{"title":"一种用于 pH 值传感和防伪应用的具有聚集诱导发射的分子","authors":"","doi":"10.1016/j.jphotochem.2024.115919","DOIUrl":null,"url":null,"abstract":"<div><p>In this paper, a meaningful pH sensor (E)-4-(4-(1,2,2-triphenylvinyl) styryl)quinoline (TPQ) with aggregation-induced emission (AIE) effect was synthesized based on the conjugated 4-(1,2,2-triphenylvinyl)benzaldehyde and 4-methylquinoline connected by a C<img>C bond. The conjugated quinoline moiety acts as a proton acceptor, and the small variations of pH value in the linear range of 4.01–7.03 and 7.96–9.45 can cause obvious fluorescence fluctuations. The TPQ has good selectivity and reversibility in pH detection, and importantly, it can detect pH fluctuations in real-time in practical applications by fluorescent means. Moreover, TPQ can also be used as a potential viscosity fluorescence sensor for organic solvents. In addition, by combining various color changes of TPQ caused by acid, alkali, water and ammonia stimulation under sunlight and 365 nm ultraviolet light irradiation, it provides a novel concealed optical anti-counterfeiting technique with high security. Therefore, TPQ is a multifunctional molecule with great potential for applications in pH, viscosity sensing and anti-counterfeiting.</p></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":null,"pages":null},"PeriodicalIF":4.1000,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A molecule with aggregation-induced emission for the pH sensing and anti-counterfeiting applications\",\"authors\":\"\",\"doi\":\"10.1016/j.jphotochem.2024.115919\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In this paper, a meaningful pH sensor (E)-4-(4-(1,2,2-triphenylvinyl) styryl)quinoline (TPQ) with aggregation-induced emission (AIE) effect was synthesized based on the conjugated 4-(1,2,2-triphenylvinyl)benzaldehyde and 4-methylquinoline connected by a C<img>C bond. The conjugated quinoline moiety acts as a proton acceptor, and the small variations of pH value in the linear range of 4.01–7.03 and 7.96–9.45 can cause obvious fluorescence fluctuations. The TPQ has good selectivity and reversibility in pH detection, and importantly, it can detect pH fluctuations in real-time in practical applications by fluorescent means. Moreover, TPQ can also be used as a potential viscosity fluorescence sensor for organic solvents. In addition, by combining various color changes of TPQ caused by acid, alkali, water and ammonia stimulation under sunlight and 365 nm ultraviolet light irradiation, it provides a novel concealed optical anti-counterfeiting technique with high security. Therefore, TPQ is a multifunctional molecule with great potential for applications in pH, viscosity sensing and anti-counterfeiting.</p></div>\",\"PeriodicalId\":16782,\"journal\":{\"name\":\"Journal of Photochemistry and Photobiology A-chemistry\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":4.1000,\"publicationDate\":\"2024-07-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Photochemistry and Photobiology A-chemistry\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1010603024004635\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Photochemistry and Photobiology A-chemistry","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1010603024004635","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
A molecule with aggregation-induced emission for the pH sensing and anti-counterfeiting applications
In this paper, a meaningful pH sensor (E)-4-(4-(1,2,2-triphenylvinyl) styryl)quinoline (TPQ) with aggregation-induced emission (AIE) effect was synthesized based on the conjugated 4-(1,2,2-triphenylvinyl)benzaldehyde and 4-methylquinoline connected by a CC bond. The conjugated quinoline moiety acts as a proton acceptor, and the small variations of pH value in the linear range of 4.01–7.03 and 7.96–9.45 can cause obvious fluorescence fluctuations. The TPQ has good selectivity and reversibility in pH detection, and importantly, it can detect pH fluctuations in real-time in practical applications by fluorescent means. Moreover, TPQ can also be used as a potential viscosity fluorescence sensor for organic solvents. In addition, by combining various color changes of TPQ caused by acid, alkali, water and ammonia stimulation under sunlight and 365 nm ultraviolet light irradiation, it provides a novel concealed optical anti-counterfeiting technique with high security. Therefore, TPQ is a multifunctional molecule with great potential for applications in pH, viscosity sensing and anti-counterfeiting.
期刊介绍:
JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds.
All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor).
The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.