Solvent induced ordered-supramolecular assembly of highly branched protoporphyrin IX derivative

被引：17

作者：

Bhosale, Sidhanath V. ^{[1
]}

Nalage, Santosh V. ^{[1
]}

Booth, Jamie M. ^{[2
]}

Gupta, Akhil ^{[3
]}

Bhargava, Suresh K. ^{[2
]}

Bhosale, Sheshanath V. ^{[2
]}

机构：

[1] Indian Inst Chem Technol, Polymer & Funct Mat Div, Hyderabad 500607, Andhra Pradesh, India

[2] RMIT Univ, Sch Appl Sci, Melbourne, Vic 3001, Australia

[3] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia

来源：

SUPRAMOLECULAR CHEMISTRY | 2012年 / 24卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

protoporphyrin IX; self-assembly; nanorods; honeycomb; AFM; TEM; OCTOPUS-PORPHYRIN; SELF-ORGANIZATION; VESICLES; MICROSTRUCTURE; AGGREGATION; NANOWIRES; GELATORS; BINDING; DESIGN; FIBERS;

D O I：

10.1080/10610278.2012.716841

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Protoporphyrin IX species bearing highly branched alkyl chains were self-assembled into well-defined nanostructures such as rod-like in CHCl3-cylcohexane (1: 9, v/v) and a honeycomb-like morphology in a polar solvent dimethyl sulfoxide (DMSO). The rod-like morphologies observed in the atomic force microscopy (AFM) and transmission electron microscopy (TEM) suggest that the lamellar phase self-organises into multilamellar vesicles. The X-ray diffraction (XRD) results indicate molecular arrangements resulting from longitudinal and transverse stacking of the porphyrin head groups in the lamellar structure. The typical nanostructures were derived from a high level of cooperativity between the porphyrin cores via pi-sigma interactions and supported by hydrogen bonding and van der Waals interactions. The nanostructures were characterised by means of UV-vis, fluorescence, AFM, TEM and XRD analysis. Our methodology confirms the potential of protoporphyrin IX derivatives in supramolecular chemistry.

引用

页码：779 / 786

页数：8

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