Non-Equilibrium Carriers in Type-II Quantum Dots

Abstract

The spatial distribution and recombination of nonequilibrium electrons and holes in a system of type-II quantum dots is considered theoretically. In this system contrary to the well known type-I quantum dots system one type of carrier is confined to the dot whereas the other type is localized in a Coulomb potential well outside the dot. The alters the recombination processes dramatically and results in new intensity and temperature dependencies in the photoconductivity. Possible device applications of type-II quantum dots, in particular for photovoltaic structures, are discussed.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 2001
Accession Number
ADP013236

Entities

People

  • A. Shik
  • E. H. Sargent
  • H. Ruda

Organizations

  • University of Toronto

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Carrier Mobility
  • Composite Materials
  • Electronics Laboratories
  • Electrons
  • Energy Bands
  • Equations
  • Materials
  • Materials Laboratories
  • Nanotechnology
  • Quantum Dot Lasers
  • Quantum Dots
  • Quantum Numbers
  • Quantum Wells
  • Quantum Wires
  • Quantum Yields
  • Semiconductors
  • Spatial Distribution

Readers

  • Plasma Physics.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics
  • Quantum Computing