Integrated structure and device engineering for high performance and scalable quantum dot infrared photodetectors

K Xu, W Zhou, Z Ning - Small, 2020 - Wiley Online Library
Colloidal quantum dots (CQDs) are emerging as promising materials for the next generation
infrared (IR) photodetectors, due to their easy solution processing, low cost manufacturing …

PbTe colloidal nanocrystals: synthesis, characterization, and multiple exciton generation

JE Murphy, MC Beard, AG Norman… - Journal of the …, 2006 - ACS Publications
We report an alternative synthesis and the first optical characterization of colloidal PbTe
nanocrystals (NCs). We have synthesized spherical PbTe NCs having a size distribution as …

[图书][B] The kp method: electronic properties of semiconductors

LCLY Voon, M Willatzen - 2009 - books.google.com
I? rst heard of k· p in a course on semiconductor physics taught by my thesis adviser William
Paul at Harvard in the fall of 1956. He presented the k· p Hamiltonian as a semiempirical …

Confinement effects in PbSe quantum wells and nanocrystals

G Allan, C Delerue - Physical Review B—Condensed Matter and Materials …, 2004 - APS
The effect of quantum confinement in PbSe quantum wells and dots is studied using tight
binding calculations. Compared to zinc-blende semiconductors, unusual physical properties …

Quantum confinement in group III–V semiconductor 2D nanostructures

LA Cipriano, G Di Liberto, S Tosoni, G Pacchioni - Nanoscale, 2020 - pubs.rsc.org
In this work we investigate the role of quantum confinement in group III–V semiconductor
thin films (2D nanostructures). To this end we have studied the electronic structure of nine …

The peculiar electronic structure of PbSe quantum dots

JM An, A Franceschetti, SV Dudiy, A Zunger - Nano Letters, 2006 - ACS Publications
PbSe is a pseudo-II-VI material distinguished from ordinary II-VI's (eg, CdSe, ZnSe) by
having both its valence band maximum (VBM) and its conduction band minimum (CBM) …

Electronic states and optical properties of PbSe nanorods and nanowires

AC Bartnik, AL Efros, WK Koh, CB Murray… - Physical Review B …, 2010 - APS
A theory of the electronic-structure and excitonic absorption spectra of PbS and PbSe
nanowires and nanorods in the framework of a four-band effective-mass model is presented …

Finite depth square well model: Applicability and limitations

G Pellegrini, G Mattei, P Mazzoldi - Journal of applied physics, 2005 - pubs.aip.org
An investigation of the finite depth square well model is presented in this article: model
features and limitations, concerning size dependent band gap of semiconductor quantum …

Synthesis of PbS/CdS core− shell QDs and their nonlinear optical properties

MS Neo, N Venkatram, GS Li, WS Chin… - The Journal of Physical …, 2010 - ACS Publications
We synthesized different sizes of PbS/CdS core− shell quantum dots (CSQDs) by using a
cation-exchange method and studied the changes in their absorption and luminescence …

Measurement of Electronic States of PbS Nanocrystal Quantum Dots Using Scanning<? format?> Tunneling Spectroscopy: The Role of Parity Selection Rules in …

B Diaconescu, LA Padilha, P Nagpal… - Physical Review Letters, 2013 - APS
We study the structure of electronic states in individual PbS nanocrystal quantum dots by
scanning tunneling spectroscopy (STS) using one-to-two monolayer nanocrystal films …