Chemistry and Physics Faculty Articles

Title

A General Model of Sensitized Luminescence in Lanthanide-Based Coordination Polymers and Metal–Organic Framework Materials

Document Type

Article

Publication Date

5-2-2017

Publication Title

Inorganic Chemistry

ISSN

0020-1669

Volume

56

Issue/No.

10

First Page

5544

Last Page

5552

Abstract

Luminescent lanthanides containing coordination polymers and metal–organic frameworks hold great potential in many applications due to their distinctive spectroscopic properties. While the ability to design coordination polymers for specific functions is often mentioned as a major benefit bestowed on these compounds, the lack of a meaningful understanding of the luminescence in lanthanide coordination polymers remains a significant challenge toward functional design. Currently, the study of these compounds is based on the antenna effect as derived from molecular systems, where organic antennae are used to facilitate lanthanide-centered luminescence. This molecular-based approach does not take into account the unique features of extended network solids, particularly the formation of band structure. While guidelines for the antenna effect are well established, they require modification before being applied to coordination polymers. A series of nine coordination polymers with varying topologies and organic linkers were studied to investigate the accuracy of the antenna effect in coordination polymer systems. By comparing a molecular-based approach to a band-based one, it was determined that the band structure that occurs in aggregated organic solids needs to be considered when evaluating the luminescence of lanthanide coordination polymers.

Comments

©2017 American Chemical Society

ORCID ID

0000-0003-0891-7246

DOI

10.1021/acs.inorgchem.6b02838

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Peer Reviewed

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