Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp911310r
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dc.titleZnCdO/ZnO coaxial multiple quantum well nanowire heterostructures and optical properties
dc.contributor.authorCheng, C.
dc.contributor.authorLiu, B.
dc.contributor.authorSie, E.J.
dc.contributor.authorZhou, W.
dc.contributor.authorZhang, J.
dc.contributor.authorGong, H.
dc.contributor.authorAlfred Huan, C.H.
dc.contributor.authorSum, T.C.
dc.contributor.authorSun, H.
dc.contributor.authorFan, H.J.
dc.date.accessioned2014-10-07T09:55:33Z
dc.date.available2014-10-07T09:55:33Z
dc.date.issued2010-03-11
dc.identifier.citationCheng, C., Liu, B., Sie, E.J., Zhou, W., Zhang, J., Gong, H., Alfred Huan, C.H., Sum, T.C., Sun, H., Fan, H.J. (2010-03-11). ZnCdO/ZnO coaxial multiple quantum well nanowire heterostructures and optical properties. Journal of Physical Chemistry C 114 (9) : 3863-3868. ScholarBank@NUS Repository. https://doi.org/10.1021/jp911310r
dc.identifier.issn19327447
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/86849
dc.description.abstractHigh quality vertical-aligned arrays of ZnCdO/ZnO coaxial multiple-quantum-well (MQW) nanowire heterostructures are fabricated for the first time by combining a simple chemical vapor deposition (CVD) and pulsed laser deposition (PLD) method. The ZnO nanowire core enables epitaxial and dislocation-free growth of uniform ZnCdO/ZnO quantum wells. Both steady-state and time-resolved photoluminescence measurements of the MQW nanowires are performed in the temperature range of 10-300 K. Strong quantum confinement and carrier localization effect are verified. In addition, an S-shaped temperature dependence is observed for both the exciton emission energy (Ep) and their lifetime in ZnCdO MQWs, which has not previously been reported in ZnMgO MQWs. A simple phenomenological model was introduced to explain this anomalous behavior. Such ZnCdO/ZnO coaxial MQW nanowires might find applications in nanoscale laser sources and other oxide-based quantum devices. © 2010 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/jp911310r
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.description.doi10.1021/jp911310r
dc.description.sourcetitleJournal of Physical Chemistry C
dc.description.volume114
dc.description.issue9
dc.description.page3863-3868
dc.identifier.isiut000275045600023
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