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

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

Research output: Contribution to journalArticle

28 Citations (Scopus)

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 languageEnglish
Pages (from-to)225-236
Number of pages12
JournalCoordination Chemistry Reviews
Volume97
StatePublished - Dec 1 1990
Externally publishedYes

Fingerprint

Zeolites
Phosphorescence
phosphorescence
zeolites
Excited states
Atoms
Cations
Positive ions
atoms
cations
Naphthalene
naphthalene
excitation
life (durability)
Molecules
Monitoring
probes
molecules
interactions

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

The location of organic guests within X-type fauja site zeolites via external heavy-atom induced phosphorescence. / Caspar, Jonathan V.; Ramamurthy, Vaidhyanathan; Corbin, David R.

In: Coordination Chemistry Reviews, Vol. 97, 01.12.1990, p. 225-236.

Research output: Contribution to journalArticle

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