Issue 2, 2011

Octathienyl/phenyl-substituted zinc phthalocyanines J-aggregated through conformational planarization

Abstract

A novel family of thiophene-decorated phthalocyanines (M-TPcs) was efficiently synthesized, during which the key intermediate of these compounds was purified through a chemical approach. In the optimized geometries of M-TPcs, the peripherally linked thiophene rings are tilted from the Pc core, which oppose aggregation considering the mutual steric hindrance. However, Zn-TPc formed J-aggregates in many solvents while Ni-TPc and Cu-TPc did not. Octaphenyl-substituted zinc Pc (Zn-PPc) showed similar J-aggregation behavior as Zn-TPc. This unusual J-aggregation was attributed to the conformational planarization of the corresponding molecules.

Graphical abstract: Octathienyl/phenyl-substituted zinc phthalocyanines J-aggregated through conformational planarization

Supplementary files

Article information

Article type
Paper
Submitted
19 Aug 2010
Accepted
06 Oct 2010
First published
23 Nov 2010

Dalton Trans., 2011,40, 393-401

Octathienyl/phenyl-substituted zinc phthalocyanines J-aggregated through conformational planarization

Z. Chen, L. Niu, Y. Cheng, X. Zhou, C. Zhong and F. Zhang, Dalton Trans., 2011, 40, 393 DOI: 10.1039/C0DT01066A

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