Giant Pyramidal Near‐Infrared InP/ZnS Quantum Dots with Size Over 15 nm for Cell Imaging

W Zhang, X Duan, Y Tan, J Hao, H Zhu… - Laser & Photonics …, 2024 - Wiley Online Library
In recent years, near‐infrared quantum dots (NIR QDs) have emerged as a promising
candidate for biological imaging owing to their strong fluorescence penetrating into …

Tuning of near infrared excitonic emission from InAs quantum dots by controlling the sub-monolayer coverage

S Mukherjee, A Pradhan, T Maitra, S Sengupta… - Journal of …, 2019 - Elsevier
In this paper, we present a combined optical and structural study of GaAs-hosted InAs sub-
monolayer QD (SML-QD) vertical multi-stacks. The main feature of this paper is to …

Effect of size and shell: enhanced optical and surface properties of CdS, ZnS and CdS/ZnS quantum dots

H Kumar, PB Barman, RR Singh - Physica E: Low-Dimensional Systems …, 2015 - Elsevier
This study reports systematic structural, optical and surface studies on wurtzite CdS, ZnS
and CdS/ZnS quantum dots where the effects of size and shell thickness were analysed …

Exciton radiative recombination time in a group III-V/II-VI core/shell quantum dot: Simultaneous effects of pressure and temperature

M Elamathi, AJ Peter - Chemical Physics Letters, 2021 - Elsevier
Excitonic properties of a compound semiconductor from group III-V and group II-VI materials
are studied applying external perturbations. The simultaneous effects of pressure and …

Polarization effects on spectra of spherical core/shell nanostructures: Perturbation theory against finite difference approach

A Ibral, A Zouitine, EM Assaid, H El Achouby… - Physica B: Condensed …, 2015 - Elsevier
Poisson equation is solved analytically in the case of a point charge placed anywhere in a
spherical core/shell nanostructure, immersed in aqueous or organic solution or embedded …

Fröhlich electron–interface and–surface optical phonon interaction Hamiltonian in multilayer coaxial cylindrical AlxGa1− xAs/GaAs quantum cables

L Zhang, HJ Xie - Journal of Physics: Condensed Matter, 2003 - iopscience.iop.org
Under a dielectric continuum approximation, by adopting the transfer matrix method,
interface optical (IO) and surface optical (SO) phonon modes, as well as the Fröhlich …

Optical transitions and photoluminescence in cylindrical core/layer/shell β-CdS/β-HgS/β-CdS heterostructure

VA Harutyunyan, DB Hayrapetyan… - Physics of the Solid …, 2020 - Springer
We present the theoretical consideration of the states of charge carriers in the HgS
quantizing layer of a cylindrical core/layer/shell β-CdS/β-HgS/β-CdS heterostructure in the …

Carrier escape mechanism in laterally correlated InAs sub-monolayer quantum dots using temperature dependent photoluminescence

S Mukherjee, A Pradhan, T Maitra, S Sengupta… - Journal of …, 2019 - Elsevier
We have quantitatively investigated relative effects of photo-carrier escape mechanism upon
the quenching of photoluminescence with temperature in an ensemble of embedded InAs …

TRANSFER MATRIX METHOD FOR THE FRÖHLICH ELECTRON–INTERFACE OPTICAL PHONON INTERACTION IN MULTILAYER COAXIAL CYLINDRICAL …

L Zhang, HJ Xie - International Journal of Modern Physics B, 2004 - World Scientific
Under dielectric continuum approximation, by adopting the transfer matrix method, interface
optical (IO) phonon modes and the Fröhlich electron–IO-phonon interaction Hamiltonian in a …

[PDF][PDF] Interband Absorption and Luminescence in InP/InAs/InP Spherical Core/Shell/Shell Heterostructure for Moderate Regime of Size Quantization.

VA Harutyunyan, EM Kazaryan… - … Physica Polonica, A., 2020 - przyrbwn.icm.edu.pl
Along with many low-dimensional systems different semiconductor spherical core/shell/shell
(quantum dotquantum well) heterostructures have been studied intensively both …