Ordering, positioning and uniformity of quantum dot arrays

H Lan, Y Ding - Nano today, 2012 - Elsevier
Quantum dot (QD) arrays have now been attracting tremendous attention due to the
potential applications in various high performance devices (eg, QD lasers, 3rd generation …

Optical properties of coupled metal-semiconductor and metal-molecule nanocrystal complexes: Role of multipole effects

JY Yan, W Zhang, S Duan, XG Zhao, AO Govorov - Physical Review B …, 2008 - APS
We theoretically investigate the effects of interaction between an optical dipole
(semiconductor quantum dot or molecule) and metal nanoparticles. The calculated …

Intermediate-band solar cells based on quantum dot supracrystals

Q Shao, AA Balandin, AI Fedoseyev… - Applied Physics …, 2007 - pubs.aip.org
The authors show that the ordered three-dimensional arrays of quantum dots, ie, quantum
dot supracrystals, can be used to implement the intermediate-band solar cell with the …

Fabrication of (In, Ga) As quantum-dot chains on GaAs (100)

ZM Wang, K Holmes, YI Mazur, GJ Salamo - Applied Physics Letters, 2004 - pubs.aip.org
Nanostructure evolution during the growth of multilayers of In 0.5 Ga 0.5 As/GaAs (100) by
molecular-beam epitaxy is investigated to control the formation of lines of quantum dots …

The inhibition of optical excitations and enhancement of Rabi flopping in hybrid quantum dot–metallic nanoparticle systems

SM Sadeghi - Nanotechnology, 2009 - iopscience.iop.org
We study the inhibition of optical excitation and enhancement of Rabi flopping and
frequency in semiconductor quantum dots via plasmonic effects. This is done by …

Controlling Planar and Vertical Ordering in Three-Dimensional (In, Ga) As<? format?> Quantum Dot Lattices by GaAs Surface Orientation

M Schmidbauer, S Seydmohamadi, D Grigoriev… - Physical review …, 2006 - APS
Anisotropic surface diffusion and strain are used to explain the formation of three-
dimensional (In, Ga) As quantum dot lattices. The diffusion characteristics of the surface …

Recent progress in photovoltaic and thermoelectric applications of coupled colloidal quantum dot solids: insights into charge transport fundamentals

A Manna, N Ray - Nano Express, 2024 - iopscience.iop.org
Colloidal quantum dots (QDs) have emerged as transformative materials with diverse
properties, holding tremendous promise for reshaping the landscape of photovoltaics and …

Semiconductor-metal nanoparticle molecules in a magnetic field: Spin-plasmon and exciton-plasmon interactions

AO Govorov - Physical Review B—Condensed Matter and Materials …, 2010 - APS
Excitons and plasmons in hybrid semiconductor-metal nanostructures strongly interact via
the Coulomb forces. Simultaneously, excitons in semiconductors experience typically strong …

Anisotropic photoconductivity of InGaAs quantum dot chains measured by terahertz pulse spectroscopy

DG Cooke, FA Hegmann, YI Mazur, WQ Ma… - Applied physics …, 2004 - pubs.aip.org
We report results of time-resolved terahertz (THz) pulse spectroscopy experiments on
laterally ordered chains of self-assembled InGaAs quantum dots photoexcited with 400 …

Deep level centers and their role in photoconductivity transients of InGaAs/GaAs quantum dot chains

SV Kondratenko, OV Vakulenko, YI Mazur… - Journal of Applied …, 2014 - pubs.aip.org
The in-plane photoconductivity and photoluminescence are investigated in quantum dot-
chain InGaAs/GaAs heterostructures. Different photoconductivity transients resulting from …