Recent advances in quantum dot-based light-emitting devices: Challenges and possible solutions

Z Yang, M Gao, W Wu, X Yang, XW Sun, J Zhang… - Materials Today, 2019 - Elsevier
Colloidal quantum dots (QDs) have been generating substantial interest due to their unique
properties, which include high quantum efficiency, high color purity, low-cost solution …

The synthesis and fabrication of one‐dimensional nanoscale heterojunctions

AJ Mieszawska, R Jalilian, GU Sumanasekera… - Small, 2007 - Wiley Online Library
There are a variety of methods for synthesizing or fabricating one‐dimensional (1D)
nanostructures containing heterojunctions between different materials. Here we review …

Temperature-dependent photoluminescence of CdSe-core CdS/CdZnS/ZnS-multishell quantum dots

P Jing, J Zheng, M Ikezawa, X Liu, S Lv… - The Journal of …, 2009 - ACS Publications
The photoluminescence (PL) spectra of CdSe-core CdS/CdZnS/ZnS-multishell quantum
dots (QDs) were studied to understand the radiative and nonradiative relaxation processes …

Tetrapod-shaped colloidal nanocrystals of II− VI semiconductors prepared by seeded growth

A Fiore, R Mastria, MG Lupo, G Lanzani… - Journal of the …, 2009 - ACS Publications
We report a general synthetic approach to tetrapod-shaped colloidal nanocrystals made of
various combinations of II− VI semiconductors. Uniform tetrapods were prepared using …

Physical properties of elongated inorganic nanoparticles

R Krahne, G Morello, A Figuerola, C George, S Deka… - Physics Reports, 2011 - Elsevier
Inorganic nanoparticles are among the most investigated nano-objects nowadays, both in
fundamental science and in various technological applications. In this paper, we describe …

Temperature and size dependence of nonradiative relaxation and exciton− phonon coupling in colloidal CdTe quantum dots

G Morello, M De Giorgi, S Kudera… - The Journal of …, 2007 - ACS Publications
We report on the temperature and size dependence of the photoluminescence of core CdTe
colloidal quantum dots (QDs). We show that at temperatures lower than 170 K a thermally …

Ultrafast electron− hole dynamics in core/shell CdSe/CdS dot/rod nanocrystals

MG Lupo, F Della Sala, L Carbone… - Nano …, 2008 - ACS Publications
We investigated the transient bleaching and absorption of the asymmetric core/shell
CdSe/CdS nanorods using the pump− probe technique. We observed ultrafast carrier …

Lasing in self-assembled microcavities of CdSe/CdS core/shell colloidal quantum rods

M Zavelani-Rossi, MG Lupo, R Krahne, L Manna… - Nanoscale, 2010 - pubs.rsc.org
Colloidal semiconductor quantum rods have demonstrated many advantageous properties
as light emitters such as high quantum yield, tunable emission wavelength, and polarized …

On the use of time-resolved photoluminescence as a probe of nanocrystal photoexcitation dynamics

M Jones, GD Scholes - Journal of Materials Chemistry, 2010 - pubs.rsc.org
It is becoming increasingly evident that to exploit nanocrystals in light-harvesting
applications requires a high-level understanding of the interactions that link exciton states …

Photoinduced surface oxidation and its effect on the exciton dynamics of CdSe quantum dots

DA Hines, MA Becker, PV Kamat - The Journal of Physical …, 2012 - ACS Publications
With increased interest in semiconductor nanoparticles for use in quantum dot solar cells
there comes a need to understand the long-term photostability of such materials. Colloidal …