Abstract
We report exciton spin relaxation dynamics in colloidal wurtzite and zinc blende CdSe quantum dots measured using ultrafast cross-polarized heterodyned transient grating spectroscopy. The zinc blende (cubic base) quantum dots have a simpler fine structure as compared to wurtzite (hexagonal base) due to differences in the crystal field splitting. Faster exciton spin relaxation dynamics are observed in the zinc blende quantum dots.
Original language | English (US) |
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Pages (from-to) | 187-192 |
Number of pages | 6 |
Journal | Chemical Physics Letters |
Volume | 491 |
Issue number | 4-6 |
DOIs | |
State | Published - May 17 2010 |
Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy
- Physical and Theoretical Chemistry