Nanoscale strategies for light harvesting

S Kundu, A Patra - Chemical Reviews, 2017 - ACS Publications
Recent advances and the current status of challenging light-harvesting nanomaterials, such
as semiconducting quantum dots (QDs), metal nanoparticles, semiconductor–metal …

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” …

Ultrafast charge separation and long-lived charge separated state in photocatalytic CdS–Pt nanorod heterostructures

K Wu, H Zhu, Z Liu… - Journal of the …, 2012 - ACS Publications
Colloidal semiconductor–metal nanoheterostructures that combine the light-harvesting
ability of semiconductor nanocrystals with the catalytic activity of small metal nanoparticles …

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 …

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 …

Absolute photoluminescence quantum yields of IR-26 dye, PbS, and PbSe quantum dots

OE Semonin, JC Johnson, JM Luther… - The journal of …, 2010 - ACS Publications
In this study, we have directly measured the photoluminescence quantum yield (ΦPL) of IR-
26 at a range of concentrations and the ΦPL of PbS and PbSe QDs for a range of sizes. We …

Ultrafast hole relaxation dynamics in quantum dots revealed by two-dimensional electronic spectroscopy

PJ Brosseau, JJ Geuchies, D Jasrasaria… - Communications …, 2023 - nature.com
Elucidating the population dynamics of correlated electron-hole pairs (bound excitons) in
semiconducting quantum dots (QDs) is key for developing our fundamental understanding of …

Light-driven and phonon-assisted dynamics in organic and semiconductor nanostructures

S Kilina, D Kilin, S Tretiak - Chemical reviews, 2015 - ACS Publications
Rapid advances in chemical synthesis and fabrication techniques have led to a boost in
manufacturing and design of novel nanostructured materials that exhibit unique and often …

Hot carriers perspective on the nature of traps in perovskites

M Righetto, SS Lim, D Giovanni, JWM Lim… - Nature …, 2020 - nature.com
Amongst the many spectacular properties of hybrid lead halide perovskites, their defect
tolerance is regarded as the key enabler for a spectrum of high-performance optoelectronic …

Direct observation of higher multiexciton formation and annihilation in CdSe quantum dots

DP Strandell, A Ghosh, D Zenatti… - The Journal of …, 2023 - ACS Publications
Most experiments on multiexcitons (MX) in quantum dots focused on the biexciton (XX),
which is now well-understood. In contrast, there is little understanding of higher MX in …