Iridium oxide based coaxial pH ultramicroelectrode

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	Iridium oxide based coaxial pH ultramicroelectrode
	Huang, Xiao-Rong ; Ren, Qiong-Qiong ; Yuan, Xiao-Jun ; Wen, Wei ; Chen, Wei ; Zhan, Dong-Ping ; Chen W(陈伟) ; Zhan DP(詹东平)
刊名	http://dx.doi.org/10.1016/j.elecom.2013.12.012
	2014
关键词	Electrodeposition Gold pH
英文摘要	In this communication, a coaxial pH microelectrode consisting of a working electrode made of IrOx and a Ag/AgCl reference electrode has been developed. The outer wall of the glass capillary with a tip diameter of 5 μm was sputtered with Au and then IrOx film was electrodeposited on the Au layer, while the inside of the capillary was a Ag/AgCl wire which can serve as a reference electrode. This electrode presented a linear response in the pH range from 2.0 to 12.0 with a sensitivity of 58.73 ± 0.41 mV/pH. In selectivity tests, several alkaline cations such as Na+ and K + didn't interfere with the performance of the electrode. Furthermore, the ultramicroelectrode exhibited rapid response times ranging from 0.5 s to 5 s depending on the solution pH. The excellent performance and ultramicro-size of this pH sensor make it very promising for in situ/in vivo pH measurements. ? 2013 Elsevier B.V.
语种	英语
出版者	ELSEVIER SCIENCE INC
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/89664]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Huang, Xiao-Rong,Ren, Qiong-Qiong,Yuan, Xiao-Jun,et al. Iridium oxide based coaxial pH ultramicroelectrode[J]. http://dx.doi.org/10.1016/j.elecom.2013.12.012,2014.
APA	Huang, Xiao-Rong.,Ren, Qiong-Qiong.,Yuan, Xiao-Jun.,Wen, Wei.,Chen, Wei.,...&詹东平.(2014).Iridium oxide based coaxial pH ultramicroelectrode.http://dx.doi.org/10.1016/j.elecom.2013.12.012.
MLA	Huang, Xiao-Rong,et al."Iridium oxide based coaxial pH ultramicroelectrode".http://dx.doi.org/10.1016/j.elecom.2013.12.012 (2014).