| Autor: |
Roy BC; Department of Chemistry, Faculty of Science and Technology, ICFAI University Tripura, Agartala 799210, Tripura, India., Ramlal VR; Analytical and Environmental Science Division and Centralized Instrument Facility, CSIR─Central Salt & Marine Chemicals Research Institute, Bhavnagar 364002, Gujarat, India.; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India., Basak D; Department of Chemistry, National Institute of Technology Sikkim, Barfung Block, Ravangla Sub-Division, Dist., Namchi, Sikkim 737139, India., Basak S; Department of Information Technology, Indian Institute of Information Technology Allahabad, Prayagraj 211015, India., Roy S; Department of Chemistry, Faculty of Science and Technology, ICFAI University Tripura, Agartala 799210, Tripura, India., Ghosh S; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.; Inorganic and Physical Chemistry Laboratory, Council of Scientific and Industrial Research (CSIR), Central Leather Research Institute (CLRI), Chennai 600020, India., Singha Mahapatra T; Department of Chemistry, Faculty of Science and Technology, ICFAI University Tripura, Agartala 799210, Tripura, India. |
| Abstrakt: |
Lanthanide-based light-emitting coordination polymers (CPs) and CP gels (CPGs) have significance for applications in optical systems, image processing/multiplexing, and optical sensors. In this study, we report two new luminescent CPs (EuL-CP ( 1 ) and TbL-CP ( 2 )) and CPGs (EuL-gel ( 5 ) and TbL-gel ( 6 )) using lanthanide(III) ions (Ln(III) = Eu(III) and Tb(III)) and 4-(4-carboxyphenyl)-2,2:6,2-terpyridine ligand ( L ) capable of forming stable thermoreversible gels. Probable structures of EuL-CP ( 1 ) and TbL-CP ( 2 ) and the formations of EuL-gel ( 5 ) and TbL-gel ( 6 ) are proposed based on adequate computational studies. The CPGs are stimuli-responsive and could be utilized as invisible security inks for encryption. Further, poly(methyl methacrylate) (PMMA) polymer doped with respective CPs (0.75 wt %) is found to be suitable for forming composite films with UV-shielding properties. |
