{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T14:08:39Z","timestamp":1792850919520,"version":"4.5.0"},"reference-count":71,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2024,8,5]],"date-time":"2024-08-05T00:00:00Z","timestamp":1722816000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"BG Fund for Scientific Investigations","award":["KP-06-N69\/6"],"award-info":[{"award-number":["KP-06-N69\/6"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>The solvothermal synthesis of LnCl3.nH2O with terephthalic acid (benzene-1,4-dicarboxylic acid, H2BDC) produced metal\u2013organic frameworks (LnBDC), [Ln2(BDC)3(H2O)4]\u221e, where Ln = Sm, Eu, Tb, and Dy. The materials obtained were characterized by a number of physico-chemical techniques. The influence of the ionic radius of the lanthanides on the microstructural characteristics of the Ln-MOFs was evaluated by performing Rietveld refinement. The MOFs obtained were tested as fluorescent sensors for numerous cations and anions in water. The highly luminescent EuBDC and TbBDC demonstrated multi-responsive luminescence sensing functions to detect Ag(I), Fe(III), Cr(III), and Cr(VI), which are essential for their environmental applications. By applying the non-linear Stern\u2013Volmer equation, the fluorescent quenching mechanism was determined. The stability of the obtained materials in water in a wide pH range (acidity pH = 4 and alkalinity pH = 9 solutions) was confirmed.<\/jats:p>","DOI":"10.3390\/molecules29153713","type":"journal-article","created":{"date-parts":[[2024,8,5]],"date-time":"2024-08-05T18:21:40Z","timestamp":1722882100000},"page":"3713","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Investigation of the Sensing Properties of Lanthanoid Metal\u2013Organic Frameworks (Ln-MOFs) with Terephthalic Acid"],"prefix":"10.3390","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8260-9703","authenticated-orcid":false,"given":"Denitsa","family":"Elenkova","sequence":"first","affiliation":[{"name":"Faculty of Chemistry and Pharmacy, Sofia University, 1164 Sofia, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yana","family":"Dimitrova","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry and Pharmacy, Sofia University, 1164 Sofia, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2917-5376","authenticated-orcid":false,"given":"Martin","family":"Tsvetkov","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry and Pharmacy, Sofia University, 1164 Sofia, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bernd","family":"Morgenstern","sequence":"additional","affiliation":[{"name":"Inorganic Solid State Chemistry, Saarland University, Campus Geb. C4 1, 66123 Saarbr\u00fccken, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria","family":"Milanova","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry and Pharmacy, Sofia University, 1164 Sofia, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5274-7152","authenticated-orcid":false,"given":"Dimitar","family":"Todorovsky","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry and Pharmacy, Sofia University, 1164 Sofia, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-7794-1377","authenticated-orcid":false,"given":"Joana","family":"Zaharieva","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry and Pharmacy, Sofia University, 1164 Sofia, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Yan, B. 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