Tailoring the charge carrier dynamics in ZnO nanowires : the role of surface hole/electron traps
Post-fabrication thermal-annealed ZnO nanowires (NWs) in an oxidizing (or a reducing) ambient were investigated using transient photoluminescence and X-ray photoelectron spectroscopy. Our findings reveal an ultrafast hole-transfer process to the surface adsorbed oxygen species (e.g. O2-, ) occurring...
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| Main Authors: | , , , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2012
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/94201 http://hdl.handle.net/10220/7528 |
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| Institution: | Nanyang Technological University |
| Language: | English |