The location of organic guests within X-type faujasite zeolites via external heavy-atom induced phosphorescence

Jonathan V. Caspar; V. Ramamurthy; David R. Corbin

doi:10.1016/0010-8545(90)80091-7

The location of organic guests within X-type faujasite zeolites via external heavy-atom induced phosphorescence

Jonathan V. Caspar, V. Ramamurthy, David R. Corbin

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Heavy-atom induced phosphorescence of naphthalene and related aromatic guest molecules included in X-type faujasite zeolites (M⁺X^-, M⁺ = Li,⁺ Na,⁺ K⁺, Rb⁺, Cs⁺, Tl⁺) has been studied and evidence has been obtained for direct interactions between the heavy-atom cations present within the zeolite supercage and the included organic guest. As expected for an external heavy-atom perturbed excited state, both singlet and triplet excited state lifetimes and emission efficiencies depend upon the identity and accessibility of the cation. The use of photophysical probes to monitor the guest's local environment and approaches to monitoring guest diffusion processes within zeolites via. phosphorescence are discussed.

Original language	English (US)
Pages (from-to)	225-236
Number of pages	12
Journal	Coordination Chemistry Reviews
Volume	97
Issue number	C
DOIs	https://doi.org/10.1016/0010-8545(90)80091-7
State	Published - Jan 1990
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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title = "The location of organic guests within X-type faujasite zeolites via external heavy-atom induced phosphorescence",

abstract = "Heavy-atom induced phosphorescence of naphthalene and related aromatic guest molecules included in X-type faujasite zeolites (M+X-, M+ = Li,+ Na,+ K+, Rb+, Cs+, Tl+) has been studied and evidence has been obtained for direct interactions between the heavy-atom cations present within the zeolite supercage and the included organic guest. As expected for an external heavy-atom perturbed excited state, both singlet and triplet excited state lifetimes and emission efficiencies depend upon the identity and accessibility of the cation. The use of photophysical probes to monitor the guest's local environment and approaches to monitoring guest diffusion processes within zeolites via. phosphorescence are discussed.",

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AU - Ramamurthy, V.

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AB - Heavy-atom induced phosphorescence of naphthalene and related aromatic guest molecules included in X-type faujasite zeolites (M+X-, M+ = Li,+ Na,+ K+, Rb+, Cs+, Tl+) has been studied and evidence has been obtained for direct interactions between the heavy-atom cations present within the zeolite supercage and the included organic guest. As expected for an external heavy-atom perturbed excited state, both singlet and triplet excited state lifetimes and emission efficiencies depend upon the identity and accessibility of the cation. The use of photophysical probes to monitor the guest's local environment and approaches to monitoring guest diffusion processes within zeolites via. phosphorescence are discussed.

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