Triplet-state photophysics of naphthalene and .alpha.,.omega.-diphenylpolyenes included in heavy-cation-exchanged zeolites

Heavy-cation-exchanged zeolites offer a powerful new medium for observing external heavy-atom perturbation of organic triplet states. In this Letter the authors report the use of optically detected magnetic resonance measurements to determine the geometric mode of interaction between the perturbing...

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Bibliographic Details
Published in:Journal of physical chemistry (1952) 1990-05, Vol.94 (9), p.3391-3393
Main Authors: Ramamurthy, V, Caspar, Jonathan V, Corbin, David R, Schlyer, Bruce D, Maki, August H
Format: Article
Language:English
Subjects:
400500 - Photochemistry
AROMATICS
CHEMICAL REACTIONS
Chemistry
CONDENSED AROMATICS
DATA
DATA ANALYSIS
Exact sciences and technology
EXPERIMENTAL DATA
General and physical chemistry
HYDROCARBONS
INFORMATION
INORGANIC ION EXCHANGERS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
ION EXCHANGE MATERIALS
Ion-exchange
MATERIALS
MEASURING INSTRUMENTS
MEASURING METHODS
MINERALS
NAPHTHALENE
NUMERICAL DATA
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
POLYENES
Surface physical chemistry
ZEOLITES
Zeolites: preparations and properties
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Summary:Heavy-cation-exchanged zeolites offer a powerful new medium for observing external heavy-atom perturbation of organic triplet states. In this Letter the authors report the use of optically detected magnetic resonance measurements to determine the geometric mode of interaction between the perturbing heavy atom and naphthalene within the X- and Y-type faujasites exchanged with K{sup +}, Rb{sup +}, and Cs{sup +}. Building upon these results, the authors demonstrate the use of the heavy-cation-exchanged zeolites as spectroscopic matrices enabling the detection of triplet phosphorescence from a series of all-trans-{alpha},{omega}-diphenylpolyenes for which phosphorescence has not been previously observed.
ISSN:0022-3654
1541-5740
DOI:10.1021/j100372a011