PMID: 19928135Nov 26, 2009Paper

ZnO nanorods based hydrazine sensors

Journal of Nanoscience and Nanotechnology
Ahmad UmarYoon-Bong Hahn

Abstract

Electrochemical sensor for the detection of hydrazine has been fabricated at the surface of gold electrode modified with ZnO nanorods. The ZnO nanorods were grown by non-catalytic simple thermal evaporation process by using metallic zinc powder in the presence of oxygen at low-temperature. The detailed structural studies revealed that the as-grown ZnO nanorods are well-crystalline with the wurtzite hexagonal phase and grown along the [0001] direction in preference. A good and reproducible sensitivity of 4.76 microA cm(-2) microM(-1) has been obtained from the fabricated hexagonal-shaped ZnO nanorods based electrochemical sensor. The response time of the fabricated sensor was less than 10 s with a linear range from 0.2 to 2.0 microM and correlation coefficient of R = 0.9914. The limit of detection (LOD), based on S/N ratio was estimated to be 2.2 microM.

Citations

Jan 10, 2014·Chemical Communications : Chem Comm·Rafiq AhmadYoon-Bong Hahn
Jan 1, 2009·Sensors·Alimujiang FulatiMagnus Willander
Feb 15, 2018·Materials·Savita ChaudharySotirios Baskoutas
Nov 24, 2018·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·M U Anu PrathapRajendra Srivastava
Sep 5, 2012·Chemical Communications : Chem Comm·Yoon-Bong HahnNirmalya Tripathy

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