Aqueous based semiconductor nanocrystals

L Jing, SV Kershaw, Y Li, X Huang, Y Li… - Chemical …, 2016 - ACS Publications
This review summarizes traditional and recent nonconventional, bioinspired, methods for the
aqueous synthesis of colloidal semiconductor quantum dots (QDs). The basic chemistry …

Structure and photophysics of semiconductor nanocrystals

A Eychmüller - The Journal of Physical Chemistry B, 2000 - ACS Publications
Nanoparticle research is still a rapidly growing field of science. Semiconductor nanocrystals
of a large variety of compositions have been prepared in exceedingly good quality. State-of …

Wavefunction engineering of type-I/type-II excitons of CdSe/CdS core-shell quantum dots

Y Nandan, MS Mehata - Scientific reports, 2019 - nature.com
Nanostructured semiconductors have the unique shape/size-dependent band gap tunability,
which has various applications. The quantum confinement effect allows controlling the …

Development of an eight-band theory for quantum dot heterostructures

EP Pokatilov, VA Fonoberov, VM Fomin, JT Devreese - Physical Review B, 2001 - APS
We derive a nonsymmetrized eight-band effective-mass Hamiltonian for quantum dot
heterostructures (QDH's) in Burt's envelope-function representation. The 8× 8 radial …

Exciton states and optical transitions in colloidal CdS quantum dots: Shape and dielectric mismatch effects

VA Fonoberov, EP Pokatilov, AA Balandin - Physical Review B, 2002 - APS
We present a theoretical investigation of electron-hole and exciton energy spectra as well as
oscillator strengths of optical transitions in colloidal CdS quantum dots (QD's) with spherical …

Effective mass approximation for two extreme semiconductors: Band gap of PbS and CuBr nanoparticles

KK Nanda, FE Kruis, H Fissan, SN Behera - Journal of applied physics, 2004 - pubs.aip.org
An effective mass approximation (EMA) with finite-depth square-well potential is used to
investigate the size-dependent band gap (BG) of PbS and CuBr nanoparticles embedded in …

Optically detected magnetic resonance studies of colloidal semiconductor nanocrystals

E Lifshitz, L Fradkin, A Glozman… - Annu. Rev. Phys …, 2004 - annualreviews.org
▪ Abstract The review describes the studies of the magneto-optical properties of II-VI and III-V
semiconductor nanocrystals (NCs) capped with organic or inorganic epitaxial shells. The …

Off-centering of hydrogenic impurities in quantum dots

JL Movilla, J Planelles - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We report exact numerically calculated ground state and binding energies of a hydrogenic
donor impurity confined everywhere inside a spherical quantum dot (QD) surrounded by air …

Ultrafast electron transfer dynamics in CdSe/CdTe donor− acceptor nanorods

CJ Dooley, SD Dimitrov, T Fiebig - The Journal of Physical …, 2008 - ACS Publications
Photoinduced charge transfer dynamics in type-II CdSe/CdTe donor− acceptor nanorods
were studied in real-time using femtosecond broadband pump− probe spectroscopy …

Variation of the thickness and number of wells in the CdS/HgS/CdS quantum dot quantum well system

M Braun, C Burda, MA El-Sayed - The Journal of Physical …, 2001 - ACS Publications
We report on the first chemically prepared multilayer quantum well structure in a
semiconductor quantum dot. By subsequent precipitation of HgS, CdS, HgS, and again CdS …