{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T16:51:18Z","timestamp":1787503878300,"version":"build-2736575974"},"reference-count":53,"publisher":"Wiley","issue":"29","license":[{"start":{"date-parts":[[2025,5,7]],"date-time":"2025-05-07T00:00:00Z","timestamp":1746576000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001409","name":"Department of Science and Technology, Ministry of Science and Technology, India","doi-asserted-by":"publisher","award":["SRG\/2022\/000866"],"award-info":[{"award-number":["SRG\/2022\/000866"]}],"id":[{"id":"10.13039\/501100001409","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Construction of multicolor emissive PMMA composite films are reported using luminescent lanthanide Schiff\u2010Base complexes and Terbium doped Graphene Quantum dots (GQD@Tb) for white light generation. Terbium\u2010doped green emissive Graphene Quantum Dots are synthesized hydrothermally using\n                    <jats:italic>ortho<\/jats:italic>\n                    \u2010phenyldiammine (OPDA), Triethylamine and Tb(NO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>3<\/jats:sub>\n                    .6H\n                    <jats:sub>2<\/jats:sub>\n                    O and is thoroughly characterized by microscopic and spectroscopic techniques. Isostructural lanthanides (III) complexes [Dy\n                    <jats:sup>III<\/jats:sup>\n                    <jats:sub>2<\/jats:sub>\n                    (L)\n                    <jats:sub>2<\/jats:sub>\n                    (NO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    (\n                    <jats:italic>dmf<\/jats:italic>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    ] (\n                    <jats:bold>1<\/jats:bold>\n                    ), and [Sm\n                    <jats:sup>III<\/jats:sup>\n                    <jats:sub>2<\/jats:sub>\n                    (L)\n                    <jats:sub>2<\/jats:sub>\n                    (NO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    (\n                    <jats:italic>dmf<\/jats:italic>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    ] (\n                    <jats:bold>2<\/jats:bold>\n                    ) are isolated from an organic Schiff base ligand, H\n                    <jats:sub>2<\/jats:sub>\n                    L, ligand is prepared by 1:1 condensation of salicylaldehyde and 2\u2010(2\u2010Aminoethoxy)ethanol, and are characterized. The photoluminescent data analysis reveals green emission of GQD@Tb, pure blue emissive Dy\n                    <jats:sup>III<\/jats:sup>\n                    L and red emission of Sm\n                    <jats:sup>III<\/jats:sup>\n                    L. Additionally, intensified ligand emission attests for the blue emitter\u2010Dy\n                    <jats:sup>III<\/jats:sup>\n                    L complex while the \u201cantenna effect\u201d is witnessed for red fluorophore Sm\n                    <jats:sup>III<\/jats:sup>\n                    L. Co\u2010doping of metal complexes and GQD@Tb into the Poly(methyl methylacrylate) [PMMA] polymer improves luminescence intensity due to inhibition of aggregation\u2010induced quenching. By conscientious combination of red\u2010Sm\n                    <jats:sup>III<\/jats:sup>\n                    L with green\u2010GQD@Tb in a specified concentration, distinct white light is accomplished for the\n                    <jats:italic>first time<\/jats:italic>\n                    with Commission Internationale de I\u2019\u00c9clairage (CIE) values of 0.29, 0.32, very close to the ideal white emitter. The newly developed nano and molecular complex composite of GQD@Tb and Sm\n                    <jats:sup>III<\/jats:sup>\n                    L\u2010PMMA films are transparent and highly desired materials in optoelectronics, microscopy, and sensing.\n                  <\/jats:p>","DOI":"10.1002\/smll.202503419","type":"journal-article","created":{"date-parts":[[2025,5,7]],"date-time":"2025-05-07T06:50:17Z","timestamp":1746600617000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["White Light Emission from Luminescent Lanthanide Molecular Complex\/Terbium Doped Graphene Quantum Dots\/PMMA Composites"],"prefix":"10.1002","volume":"21","author":[{"given":"Uttam","family":"Sarkar","sequence":"first","affiliation":[{"name":"Department of Chemistry National Institute of Technology Raipur  Chhattisgarh 492010 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