Issue 71, 2014

High-quality ZnO nanorod based flexible devices for electronic and biological applications

Abstract

Vertically aligned zinc oxide nanorods (ZnO NRs) were synthesized on kapton flexible sheets using a simple and cost-effective three-step process (electrochemical seeding, annealing under ambient conditions, and chemical solution growth). Scanning electron microscopy studies reveal that ZnO NRs grown on seed-layers, developed by electrochemical deposition at a negative potential of 1.5 V over a duration of 2.5 min and annealed at 200 °C for 2 h, consist of uniform morphology and good chemical stoichiometry. Transmission electron microscopy analyses show that the as-grown ZnO NRs have single crystalline hexagonal structure with a preferential growth direction of 〈001〉. Highly flexible p–n junction diodes fabricated by using p-type conductive polymer exhibited excellent diode characteristics even under the fold state.

Graphical abstract: High-quality ZnO nanorod based flexible devices for electronic and biological applications

Supplementary files

Article information

Article type
Paper
Submitted
13 Jun 2014
Accepted
12 Aug 2014
First published
12 Aug 2014

RSC Adv., 2014,4, 37563-37568

Author version available

High-quality ZnO nanorod based flexible devices for electronic and biological applications

N. K. Reddy, M. Devika and C. W. Tu, RSC Adv., 2014, 4, 37563 DOI: 10.1039/C4RA05712K

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