Published 2009
| Version v1
Journal article
Photoluminescence Spectroscopy of Cd Te/Zn Te Self-Assembled Quantum Dots
Creators
- 1. Institute of Physics, 11080 Belgrade (Serbia)
- 2. Institute of Physiscs, Polish Academy of Science, 02-668 Warsaw (Poland)
Description
We present photoluminescence (PL) measurements of two different, 3 monolayers and 12 monolayers (ml), CdTe self-assembled quantum dot (SAQD) samples. The spectra were recorded in the temperature range 20 K -300 K, with photoexcitation over the ZnTe barrier layer. PL spectra displayed two main emission bands. High-energy PL emission (E1) is ZnTe LO like phonon- (LO 204.2 cm-1 (3 ml), LO = 207.3cm-1 (12 ml)) assisted deexcitation. Dominant low-energy band (E2) presents the direct deexcitation to ground state of the CdTe quantum dots.
Additional details
Publishing Information
- Journal Title
- International Journal of Photoenergy (Print)
- Journal Volume
- 2009
- Journal Issue
- 2009
- Journal Page Range
- p. 4
- ISSN
- 1110-662X
INIS
- Country of Publication
- Egypt
- Country of Input or Organization
- Egypt
- INIS RN
- 41073757
- Subject category
- S77: NANOSCIENCE AND NANOTECHNOLOGY;
- Descriptors DEI
- CADMIUM; DEPLETION LAYER; EMISSION; EXCITATION; HIGH ENERGY PHYSICS; PHONONS; PHOTOLUMINESCENCE; QUANTUM DOTS; TELLURIUM; TEMPERATURE RANGE; ZINC
- Descriptors DEC
- ELEMENTS; EMISSION; ENERGY-LEVEL TRANSITIONS; LAYERS; LUMINESCENCE; METALS; NANOSTRUCTURES; PHOTON EMISSION; PHYSICS; QUASI PARTICLES; SEMIMETALS