Spatially resolved doping concentration and nonradiative lifetime profiles in single Si-Doped InP nanowires using photoluminescence mapping
- Publication Type:
- Journal Article
- Nano Letters, 2015, 15 (5), pp. 3017 - 3023
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© 2015 American Chemical Society. We report an analysis method that combines microphotoluminescence mapping and lifetime mapping data of single semiconductor nanowires to extract the doping concentration, nonradiative lifetime, and internal quantum efficiency along the length of the nanowires. Using this method, the doping concentration of single Si-doped wurtzite InP nanowires are mapped out and confirmed by the electrical measurements of single nanowire devices. Our method has important implication for single nanowire detectors and LEDs and nanowire solar cells applications.
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