{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T06:30:33Z","timestamp":1775543433011,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2024,3,22]],"date-time":"2024-03-22T00:00:00Z","timestamp":1711065600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"FCT (Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia)","doi-asserted-by":"publisher","award":["LA\/P\/0008\/2020"],"award-info":[{"award-number":["LA\/P\/0008\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"FCT (Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia)","doi-asserted-by":"publisher","award":["UIDP\/50006\/2020"],"award-info":[{"award-number":["UIDP\/50006\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"FCT (Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia)","doi-asserted-by":"publisher","award":["EXPL\/CTM-CTM\/0790\/2021"],"award-info":[{"award-number":["EXPL\/CTM-CTM\/0790\/2021"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Institute of General and Ecological Chemistry of Lodz University of Technology","award":["LA\/P\/0008\/2020"],"award-info":[{"award-number":["LA\/P\/0008\/2020"]}]},{"name":"Institute of General and Ecological Chemistry of Lodz University of Technology","award":["UIDP\/50006\/2020"],"award-info":[{"award-number":["UIDP\/50006\/2020"]}]},{"name":"Institute of General and Ecological Chemistry of Lodz University of Technology","award":["EXPL\/CTM-CTM\/0790\/2021"],"award-info":[{"award-number":["EXPL\/CTM-CTM\/0790\/2021"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>This work is focused on the application of lanthanide-free perovskite Ba1\u2212xSrxTiO3 (0 &lt; x &lt; 1) in valorization of toxic pollutants as 4-nitrophenol (4-NPh). The series of perovskites were fabricated by facile, one-step solid-state preparation method and characterized via various techniques: elemental analysis (Inductively Coupled Plasma Optical Emission Spectrometry, ICP-OES), powder X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR) and dielectric properties (impedance spectroscopy, IS). The methods confirmed the assumed composition, structure and high purity of the materials. The results showed that substitution of Ba2+ by Sr2+ in the perovskite crystal lattice influenced the dielectric properties of samples and the size of the grains. The absorption and catalytic properties of Ba(1\u2212x)SrxTiO3 (0 &lt; x &lt; 1) series were evaluated in reduction of 4-NPh in water using NaBH4 as reducing agent. No adsorption of 4-NPh was found for all the materials during 180 min of contact (experiment without reducing agent), and the best catalytic performance was found for the Ba(1\u2212x)SrxTiO3 (x = 0.3) sample. The catalytic transformation of 4-NPh to 4-APh follows a pseudo-first-order model, and the catalysts can be easily regenerated via mild annealing (300 \u00b0C).<\/jats:p>","DOI":"10.3390\/molecules29071416","type":"journal-article","created":{"date-parts":[[2024,3,22]],"date-time":"2024-03-22T05:10:53Z","timestamp":1711084253000},"page":"1416","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Catalytic Transformation of Nitroarenes to Amines over Ba(1\u2212x)SrxTiO3 (0 &lt; x &lt; 1) Perovskites in Water"],"prefix":"10.3390","volume":"29","author":[{"given":"Iwona","family":"Ku\u017aniarska-Biernacka","sequence":"first","affiliation":[{"name":"REQUIMTE\/LAQV, Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre s\/n, 4169-007 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8823-9619","authenticated-orcid":false,"given":"Barbara","family":"Garbarz-Glos","sequence":"additional","affiliation":[{"name":"Institute of Technology, University of the National Education Commission, Podchor\u0105\u017cych 2, 30-084 Krak\u00f3w, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8678-5256","authenticated-orcid":false,"given":"El\u017cbieta","family":"Skiba","sequence":"additional","affiliation":[{"name":"Institute of General and Ecological Chemistry, Lodz University of Technology, \u017beromskiego 116, 90-924 \u0141\u00f3d\u017a, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6094-0748","authenticated-orcid":false,"given":"Waldemar","family":"Maniukiewicz","sequence":"additional","affiliation":[{"name":"Institute of General and Ecological Chemistry, Lodz University of Technology, \u017beromskiego 116, 90-924 \u0141\u00f3d\u017a, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5049-4649","authenticated-orcid":false,"given":"Marta","family":"Monteiro","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre s\/n, 4169-007 Porto, Portugal"}]},{"given":"Wojciech","family":"B\u0105k","sequence":"additional","affiliation":[{"name":"Institute of Technology, University of the National Education Commission, Podchor\u0105\u017cych 2, 30-084 Krak\u00f3w, Poland"}]},{"given":"Dariusz","family":"Szyd\u0142owski","sequence":"additional","affiliation":[{"name":"Evidence Law and Forensic Technology, University of the National Education Commission, Podchor\u0105\u017cych 2, 30-084 Krak\u00f3w, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1753-8678","authenticated-orcid":false,"given":"Cristina","family":"Freire","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre s\/n, 4169-007 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"20170019","DOI":"10.1515\/revac-2017-0019","article-title":"p-Nitrophenol determination and remediation: An overview","volume":"37","author":"Tchieno","year":"2018","journal-title":"Rev. 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