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Self-assemblies of Cationic Porphyrins With Functionalized Water-Soluble Single-Walled Carbon Nanotubes

Self-assemblies of Cationic Porphyrins With Functionalized Water-Soluble Single-Walled Carbon Nanotubes

Pavel Kubát, Kamil Lang, Pavel Jandal, Ota Frank, Irena Matulková, Jan Sýkora, Svatopluk Civis, Martin Hof, Ladislav Kavan

J Nanosci Nanotechnol. 2009 Oct;9(10):5795-802.

PMID: 19908455

Abstract:

5,10,15,20-tetrakis(4-N-methylpyridyl)porphyrin, 5,10,15,20-tetrakis(2-N-methylpyridyl)porphyrin, and 5,10,15,20-tetrakis(4-trimethylammoniophenyl)porphyrin form self-assemblies with single-walled carbon nanotubes (SWNT) functionalized by polyaminobenzene sulfonic acid. Both steady-state and time-resolved emission studies revealed efficient quenching of the excited singlet states of the porphyrins. Atomic force microscopy, fluorescence confocal microscopy, and fluorescence lifetime imaging allowed the visualization of individual bundles of SWNTs and the differentiation of porphyrin molecules at specific binding sites of SWNT.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS71704	Carbon nanotube, single-walled, polyaminobenzene sulfonic acid functionalized			Price

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