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Issue 18, 2011
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Surface assembly of porphyrinnanorods with one-dimensional zinc–oxygen spinal cords

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Abstract

We have built long-range ordered, one-dimensional (1D) nanorods by self-assembly of zinc porphyrin derivatives through axial coordination with oxygenated ligands on different noble-metal surfaces. The structures were studied by a combination of Variable-Temperature Scanning-Tunnelling Microscopy (VT-STM), X-Ray Photoelectron Spectroscopy (XPS) and Density Functional Theory (DFT) calculations. The combined morphological, chemical and theoretical results demonstrate that the zinc atoms at neighbouring porphyrin molecules are coordinatively linked through oxygen-containing species, most probably water, leading to an adsorption geometry in which the porphyrin planes are perpendicular to the substrate plane, and the polymers are lying parallel to the surface.

Graphical abstract: Surface assembly of porphyrin nanorods with one-dimensional zinc–oxygen spinal cords

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Supplementary files

Article information


Submitted
26 Apr 2011
Accepted
22 Jun 2011
First published
22 Jul 2011

CrystEngComm, 2011,13, 5591-5595
Article type
Paper

Surface assembly of porphyrin nanorods with one-dimensional zinc–oxygen spinal cords

M. Trelka, C. Urban, C. Rogero, P. de Mendoza, E. Mateo-Marti, Y. Wang, I. Silanes, D. Écija, M. Alcamí, F. Yndurain, A. Arnau, F. Martín, A. M. Echavarren, J. Á. Martín-Gago, J. M. Gallego, R. Otero and R. Miranda, CrystEngComm, 2011, 13, 5591
DOI: 10.1039/C1CE05494E

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