- PII
- S3034530825040147-1
- DOI
- 10.7868/S3034530825040147
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume / Issue number 4
- Pages
- 170-180
- Abstract
- The development of new functionalized organic compounds capable of efficiently coordinating metal ions remains a pressing challenge in the design of chemical sensors for environmental monitoring. In this work, a significant reduction in the detection limit of Cd ions was achieved by using a 6-formyl-substituted spiro[indoline-benzopyran] derivative containing a benzoxazole fragment at the 8’ position of the benzopyran moiety. Incorporation of spiropyran molecules into a siloxane-acrylate latex matrix and their association with a tetraphenylborate ion, acting as a spacer to prevent π-stacking and self-quenching of luminescence, led to a notable enhancement in sensor sensitivity. The use of transparent, ion-permeable latex films modified with SP-TFB complexes enabled a five orders of magnitude decrease in the detection limit of Cd, reaching 1.66 nM.
- Keywords
- спиротиран хемосенсоры кадмий люминесцентные материалы селективное детектирование
- Date of publication
- 21.08.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 68
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