On the kinetics and thermodynamics of excitons at the surface of semiconductor nanocrystals: Are there surface excitons?
P Kambhampati - Chemical Physics, 2015 - Elsevier
The surface of semiconductor nanocrystals is one of their defining features by virtue of their
nanometer size. Yet the surface is presently among the most poorly understood aspects of …
nanometer size. Yet the surface is presently among the most poorly understood aspects of …
The Science of Nanostructure Acoustic Vibrations
C Wright, GV Hartland - Annual review of physical chemistry, 2024 - annualreviews.org
Ultrafast excitation of nanoparticles can excite the acoustic vibrational modes of the structure
that correlate with the expansion coordinates. These modes are frequently seen in transient …
that correlate with the expansion coordinates. These modes are frequently seen in transient …
Lack of consensus on an aging biology paradigm? A global survey reveals an agreement to disagree, and the need for an interdisciplinary framework
At a recent symposium on aging biology, a debate was held as to whether or not we know
what biological aging is. Most of the participants were struck not only by the lack of …
what biological aging is. Most of the participants were struck not only by the lack of …
Increasing the Energy Gap between Band‐Edge and Trap States Slows Down Picosecond Carrier Trap** in Highly Luminescent InP/ZnSe/ZnS Quantum Dots
Non‐toxic InP‐based nanocrystals have been developed for promising candidates for
commercial optoelectronic applications and they still require further improvement on …
commercial optoelectronic applications and they still require further improvement on …
Density of trap states and Auger-mediated electron trap** in CdTe quantum-dot solids
Charge trap** is an ubiquitous process in colloidal quantum-dot solids and a major
limitation to the efficiency of quantum dot based devices such as solar cells, LEDs, and …
limitation to the efficiency of quantum dot based devices such as solar cells, LEDs, and …
A new passivation route leading to over 8% efficient PbSe quantum‐dot solar cells via direct ion exchange with perovskite nanocrystals
Colloidal quantum dots (QDs) are promising candidate materials for photovoltaics (PV)
owing to the tunable bandgap and low‐cost solution processability. Lead selenide (PbSe) …
owing to the tunable bandgap and low‐cost solution processability. Lead selenide (PbSe) …
Persistent interexcitonic quantum coherence in CdSe quantum dots
The creation and manipulation of quantum superpositions is a fundamental goal for the
development of materials with novel optoelectronic properties. In this Letter, we report …
development of materials with novel optoelectronic properties. In this Letter, we report …
Elucidation of photoluminescence blinking mechanism and multiexciton dynamics in hybrid organic–inorganic perovskite quantum dots
Halide perovskites (ABX3) have emerged as promising materials in the past decade owing
to their superior photophysical properties, rendering them potential candidates as solar …
to their superior photophysical properties, rendering them potential candidates as solar …
Exploring size and state dynamics in CdSe quantum dots using two-dimensional electronic spectroscopy
Development of optoelectronic technologies based on quantum dots depends on
measuring, optimizing, and ultimately predicting charge carrier dynamics in the nanocrystal …
measuring, optimizing, and ultimately predicting charge carrier dynamics in the nanocrystal …
Colloidal Bi2S3 Nanocrystals: Quantum Size Effects and Midgap States
Among solution‐processed nanocrystals containing environmentally benign elements,
bismuth sulfide (Bi2S3) is a very promising n‐type semiconductor for solar energy …
bismuth sulfide (Bi2S3) is a very promising n‐type semiconductor for solar energy …