Colloidal quantum dots as platforms for quantum information science

CR Kagan, LC Bassett, CB Murray… - Chemical …, 2020 - ACS Publications
Colloidal quantum dots (QDs) are nanoscale semiconductor crystals with surface ligands
that enable their dispersion in solvents. Quantum confinement effects facilitate wave function …

Semiconducting quantum dots for artificial photosynthesis

XB Li, CH Tung, LZ Wu - Nature Reviews Chemistry, 2018 - nature.com
Sunlight is our most abundant, clean and inexhaustible energy source. However, its diffuse
and intermittent nature makes it difficult to use directly, suggesting that we should instead …

Photoluminescence lifetimes exceeding 8 μs and quantum yields exceeding 30% in hybrid perovskite thin films by ligand passivation

DW DeQuilettes, S Koch, S Burke, RK Paranji… - ACS Energy …, 2016 - ACS Publications
We study the effects of a series of post-deposition ligand treatments on the
photoluminescence (PL) of polycrystalline methylammonium lead triiodide perovskite thin …

Three-orders-of-magnitude variation of carrier lifetimes with crystal phase of gold nanoclusters

M Zhou, T Higaki, G Hu, MY Sfeir, Y Chen, D Jiang… - Science, 2019 - science.org
We report a three-orders-of-magnitude variation of carrier lifetimes in exotic crystalline
phases of gold nanoclusters (NCs) in addition to the well-known face-centered cubic …

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) …

Surface termination, morphology, and bright photoluminescence of cesium lead halide perovskite nanocrystals

S ten Brinck, I Infante - ACS Energy Letters, 2016 - ACS Publications
Colloidal cesium lead halide perovskite nanocrystals (CsPbX3 PNCs, X= Cl, Br, I) exhibit
important optoelectronic properties that make them amenable for a plethora of applications …

Quantifying ligand exchange reactions at CdSe nanocrystal surfaces

RR Knauf, JC Lennox, JL Dempsey - Chemistry of Materials, 2016 - ACS Publications
The exchange reactions of X-type ligands at the surface of CdSe nanocrystals have been
quantified via 1H NMR, absorbance, and emission spectroscopies. 1H NMR was used to …

Colloidal quantum dots intraband photodetectors

Z Deng, KS Jeong, P Guyot-Sionnest - ACS nano, 2014 - ACS Publications
Photoconductivity is demonstrated with monodispersed HgSe colloidal quantum dots that
are illuminated with radiation resonant with 1Se–1Pe intraband electronic absorption …

[HTML][HTML] Surface ligands engineering of semiconductor quantum dots for chemosensory and biological applications

J Zhou, Y Liu, J Tang, W Tang - Materials Today, 2017 - Elsevier
Featuring size-tunable electrical and optical properties, semiconductor quantum dots (QDs)
are appealing intensive interests in developing ingenious luminescent materials for …

Quantum Dot Assembly for Light‐Driven Multielectron Redox Reactions, such as Hydrogen Evolution and CO2 Reduction

XB Li, CH Tung, LZ Wu - Angewandte Chemie International …, 2019 - Wiley Online Library
Light‐driven multielectron redox reactions (eg, hydrogen (H2) evolution, CO2 reduction)
have recently appeared at the front of solar‐to‐fuel conversion. In this Minireview, we focus …