Ensemble and single particle photophysical properties (two‐photon excitation, anisotropy, FRET, lifetime, spectral conversion) of commercial quantum dots in solution …

HE Grecco, KA Lidke, R Heintzmann… - Microscopy research …, 2004 - Wiley Online Library
In this work, we characterized streptavidin-conjugated quantum dots (QDs) manufactured by
Quantum Dot Corporation. We present data on:(1) two-photon excitation;(2) fluorescence …

Cadmium-free and efficient type-II InP/ZnO/ZnS quantum dots and their application for LEDs

GO Eren, S Sadeghi, H Bahmani Jalali… - … Applied Materials & …, 2021 - ACS Publications
It is a generally accepted perspective that type-II nanocrystal quantum dots (QDs) have low
quantum yield due to the separation of the electron and hole wavefunctions. Recently, high …

Cylindrically shaped zinc-blende semiconductor quantum dots do not have cylindrical symmetry: Atomistic symmetry, atomic relaxation, and piezoelectric effects

G Bester, A Zunger - Physical Review B—Condensed Matter and Materials …, 2005 - APS
Self-assembled quantum dots are often modeled by continuum models (effective mass or k∙
p) that assume the symmetry of the dot to be that of its overall geometric shape. Lens …

A Real‐Time In Situ Demonstration of Direct and Indirect Transformation Pathways in CdTe Magic‐Size Clusters at Room Temperature

C Luan, Q Shen, N Rowell, M Zhang… - Angewandte Chemie …, 2022 - Wiley Online Library
The transformations of colloidal semiconductor magic‐size clusters (MSCs) are expected to
occur with only discrete, step‐wise redshifts in optical absorption. Here, we challenge this …

Ab initio structural and electronic properties of hydrogenated silicon nanoclusters in the ground and excited state

E Degoli, G Cantele, E Luppi, R Magri, D Ninno, O Bisi… - Physical Review B, 2004 - APS
Electronic and structural properties of small hydrogenated silicon nanoclusters as a function
of dimension are calculated from ab initio technique. The effects induced by the creation of …

Tight-binding calculation of the optical absorption cross section of spherical and ellipsoidal silicon nanocrystals

F Trani, G Cantele, D Ninno, G Iadonisi - Physical Review B—Condensed …, 2005 - APS
Electronic and optical properties of silicon nanocrystals are calculated and discussed within
a semiempirical tight-binding approach, which allows to study systems composed of …

A green, cheap, high-performance carbonaceous catalyst derived from Chlorella pyrenoidosa for oxygen reduction reaction in microbial fuel cells

Z Fan, J Li, Y Zhou, Q Fu, W Yang, X Zhu… - international journal of …, 2017 - Elsevier
Lack of low-cost, stable, and effective catalysts for the oxygen reduction reaction (ORR) is
one of the key factors limiting the practical application of microbial fuel cells (MFCs). In this …

Optical properties and effect of magnetic field on energy spectra of a GaAs spherical quantum dot

V Kumar, SB Bhardwaj, RM Singh, F Chand - The European Physical …, 2023 - Springer
In the present work, optical absorption coefficients and refractive index changes of a GaAs
spherical quantum dot are investigated within the framework of the Coulomb plus linear …

Hydrogen-like donor impurity states in strongly prolate ellipsoidal quantum dot

DB Hayrapetyan - Physica E: Low-dimensional Systems and …, 2023 - Elsevier
In the current article, the binding energy and impurity-related photoionization cross-section
are investigated for the case of an infinite confinement potential well model using a …

Optical properties of spherical quantum dot using screened Kratzer potential

V Kumar, M Bansal, SB Bhardwaj, RM Singh… - Physica B: Condensed …, 2024 - Elsevier
Here we investigate the optical properties of a spherical quantum dot using the screened
Kratzer potential. The density matrix formalism is employed to study refractive index …