skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Nature of the Positron State in CdSe Quantum Dots

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1462583
Grant/Contract Number:  
AC02-05CH11231; SC0012575; FG02-07ER46352
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 121 Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English

Citation Formats

Shi, Wenqin, Callewaert, Vincent, Barbiellini, Bernardo, Saniz, Rolando, Butterling, Maik, Egger, Werner, Dickmann, Marcel, Hugenschmidt, Christoph, Shakeri, Behtash, Meulenberg, Robert W., Brück, Ekkes, Partoens, Bart, Bansil, Arun, and Eijt, Stephan W. H. Nature of the Positron State in CdSe Quantum Dots. United States: N. p., 2018. Web. doi:10.1103/PhysRevLett.121.057401.
Shi, Wenqin, Callewaert, Vincent, Barbiellini, Bernardo, Saniz, Rolando, Butterling, Maik, Egger, Werner, Dickmann, Marcel, Hugenschmidt, Christoph, Shakeri, Behtash, Meulenberg, Robert W., Brück, Ekkes, Partoens, Bart, Bansil, Arun, & Eijt, Stephan W. H. Nature of the Positron State in CdSe Quantum Dots. United States. doi:10.1103/PhysRevLett.121.057401.
Shi, Wenqin, Callewaert, Vincent, Barbiellini, Bernardo, Saniz, Rolando, Butterling, Maik, Egger, Werner, Dickmann, Marcel, Hugenschmidt, Christoph, Shakeri, Behtash, Meulenberg, Robert W., Brück, Ekkes, Partoens, Bart, Bansil, Arun, and Eijt, Stephan W. H. Thu . "Nature of the Positron State in CdSe Quantum Dots". United States. doi:10.1103/PhysRevLett.121.057401.
@article{osti_1462583,
title = {Nature of the Positron State in CdSe Quantum Dots},
author = {Shi, Wenqin and Callewaert, Vincent and Barbiellini, Bernardo and Saniz, Rolando and Butterling, Maik and Egger, Werner and Dickmann, Marcel and Hugenschmidt, Christoph and Shakeri, Behtash and Meulenberg, Robert W. and Brück, Ekkes and Partoens, Bart and Bansil, Arun and Eijt, Stephan W. H.},
abstractNote = {},
doi = {10.1103/PhysRevLett.121.057401},
journal = {Physical Review Letters},
number = 5,
volume = 121,
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevLett.121.057401

Save / Share:

Works referenced in this record:

Hybrid passivated colloidal quantum dot solids
journal, July 2012

  • Ip, Alexander H.; Thon, Susanna M.; Hoogland, Sjoerd
  • Nature Nanotechnology, Vol. 7, Issue 9
  • DOI: 10.1038/nnano.2012.127

Generalized Gradient Approximation Made Simple
journal, October 1996

  • Perdew, John P.; Burke, Kieron; Ernzerhof, Matthias
  • Physical Review Letters, Vol. 77, Issue 18, p. 3865-3868
  • DOI: 10.1103/PhysRevLett.77.3865

Suppressing Deep Traps in PbS Colloidal Quantum Dots via Facile Iodide Substitutional Doping for Solar Cells with Efficiency >10%
journal, March 2017


The surface science of nanocrystals
journal, January 2016

  • Boles, Michael A.; Ling, Daishun; Hyeon, Taeghwan
  • Nature Materials, Vol. 15, Issue 2
  • DOI: 10.1038/nmat4526

Microscopic Theory of Cation Exchange in CdSe Nanocrystals
journal, October 2014


Study of colloidal quantum-dot surfaces using an innovative thin-film positron 2D-ACAR method
journal, December 2005

  • Eijt, Stephan W. H.; van Veen, Anton; Schut, Henk
  • Nature Materials, Vol. 5, Issue 1
  • DOI: 10.1038/nmat1550

Measurement of the orthopositronium confinement energy in mesoporous thin films
journal, May 2010


Comment on the Positron Surface-State Lifetime
journal, September 1984


Auger electron emission initiated by the creation of valence-band holes in graphene by positron annihilation
journal, July 2017

  • Chirayath, V. A.; Callewaert, V.; Fairchild, A. J.
  • Nature Communications, Vol. 8, Issue 1
  • DOI: 10.1038/ncomms16116

Positron Surface States on Clean and Oxidized Al and in Surface Vacancies
journal, January 1983


Projector augmented-wave method
journal, December 1994


Electron-positron density-functional theory
journal, September 1986


Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set
journal, July 1996


Experimental determination of the state-dependent enhancement of the electron-positron momentum density in solids
journal, September 2010


Defect identification in semiconductors with positron annihilation: Experiment and theory
journal, November 2013


Quantum Monte Carlo Study of a Positron in an Electron Gas
journal, November 2011


Direct observation of energy-gap scaling law in CdSe quantum dots with positrons
journal, July 2002


Unprecedented intensity of a low-energy positron beam
journal, August 2008

  • Hugenschmidt, C.; Löwe, B.; Mayer, J.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 593, Issue 3
  • DOI: 10.1016/j.nima.2008.05.038

Impact of Stoichiometry on the Electronic Structure of PbS Quantum Dots
journal, May 2013


Ligand-surface interactions and surface oxidation of colloidal PbSe quantum dots revealed by thin-film positron annihilation methods
journal, February 2016

  • Shi, Wenqin; Eijt, Stephan W. H.; Suchand Sandeep, C. S.
  • Applied Physics Letters, Vol. 108, Issue 8
  • DOI: 10.1063/1.4942609

A Closer Look into the Traditional Purification Process of CdSe Semiconductor Quantum Dots
journal, November 2015


Modification of the conduction band edge energy via hybridization in quantum dots
journal, November 2012

  • Wright, Joshua T.; Meulenberg, Robert W.
  • Applied Physics Letters, Vol. 101, Issue 19
  • DOI: 10.1063/1.4766289

Experimental Observation of Quantum Confinement in the Conduction Band of CdSe Quantum Dots
journal, April 2007


Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set
journal, October 1996


Surfaces of colloidal PbSe nanocrystals probed by thin-film positron annihilation spectroscopy
journal, August 2013

  • Chai, L.; Al-Sawai, W.; Gao, Y.
  • APL Materials, Vol. 1, Issue 2
  • DOI: 10.1063/1.4818001

LT10 Program for Solving Basic Problems Connected with Defect Detection
journal, January 2012


From ultrasoft pseudopotentials to the projector augmented-wave method
journal, January 1999


Structural and electronic properties of PbSe nanocrystals from first principles
journal, August 2008


Investigations of epoxy-based adhesives with PLEPS
journal, October 2008


Positron surface state as a spectroscopic probe for characterizing surfaces of topological insulator materials
journal, September 2016


Theory of positrons in solids and on solid surfaces
journal, July 1994


Status of the pulsed low energy positron beam system (PLEPS) at the Munich Research Reactor FRM-II
journal, October 2008


PbSe quantum dots: Finite, off-stoichiometric, and structurally distorted
journal, June 2010


Non-Local Electron-Positron Enhancement Factors in Solids
journal, April 1999


Application of the weighted-density approximation to the accurate description of electron-positron correlation effects in materials
journal, August 2017


Direct evidence of Cd vacancies in CdSe nanoparticles: positron annihilation studies
journal, August 2011

  • Sharma, S. K.; Sudarshan, K.; Maheshwari, P.
  • The European Physical Journal B, Vol. 82, Issue 3-4
  • DOI: 10.1140/epjb/e2011-20363-y

Self-Healing of CdSe Nanocrystals: First-Principles Calculations
journal, May 2004


Interaction of positron beams with surfaces, thin films, and interfaces
journal, July 1988


Positron Annihilation as a Method to Characterize Porous Materials
journal, August 2006


Measurement of the Positron Surface-State Lifetime for Al
journal, March 1984


Atomistic Model of Fluorescence Intermittency of Colloidal Quantum Dots
journal, April 2014


Electron-positron enhancement factors at a metal surface: Aluminum
journal, November 1991


Auger-Mediated Sticking of Positrons to Surfaces: Evidence for a Single-Step Transition from a Scattering State to a Surface Image Potential Bound State
journal, June 2010


Ligand-Mediated Modification of the Electronic Structure of CdSe Quantum Dots
journal, May 2012

  • Lee, Jonathan R. I.; Whitley, Heather D.; Meulenberg, Robert W.
  • Nano Letters, Vol. 12, Issue 6
  • DOI: 10.1021/nl300886h

Positron annihilation in II-VI compound semiconductors: theory
journal, October 1994

  • Plazaola, F.; Seitsonen, A. P.; Puska, M. J.
  • Journal of Physics: Condensed Matter, Vol. 6, Issue 42
  • DOI: 10.1088/0953-8984/6/42/012

Nonlocal electron-positron correlations in solids within the weighted density approximation
journal, November 1998