High-Rate Charge-Carrier Transport in Porphyrin Covalent Organic Frameworks: Switching from Hole to Electron to Ambipolar Conduction

Well conducted: A two‐dimensional porphyrin covalent organic framework is described. Owing to the eclipsed stacking alignment, the framework is conductive and allows high‐rate carrier transport through the porphyrin columns (see picture). The central metal in the porphyrin rings changes the conducti...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2012-03, Vol.51 (11), p.2618-2622
Main Authors: Feng, Xiao, Liu, Lili, Honsho, Yoshihito, Saeki, Akinori, Seki, Shu, Irle, Stephan, Dong, Yuping, Nagai, Atsushi, Jiang, Donglin
Format: Article
Language:English
Subjects:
ambipolar materials
Carrier transport
conducting materials
Conduction
Covalence
covalent organic frameworks
electron transport
Photoconductivity
porphyrinoids
Porphyrins
Stacking
Switching
Transport
Two dimensional
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Summary:Well conducted: A two‐dimensional porphyrin covalent organic framework is described. Owing to the eclipsed stacking alignment, the framework is conductive and allows high‐rate carrier transport through the porphyrin columns (see picture). The central metal in the porphyrin rings changes the conducting nature of the material from hole to electron, and to ambipolar conduction. It also drives the high on–off ratio photoconductivity of the framework.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201106203