Spectroscopic and device aspects of nanocrystal quantum dots

JM Pietryga, YS Park, J Lim, AF Fidler, WK Bae… - Chemical …, 2016 - ACS Publications
The field of nanocrystal quantum dots (QDs) is already more than 30 years old, and yet
continuing interest in these structures is driven by both the fascinating physics emerging …

Two-dimensional colloidal nanocrystals

M Nasilowski, B Mahler, E Lhuillier, S Ithurria… - Chemical …, 2016 - ACS Publications
In this paper, we review recent progress on colloidal growth of 2D nanocrystals. We identify
the four main sources of anisotropy which lead to the formation of plate-and sheet-like …

Bright colloidal quantum dot light-emitting diodes enabled by efficient chlorination

X Li, YB Zhao, F Fan, L Levina, M Liu… - Nature …, 2018 - nature.com
The external quantum efficiencies of state-of-the-art colloidal quantum dot light-emitting
diodes (QLEDs) are now approaching the limit set by the out-coupling efficiency. However …

Charge transport in strongly coupled quantum dot solids

CR Kagan, CB Murray - Nature nanotechnology, 2015 - nature.com
The emergence of high-mobility, colloidal semiconductor quantum dot (QD) solids has
triggered fundamental studies that map the evolution from carrier hopping through localized …

Energy level modification in lead sulfide quantum dot thin films through ligand exchange

PR Brown, D Kim, RR Lunt, N Zhao, MG Bawendi… - ACS …, 2014 - ACS Publications
The electronic properties of colloidal quantum dots (QDs) are critically dependent on both
QD size and surface chemistry. Modification of quantum confinement provides control of the …

Quantum dot solids showing state-resolved band-like transport

X Lan, M Chen, MH Hudson, V Kamysbayev, Y Wang… - Nature Materials, 2020 - nature.com
Improving charge mobility in quantum dot (QD) films is important for the performance of
photodetectors, solar cells and light-emitting diodes. However, these applications also …

Ligand exchange and the stoichiometry of metal chalcogenide nanocrystals: spectroscopic observation of facile metal-carboxylate displacement and binding

NC Anderson, MP Hendricks, JJ Choi… - Journal of the American …, 2013 - ACS Publications
We demonstrate that metal carboxylate complexes (L–M (O2CR) 2, R= oleyl, tetradecyl, M=
Cd, Pb) are readily displaced from carboxylate-terminated ME nanocrystals (ME= CdSe …

Prospects of nanoscience with nanocrystals

MV Kovalenko, L Manna, A Cabot, Z Hens… - ACS …, 2015 - ACS Publications
Colloidal nanocrystals (NCs, ie, crystalline nanoparticles) have become an important class
of materials with great potential for applications ranging from medicine to electronic and …

25th anniversary article: colloidal quantum dot materials and devices: a quarter‐century of advances

JY Kim, O Voznyy, D Zhitomirsky… - Advanced …, 2013 - Wiley Online Library
Colloidal quantum dot (CQD) optoelectronics offers a compelling combination of low‐cost,
large‐area solution processing, and spectral tunability through the quantum size effect …

The architecture of colloidal quantum dot solar cells: materials to devices

IJ Kramer, EH Sargent - Chemical reviews, 2014 - ACS Publications
Colloidal quantum dots (CQDs) are nanometer-sized particles of semiconductor dispersed
in a solvent with the aid of a stabilizing ligand. CQDs' physical dimensions and shape dictate …