Determinants of the structured and structureless green emissions of ZnO |
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| Authors: | Y.Y. Tay T.T. Tan |
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| Affiliation: | a School of Materials Science and Engineering, The University of New South Wales, NSW 2052, Australiab School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore |
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| Abstract: | ![]()
Green emission can be identified as either a structured or a structureless emission. In the downward surface band bending region, the influence of defects on the continuous change in the 0-0 electronic transition was found to be a dominating factor that differentiates the characteristics of green emission. Such a change in the 0-0 electronic transition gives rise to the structureless green emission at higher energy, while the 0-0 electronic transition in the bulk of ZnO plays an important role resulting in structured green emission with lower energy. |
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| Keywords: | A. Semiconductors D. Surface band bending D. Photoluminescence D. Structured and structureless green emissions |
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