Al-doped ZnO aligned nanorod arrays: significant implications for optic and opto-electronic applications

Terence Holloway; Rajeh Mundle; Hareesh Dondapati; Messaoud J. Bahoura; Aswini K. Pradhan

doi:10.1117/1.JNP.6.063507

26 April 2012 Al-doped ZnO aligned nanorod arrays: significant implications for optic and opto-electronic applications

Terence Holloway, Rajeh Mundle, Hareesh Dondapati, Messaoud J. Bahoura, Aswini K. Pradhan

Author Affiliations +

Journal of Nanophotonics, Vol. 6, Issue 1, 063507 (April 2012). https://doi.org/10.1117/1.JNP.6.063507

Abstract

We investigated the optical and optoelectronic properties of vertically aligned Al:ZnO nanorod arrays synthesized by the hydrothermal technique at a considerably low temperature on a sputtered Al:ZnO seed layer. The nanorod arrays maintained remarkable alignment along the c-axis over a large area. The seed layers and nanorod arrays showed various optical band gaps. Investigation of the optoelectronic properties of nanorod arrays on Al:ZnO/p-Si seed layer with SiO₂ revealed that the photocurrent is significantly reduced in nanorod arrays on a AZO/SiO₂/p-Si heterojunction due to multiple scattering phenomena associated with nanorod arrays. This research may open up venues for various optical and opto-electronic applications where highly aligned nanostructures are desired.

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Terence Holloway, Rajeh Mundle, Hareesh Dondapati, Messaoud J. Bahoura, and Aswini K. Pradhan "Al-doped ZnO aligned nanorod arrays: significant implications for optic and opto-electronic applications," Journal of Nanophotonics 6(1), 063507 (26 April 2012). https://doi.org/10.1117/1.JNP.6.063507

Published: 26 April 2012

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