Intrinsic white-light emission from zinc oxide nanorods heterojunctions on large-area substrates

Magnus Willander; O. Nur; S. Zaman; A. Zainelabdin; G. Amin; J. R. Sadaf; M. Q. Israr; N. Bano; I. Hussain; N. H. Alvi

doi:10.1117/12.879327

14 March 2011 Intrinsic white-light emission from zinc oxide nanorods heterojunctions on large-area substrates

Magnus Willander, O. Nur, S. Zaman, A. Zainelabdin, G. Amin, J. R. Sadaf, M. Q. Israr, N. Bano, I. Hussain, N. H. Alvi

Proceedings Volume 7940, Oxide-based Materials and Devices II; 79400A (2011) https://doi.org/10.1117/12.879327
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

Zinc oxide (ZnO) and especially in the nanostructure form is currently being intensively investigated world wide for the possibility of developing different new photonic devices. We will here present our recent findings on the controlled low temperature chemical growth of ZnO nanorods (NRs) on different large area substrates. Many different heterojunctions of ZnO NRs and p-substrates including those of crystalline e.g. p-GaN, p-SiC or amorphous nature e.g. p-polymer coated plastic and p-polymer coated paper will be shown. Moreover, the effect of the p-electrode of these heterojunctions on tuning the emitted wavelength and changing the light quality will be discussed. An example using ZnO NR/p-GaN will be shown and the electrical and electro-optical characteristics will be analyzed. For these heterojunctions the effect of post growth annealing and its effect on the electroluminescence (EL) spectrum will be shown. Finally, intrinsic white light emitting diodes based on ZnO NRs on foldable and disposable amorphous substrates (plastic and paper) will also be presented.

Citation Download Citation

Magnus Willander, O. Nur, S. Zaman, A. Zainelabdin, G. Amin, J. R. Sadaf, M. Q. Israr, N. Bano, I. Hussain, and N. H. Alvi "Intrinsic white-light emission from zinc oxide nanorods heterojunctions on large-area substrates", Proc. SPIE 7940, Oxide-based Materials and Devices II, 79400A (14 March 2011); https://doi.org/10.1117/12.879327

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