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Binary ionic porphyrin self-assembly: Structures, and electronic and light-harvesting properties

Published online by Cambridge University Press:  11 March 2019

Yong Zhong
Affiliation:
Key Laboratory for Special Functional Materials, Ministry of Education, Henan University, China; zhywy8521115@163.com
Jiefei Wang
Affiliation:
International Joint Center for Biomedical Innovation, Henan University, China; jfwang@henu.edu.com
Yongming Tian
Affiliation:
Angstrom Thin Film Technologies LLC, USA; yongming.tian@gmail.com
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Abstract

Porphyrins are a class of conjugated molecules that structurally and functionally resemble natural photosynthetic and enzymatic chromophores. Crystalline solids self-assembled from anionic and cationic porphyrins yield a new class of multifunctional optoelectronic micro- and nanomaterials. In this article, we provide details on the concept of binary ionic self-assembly (ISA) and ionized forms of porphyrins, as well as formation of hierarchical structures, including nanotubes, rods and ribbons, sheets, and three-dimensional clover-like shapes, spheres, and sheaf-like structures. We summarize key physical properties from ultraviolet–visible characterizations of J-aggregate, exciton delocalization and extended π–π stacking, and related electronic and light-harvesting properties of the structures. Depending on the molecular subunits, the functionalities of the ISA materials are altered. These ISA nanostructures possess attractive light-harvesting and charge- and energy-transport functionalities and allow access to a novel class of nanomaterials with potential for applications in sensors, photovoltaics, photocatalysis, and solar power.

Information

Type
Self-Assembled Porphyrin and Macrocycle Derivatives
Copyright
Copyright © Materials Research Society 2019 

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