Preferential End Functionalization of Au Nanorods through Electrostatic Interactions

Preferential End Functionalization of Au Nanorods through Electrostatic Interactions

A novel methodology for the preferential end functionalization of Au nanorods with nanoparticles is reported by exploiting the electrostatic attractive interactions. The enhanced potential at the edges of Au nanorods preferentially attracts the positively charged Au nanoparticles, leading to their s...

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Veröffentlicht in:Journal of the American Chemical Society 2007-05, Vol.129 (21), p.6712-6713
Hauptverfasser: Pramod, P, Joseph, S. T. Shibu, Thomas, K. George
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container_title Journal of the American Chemical Society
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creator Pramod, P
Joseph, S. T. Shibu
Thomas, K. George
description A novel methodology for the preferential end functionalization of Au nanorods with nanoparticles is reported by exploiting the electrostatic attractive interactions. The enhanced potential at the edges of Au nanorods preferentially attracts the positively charged Au nanoparticles, leading to their selective binding. Site-specific binding results in a spontaneous bathochromic shift in the longitudinal plasmon band of Au nanorods which is dependent on the size of the nanoparticles.
doi_str_mv 10.1021/ja071536o
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title Preferential End Functionalization of Au Nanorods through Electrostatic Interactions
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