Issue 47, 2005
From the journal:

CrystEngComm

Emission quenching of photoactive molecules embedded in supramolecular solids: Synthesis, structure and photoluminescence studies of benzil in a CMCR-based inclusion complex with a saturated linker molecule†

Shao-Liang Zheng*a  and  Philip Coppens*a  

* Corresponding authors

a Department of Chemistry, State University of New York at Buffalo, Buffalo, New York, USA
E-mail: coppens@buffalo.edu

Abstract

Using a fully saturated linker, DPP [DPP = 1,3-di-(4-piperidyl)propane], a new CMCR-based (CMCR = C-methylcalix[4]resorcinarene) supramolecular complex incorporating benzil, CMCR-DPP-benzil-EtOH-H2O, and a corresponding benzil-free analogue CMCR-DPP-3EtOH, have been synthesized. Comparison of the TDDFT energy levels and the experimental host-absorption and guest-emission spectra, confirms that the emission quenching of benzil in a series of CMCR-linker frameworks can be attributed to the energy transfer from the guest to the host framework in the supramolecular solid and suggests strategies for increasing the lifetime of luminescent materials.

Graphical abstract: Emission quenching of photoactive molecules embedded in supramolecular solids: Synthesis, structure and photoluminescence studies of benzil in a CMCR-based inclusion complex with a saturated linker molecule

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Article information

DOI
https://doi.org/10.1039/B502562A
Article type
Paper
Submitted
21 Feb 2005
Accepted
07 Apr 2005
First published
19 Apr 2005

CrystEngComm, 2005,7, 289-293

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Emission quenching of photoactive molecules embedded in supramolecular solids: Synthesis, structure and photoluminescence studies of benzil in a CMCR-based inclusion complex with a saturated linker molecule

S. Zheng and P. Coppens, CrystEngComm, 2005, 7, 289 DOI: 10.1039/B502562A

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