Rice-like CuO nanostructures for sensitive electrochemical sensing of hydrazine

Razium Ali Soomro, Qurratlein Baloach, Aneela Tahira, Zafar Hussain Ibupoto, Ghulam Khaskheli, . Sirajuddin, Vinod Deewani, Keith Hallam, Kausar Rajar, Magnus Willander

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

In this work, a low temperature aqueous chemical growth methodology was used for the fabrication of CuO nanostructures. The as-synthesised nanostructures were then elaborately characterised by number of analytical techniques such as scanning electron microscopy (SEM) and X-ray powder diffraction (XRD). The obtained nanostructures were observed to possess interlaced rice-shaped structural features with the length and width of individual rice determined to be in the range of 200-300 nm and 50-100 nm respectively. The unique nanostructures when utilised as electrode material exhibited excellent electro-catalytic potential towards oxidation of hydrazine in alkaline media. The excellent conductive of CuO added by the high surface area of obtained nanorice-like structures enabled development of highly sensitive (3087 A mu A mM(-1) cm(-2)), selective and stable electrochemical sensor for hydrazine. In addition, the successfully application of the developed sensor in spiked tap, bottled and industrial water samples for the detection of hydrazine suggested its feasibility for practical environmental application.
Original languageEnglish
Pages (from-to)731-738
Number of pages8
JournalMicrosystem Technologies
Publication statusPublished - Mar 2017

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