Emissive sensors and devices incorporating these sensors
First Claim
1. A sensor, comprising:
- a substrate comprising a compound having a structure;
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Abstract
The present invention generally relates to luminescent and/or optically absorbing compositions and/or precursors to those compositions, including solid films incorporating these compositions/precursors, exhibiting increased luminescent lifetimes, quantum yields, enhanced stabilities and/or amplified emissions. The present invention also relates to sensors and methods for sensing analytes through luminescent and/or optically absorbing properties of these compositions and/or precursors. Examples of analytes detectable by the invention include electrophiles, alkylating agents, thionyl halides, and phosphate ester groups including phosphoryl halides, cyanides and thioates such as those found in certain chemical warfare agents. The present invention additionally relates to devices and methods for amplifying emissions, such as those produced using the above-described compositions and/or precursors, by incorporating the composition and/or precursor within a polymer having an energy migration pathway. In some cases, the compositions and/or precursors thereof include a compound capable of undergoing a cyclization reaction.
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Citations
19 Claims
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1. A sensor, comprising:
a substrate comprising a compound having a structure; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 19)
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11. A method, comprising:
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reacting a compound with an electrophile to produce a product having greater emissivity than the compound, wherein the product comprises at least a portion of the compound that has been cyclized upon reaction with the electrophile, wherein the compound has the following structure, - View Dependent Claims (13, 14, 15)
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12. A method, comprising:
cyclizing at least a portion of a compound by reacting the compound with an electrophile, the compound having a structure; - View Dependent Claims (16, 17, 18)
Specification