like mechanism is described for the rapid transfer of the electron energy to the
hole in the valence band via their Coulomb interaction in the nanometer size quantum dots …

The vast technological potential of nanocrystalline materials, as well as current intense
interest in the physics and chemistry of nanoscale phenomena, has led to explosive growth …

Electron injection dynamics in dye sensitized TiO 2 nanocrystalline thin films are studied
with femtosecond mid-infrared spectroscopy. Three classes of sensitizer molecules, Ru …

A combination of transient absorption (TA) and time-resolved photoluminescence (TRPL)
spectroscopies performed on solution-phase samples of colloidal CdSe quantum dots (QDs) …