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Site-Specific Self-Assembled Liquid-Gated ZnO Nanowire Transistors for Sensing Applications by Vivek Pachauri; Alexis Vlandas; Klaus Kern; Kannan Balasubramanian is a Engineering article available to read on EtoBox.

What is Site-Specific Self-Assembled Liquid-Gated ZnO Nanowire Transistors for Sensing Applications about?

## Abstract A scalable bottom‐up solution‐based approach for the site‐specific realization of ZnO nanowire (ZnO‐NW)‐based field‐effect transistors for sensing applications in liquids is reported. The nanowires are grown across predefined electrodes patterned by photolithography. Site specificity is attained by the use of nanoparticles acting as seeds. Using integrated on‐chip microchannels and microfabricated gate electrodes, electrochemically gated ZnO‐NW network transistors functioning in liquids are demonstrated. The optimized devices are rendered sensitive to pH through chemical functionalization. The unique combination of the sensitivity, site specificity, scalability, and cost effectiveness of the technique opens up avenues for the routine realization of one‐dimensional nanostructure‐based chemical and biosensors for analytical and diagnostic applications.

Who reads Site-Specific Self-Assembled Liquid-Gated ZnO Nanowire Transistors for Sensing Applications?

Author

Vivek Pachauri; Alexis Vlandas; Klaus Kern; Kannan Balasubramanian

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Publons; Wiley (ISSN 1613-6810)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)