Abstract
Cathodoluminescence (CL) investigations of selected single ZnO nanowires grown by a thermal vapor-liquid-solid process demonstrate their very good structural quality. The low temperature CL of the ZnO nanowires of about 100 nm diameter shows in the spectral range of the donor bound exciton three main peaks at 3.366, 3.362, and 3.358 eV. The full width at half maximum of the bound exciton peak is 1.1 meV for ZnO nanowires at 9 K. In comparison, the peak widths of epitaxial ZnO PLD thin films and a ZnO bulk single crystal (Eagle Picher) are 1.2 meV and 0.7 meV, respectively. In contradiction to ZnO nanowires grown by MOCVD at 750°C, the CL spectra of the thermally (915°C) grown ZnO nanowires show no additional peaks from donor or acceptor transitions or phonon replica.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
