Improving the Sensitivity of a Mass Sensor for Azo Dye using Metal Films Modified Silver/Quartz and Gold /Quartz Electrodes

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標題:	Improving the Sensitivity of a Mass Sensor for Azo Dye using Metal Films Modified Silver/Quartz and Gold /Quartz Electrodes
作者:	Wang, Lai-Hao Li, Yi-Chieh
貢獻者:	醫藥化學系
關鍵字:	Azo dye Ag/quartz and Au/quartz electrodes metal film-Ag/quartz and Au/quartz electrodes
日期:	2011-01
上傳時間:	2013-10-23 15:21:19 (UTC+8)
出版者:	Ecole Polytechnique Montreal
摘要:	We electroreduced azo dye (D&C orange No. 4; e.g. "Drug and Cosmetic" No. 4) on silver (Ag)/quartz and gold (Au)/quartz, electrochemically deposited it on various metal films (lead (Pb), zinc (Zn), copper (Cu), tin (Sn), antimony (Sb), and cadmium (Cd) on Ag /quartz and Au/quartz substrates, and investigated it using electrochemical quartz crystal microbalance (EQCM) analysis with AT-cut quartz crystals (9-MHz). We found that the electrocatalytic properly of antimony was better than that of the other metals tested. In addition, atomic force microscopy (AFM and scanning electron microscopy (SEM images clearly showed the structure of the adsorbed D&C orange No. 4 molecule layers on metal-modified Ag/quartz and Au/quartz electrodes.
關聯:	Journal of New Materials for Electrochemical Systems, 14(1), pp.43-49
显示于类别:	[食藥產業暨檢測科技系(含五專)] 期刊論文

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