Interfacing porphyrins and carbon nanotubes through mechanical linksElectronic supplementary information (ESI) available. See DOI: 10.1039/c8sc02492h

We describe the synthesis of rotaxane-type species composed of macrocyclic porphyrin rings mechanically interlocked with SWCNT threads. The formation of mechanically interlocked SWCNTs (MINTs) proceeds with chiral selectivity, and was confirmed by spectroscopic and analytical techniques and adequate...

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Main Authors: de Juan-Fernández, Leire, Münich, Peter W, Puthiyedath, Arjun, Nieto-Ortega, Belén, Casado, Santiago, Ruiz-González, Luisa, Pérez, Emilio M, Guldi, Dirk M
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creator de Juan-Fernández, Leire
Münich, Peter W
Puthiyedath, Arjun
Nieto-Ortega, Belén
Casado, Santiago
Ruiz-González, Luisa
Pérez, Emilio M
Guldi, Dirk M
description We describe the synthesis of rotaxane-type species composed of macrocyclic porphyrin rings mechanically interlocked with SWCNT threads. The formation of mechanically interlocked SWCNTs (MINTs) proceeds with chiral selectivity, and was confirmed by spectroscopic and analytical techniques and adequate control experiments, and corroborated by high-resolution electron microscopy. From a thorough characterization of the MINTs through UV-vis-NIR absorption, fluorescence, Raman, and transient absorption spectroscopy we analyse in detail the electronic interactions of the porphyrins and the SWCNTs in the ground and excited states. U-shaped bisporphyrin molecules are clipped around SWCNTs using ring-closing metathesis yielding rotaxane-type derivatives, in which porphyrins and SWCNTs are connected through mechanical links.
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title Interfacing porphyrins and carbon nanotubes through mechanical linksElectronic supplementary information (ESI) available. See DOI: 10.1039/c8sc02492h
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