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licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
The FESEM images of ZnO nanorods with seed solutions containing 3.5 mg/mL of starch concentration and (a) 0; (b) 0.5; (c) 1.0; (d) 1.5; (e) 2.0; (f) 2.5 mg/mL of ZnO nanoparticles concentration; and (g) cross section image of ZnO nanorods growth with f condition.