Abstract
The surface effects in the optical properties of catalyst-free grown InP nanowires are investigated. Both as-grown nanowires and nanowires treated with hydrofluoric acid are studied using low- and room-temperature continuous-wave and time-resolved photoluminescence measurements and transmission electron microscopy. It is shown that the room-temperature photoluminescence intensity is increased by two orders of magnitude after the surface treatment, and that there is also a significant increase in the double-exponential photoluminescence decay time.
| Original language | English |
|---|---|
| Article number | 033101 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 90 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2007 |
| MoE publication type | A1 Journal article-refereed |
Keywords
- indium
- indium compounds
- iii-v semiconductors
- nanowires
- semiconductor quantum wires
- surface treatment
- photoluminescence
- spectral line intensity
- time resolved spectra
- transmission electron microscopy
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