3D nanostructured Ni(OH)2 microspheres as an efficient immobilization matrix of Ru(bpy)3 for high-performance electrochemiluminescence sensor |
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| Authors: | Kun Wang He-Nan Li Chang Ju Zhi-Jun Luo Li-Na Dai Hua-Ming Li |
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| Affiliation: | Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China |
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| Abstract: | The electrochemistry and electrochemiluminescence (ECL) of novel three-dimensional nanostructured Ru(bpy)32+/Ni(OH)2 microspheres were investigated for the first time. The negatively charged porous Ni(OH)2 microspheres composed of Ni(OH)2 nanowires were specifically designed to interact with Ru(bpy)32+. The large surface area and porous structure of Ni(OH)2 microspheres enhance loading of Ru(bpy)32+ and mass transport of the model analyte, tripropylamine (TPA). Excellent ECL performance of the presented sensor was achieved including good stability and wide linear range from 7.7 × 10−10 to 3.8 × 10−3 M with the detection limit of 2.6 × 10−10 M to TPA. |
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| Keywords: | Electrochemiluminescence Ni(OH)2 microsphere Ru(bpy)32+ TPA detection |
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