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Behaviour of Ru(bpy)2+3 on the Surface of Water-Soluble Single-Walled Carbon Nanotubes on Adding Other Cations

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DOI: 10.4236/jsemat.2012.22015    4,718 Downloads   7,070 Views
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ABSTRACT

Behaviour of excited Ru(bpy)2+3 bound to the surface of water-soluble single-walled carbon nanotubes on addition of other cations have been investigated by measuring Ru(bpy) luminescence. In contrast to what was observed with a solution containing rod-like aggregation particles of Nafion, we found that Ru(bpy)2+3 has a stronger attraction than that of other cations to the sulfonic groups on the carbon nanotubes. Such a difference is attributed to the unique micro-environmental characteristics of the molecular assemblies.

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H. Shioyama, "Behaviour of Ru(bpy)2+3 on the Surface of Water-Soluble Single-Walled Carbon Nanotubes on Adding Other Cations," Journal of Surface Engineered Materials and Advanced Technology, Vol. 2 No. 2, 2012, pp. 95-99. doi: 10.4236/jsemat.2012.22015.

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