Self-assembly of magnesium and zinc trimethoxyphenylporphyrin polymer as nanospheres and nanorods

Bhuyan, Jagannath ; Sarkar, Sabyasachi (2011) Self-assembly of magnesium and zinc trimethoxyphenylporphyrin polymer as nanospheres and nanorods Crystal Growth & Design, 11 (12). pp. 5410-5414. ISSN 1528-7483

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Official URL: http://pubs.acs.org/doi/abs/10.1021/cg2010002

Related URL: http://dx.doi.org/10.1021/cg2010002

Abstract

The crystal structures of [Mg(TMPP)] (1) and [Zn(TMPP)] (2) (TMPP = 3,4,5-trimethoxyphenylporphyrin) show that 1 and 2 possess unusual one-dimensional (1D) coordination polymer structure through metal–oxygen (oxygen atom from m-methoxy group of adjacent porphyrin) bonds. In 1 and 2, the metal ion is hexa-coordinated with the two axially ligated methoxy groups (bonded through oxygen) from the two neighboring porphyrins. In the nano domain, the self-organization of 1 in dichloromethane (DCM)–petroleum ether is in a spherical shape. Complex 2 self-organizes as a nanorod in DCM–petroleum ether medium. In DCM or in chloroform, such a self-organization process, which is influenced by air bubble formation, transforms the rod to a circular ring. In coordinating solvent like ethanol, the polymer aggregation is terminated in both 1 and 2 to produce relatively large rectangles. The varied ways of self-organization in the nanodomain of these two porphyrins have been discussed.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:98333
Deposited On:21 May 2014 10:19
Last Modified:21 May 2014 10:19

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