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This allows for precise control over the stoichiometry of the complexes, leading to reproducible properties. This investigation focuses on understanding the impact of secondary ligands on the luminescent properties of these complexes. Infrared (IR) spectra provided information about the molecular structures, whereas <jats:sup>1<\/jats:sup>H and <jats:sup>13<\/jats:sup>C nuclear magnetic resonance (NMR) spectra confirmed these structural details along with the coordination of ligands to trivalent Sm ion. The UV\u2013vis spectra revealed the molar absorption coefficient and absorption bands associated with the hfpd ligand and photoluminescence (PL) spectroscopy demonstrated intense orange\u2010red emission (648\u2009nm relative to <jats:sup>4<\/jats:sup>G<jats:sub>5\/2<\/jats:sub>\u2009\u2192\u2009<jats:sup>6<\/jats:sup>H<jats:sub>9\/2<\/jats:sub>) from the complexes. The Commission Internationale de l'\u00c9clairage (CIE) triangles indicated that the complexes emitted warm orange red light with color coordinates (<jats:italic>x<\/jats:italic>, <jats:italic>y<\/jats:italic>) ranging from (0.62, 0.36) to (0.40, 0.27). The investigation of the band gap as well as color parameters confirms the utility of these complexes in displays and LEDs.<\/jats:p>","DOI":"10.1002\/bio.4810","type":"journal-article","created":{"date-parts":[[2024,7,5]],"date-time":"2024-07-05T03:41:13Z","timestamp":1720150873000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Exploring the role of neutral ligands in modulating the photoluminescence of samarium complexes with 1,1,1,5,5,5\u2010hexafluoro\u20102,4\u2010pentanedione"],"prefix":"10.1002","volume":"39","author":[{"given":"Sofia","family":"Malik","sequence":"first","affiliation":[{"name":"Department of Chemistry Maharshi Dayanand University  Rohtak India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Komal","family":"Jakhar","sequence":"additional","affiliation":[{"name":"Department of Chemistry Maharshi Dayanand University  Rohtak India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2180-5049","authenticated-orcid":false,"given":"Devender","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Chemistry Maharshi Dayanand University  Rohtak India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Swati","family":"Dalal","sequence":"additional","affiliation":[{"name":"Department of Chemistry Maharshi Dayanand University  Rohtak India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anjli","family":"Hooda","sequence":"additional","affiliation":[{"name":"Department of Chemistry Maharshi Dayanand University  Rohtak India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kapeesha","family":"Nehra","sequence":"additional","affiliation":[{"name":"Department of Chemistry Maharshi Dayanand University  Rohtak India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sumit","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Chemistry DCR University of Science &amp; Technology  Murthal India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rajender Singh","family":"Malik","sequence":"additional","affiliation":[{"name":"Department of Chemistry DCR University of Science &amp; Technology  Murthal India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2635-6465","authenticated-orcid":false,"given":"Parvin","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Chemistry Kurukshetra University Kurukshetra  Thanesar India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,7,5]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.0c00544"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10895-022-02920-7"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.inoche.2022.109349"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.201801256"},{"key":"e_1_2_9_6_1","volume":"37","author":"Kumar P.","year":"2022","journal-title":"Luminescence"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.3390\/molecules26061695"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202001172"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.inoche.2023.110583"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jlumin.2022.119032"},{"key":"e_1_2_9_11_1","first-page":"141","volume-title":"Handbook on the physics and chemistry of rare earths","author":"B\u00fcnzli J. 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