Unraveling the structure and dynamics of excitons in semiconductor quantum dots
P Kambhampati - Accounts of chemical research, 2011 - ACS Publications
The quantum dot, one of the central materials in nanoscience, is a semiconductor crystal
with a physical size on the nanometer length scale. It is often called an “artificial atom” …
with a physical size on the nanometer length scale. It is often called an “artificial atom” …
The role of ligands in determining the exciton relaxation dynamics in semiconductor quantum dots
MD Peterson, LC Cass, RD Harris… - Annual review of …, 2014 - annualreviews.org
This article reviews the mechanisms through which molecules adsorbed to the surfaces of
semiconductor nanocrystals, quantum dots (QDs), influence the pathways for and dynamics …
semiconductor nanocrystals, quantum dots (QDs), influence the pathways for and dynamics …
Hot exciton relaxation dynamics in semiconductor quantum dots: radiationless transitions on the nanoscale
P Kambhampati - The Journal of Physical Chemistry C, 2011 - ACS Publications
The ability to confine electrons and holes in semiconductor quantum dots (QDs) in the form
of excitons creates an electronic structure which is both novel and potentially useful for a …
of excitons creates an electronic structure which is both novel and potentially useful for a …
Charge transfer dynamics from photoexcited semiconductor quantum dots
Understanding photoinduced charge transfer from nanomaterials is essential to the many
applications of these materials. This review summarizes recent progress in understanding …
applications of these materials. This review summarizes recent progress in understanding …
False multiple exciton recombination and multiple exciton generation signals in semiconductor quantum dots arise from surface charge trapping
P Tyagi, P Kambhampati - The Journal of Chemical Physics, 2011 - pubs.aip.org
Multiple exciton recombination (MER) and multiple exciton generation (MEG) are two of the
main processes for assessing the usefulness of quantum dots (QDs) in photovoltaic devices …
main processes for assessing the usefulness of quantum dots (QDs) in photovoltaic devices …
Sub-single-exciton optical gain in lead halide perovskite quantum dots revealed by exciton polarization spectroscopy
Optical gain of colloidal quantum dots (QDs) is often attained in the multiexciton regime,
which strongly complicates their lasing applications as the gain lifetime is limited by …
which strongly complicates their lasing applications as the gain lifetime is limited by …
Multiexcitons in semiconductor nanocrystals: a platform for optoelectronics at high carrier concentration
P Kambhampati - The Journal of Physical Chemistry Letters, 2012 - ACS Publications
It is well-known that the shape, size, and composition of semiconductor nanocrystals give
rise to a quantized manifold of electronic states, that is, excitons. In addition, these …
rise to a quantized manifold of electronic states, that is, excitons. In addition, these …
Exciton superposition states in CdSe nanocrystals measured using broadband two-dimensional electronic spectroscopy
DB Turner, Y Hassan, GD Scholes - Nano letters, 2012 - ACS Publications
Coherent superpositions among eigenstates are of interest in fields as diverse as
photosynthesis and quantum computation. In this report, we used two-dimensional …
photosynthesis and quantum computation. In this report, we used two-dimensional …
Electron− phonon coupling in CdSe nanocrystals
AM Kelley - The Journal of Physical Chemistry Letters, 2010 - ACS Publications
The coupling between nuclear vibrations and electronic excitations (electron− phonon
coupling) in semiconductor nanocrystals influences many photophysical processes in these …
coupling) in semiconductor nanocrystals influences many photophysical processes in these …
Probing homogeneous line broadening in CdSe nanocrystals using multidimensional electronic spectroscopy
The finite spectral line width of an ensemble of CdSe nanocrystals arises from size and
shape inhomogeneity and the single-nanocrystal spectrum itself. This line width directly …
shape inhomogeneity and the single-nanocrystal spectrum itself. This line width directly …