A novel soluble tin(IV) porphyrin modified single-walled carbon nanotube nanohybrid with light harvesting properties

Int J Mol Sci. 2008 Jan;9(1):45-55. doi: 10.3390/ijms9010045. Epub 2008 Jan 21.

Abstract

A dihydroxotin(IV) porphyrin functionalized single-walled carbon nanotubes (SWNTs) nanohybrid is obtained. Solubility of the nanohybrid in organic solvents is determined by UV-Vis-NIR absorption spectroscopy. Electron absorption and fluorescence spectra investigations demonstrate that efficient electron transfer occurs within the nanohybrid at the photoexcited state and the charge-separated state of the nanohybrid is observed by transient absorption spectrum. The results illustrate that this soluble electron donor-acceptor nanohybrid might be a good candidate as a light harvesting material in molecular photoelectronic devices.

Keywords: Carbon nanotubes; Fluorescence; light harvesting; nanohybrid material; porphyrin.