Electronic processes within quantum dot-molecule complexes

RD Harris, S Bettis Homan, M Kodaimati, C He… - Chemical …, 2016 - ACS Publications
The subject of this review is the colloidal quantum dot (QD) and specifically the interaction of
the QD with proximate molecules. It covers various functions of these molecules, including (i) …

Spectral and dynamical properties of multiexcitons in semiconductor nanocrystals

VI Klimov - Annu. Rev. Phys. Chem., 2007 - annualreviews.org
Because of the strong spatial confinement of electronic wave functions and reduced
dielectric screening, the effects of carrier-carrier Coulomb interactions are greatly enhanced …

Metal‐Free Semiconductor‐Based Bio‐Nano Hybrids for Sustainable CO2‐to‐CH4 Conversion with High Quantum Yield

A Hu, J Ye, G Ren, Y Qi, Y Chen… - Angewandte Chemie …, 2022 - Wiley Online Library
Bio‐nano hybrids with methanogens and nano‐semiconductors provide an innovative
strategy for solar‐driven CO2‐to‐CH4 conversion; however, the efficiency mismatch …

Complete ultrafast charge carrier dynamics in photo-excited all-inorganic perovskite nanocrystals (CsPbX 3)

N Mondal, A Samanta - Nanoscale, 2017 - pubs.rsc.org
Understanding the nature and dynamics of the photo-induced transients of all-inorganic
perovskite nanocrystals (NCs) is key to their exploitation in potential applications. In order to …

Optical nonlinearities and ultrafast carrier dynamics in semiconductor nanocrystals

VI Klimov - The Journal of Physical Chemistry B, 2000 - ACS Publications
Femtosecond transient absorption in the visible and infrared spectral ranges has been
applied to study carrier dynamics and mechanisms for resonant optical nonlinearities in …

Small is different: shape-, size-, and composition-dependent properties of some colloidal semiconductor nanocrystals

MA El-Sayed - Accounts of chemical research, 2004 - ACS Publications
As the size of material becomes equal to or falls below the nanometer length scale that
characterizes the motion of its electrons and thus its properties, the latter become sensitive …

Designing the surfaces of semiconductor quantum dots for colloidal photocatalysis

EA Weiss - ACS Energy Letters, 2017 - ACS Publications
This Perspective reviews strategies for tuning the surface chemistry of colloidal
semiconductor nanocrystals (quantum dots, QDs) to function as photoredox catalysts or …

Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: Implications for lasing and solar energy conversion

VI Klimov - The Journal of Physical Chemistry B, 2006 - ACS Publications
One consequence of strong spatial confinement of electronic wave functions in ultrasmall
semiconductor nanocrystals is a great enhancement of carrier− carrier interactions, which …

Comparison of dye-and semiconductor-sensitized porous nanocrystalline liquid junction solar cells

G Hodes - The Journal of Physical Chemistry C, 2008 - ACS Publications
The liquid junction dye-sensitized solar cell (DSSC) has reached laboratory solar
efficiencies of 11%. In contrast, the semiconductor-sensitized analogue (SSSC) has, up to …

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 …