Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors

By Assaifan, Abdulaziz K.; Lloyd, Jonathan S.; Samavat, Siamak; Deganello, Davide; Stanton, Richard J.; Teng, Kar Seng
Published in ACS Applied Materials & Interfaces 2016

Abstract

In this work, the formation of a nanotextured surface is reported on flexographic printed zinc oxide thin films which provide an excellent platform for low-cost, highly sensitive biosensing applications. The ability to produce nanotextured surfaces using a high-throughput, roll-to-roll production method directly from precursor ink without any complicated processes is commercially attractive for biosensors that are suitable for large-scale screening of diseases at low cost. The zinc oxide thin film was formed by printing a zinc acetate precursor ink solution and annealing at 300

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