{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T04:08:43Z","timestamp":1771646923728,"version":"3.50.1"},"reference-count":65,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2014,7,2]],"date-time":"2014-07-02T00:00:00Z","timestamp":1404259200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemElectroChem"],"published-print":{"date-parts":[[2014,8,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A novel composite is prepared by the incorporation of the iron\u2010substituted silicotungstate [SiW<jats:sub>11<\/jats:sub>Fe<jats:sup>III<\/jats:sup>(H<jats:sub>2<\/jats:sub>O)O<jats:sub>39<\/jats:sub>]<jats:sup>5\u2212<\/jats:sup> (SiW<jats:sub>11<\/jats:sub>Fe) into the 3D structure of MIL\u2010101(Cr). Pyrolytic graphite electrodes are modified with SiW<jats:sub>11<\/jats:sub>Fe and the composite material SiW<jats:sub>11<\/jats:sub>Fe@MIL\u2010101, and the electrochemical behavior of the electrodes is studied by cyclic voltammetry. The SiW<jats:sub>11<\/jats:sub>Fe\u2010modified electrode shows three reduction processes: the peak at more positive potentials is assigned to Fe<jats:sup>III<\/jats:sup>\u2192Fe<jats:sup>II<\/jats:sup> and the other two peaks to W<jats:sup>VI<\/jats:sup>\u2192W<jats:sup>V<\/jats:sup> processes. The SiW<jats:sub>11<\/jats:sub>Fe@MIL\u2010101\u2010modified electrode shows, besides the redox processes assigned to SiW<jats:sub>11<\/jats:sub>Fe, an additional peak from the MIL\u2010101(Cr) matrix, which corresponds to Cr<jats:sup>III<\/jats:sup>\u2192Cr<jats:sup>II<\/jats:sup> reduction. The SiW<jats:sub>11<\/jats:sub>Fe@MIL\u2010101\u2010modified electrode shows excellent tungsten\u2010based electrocatalytic activity towards nitrite and iodate reduction, and chromium\u2010based electrocatalytic properties towards ascorbic acid oxidation. It, thus, ultimately proves to be a modified electrode with multi\u2010electrocatalytic properties.<\/jats:p>","DOI":"10.1002\/celc.201402094","type":"journal-article","created":{"date-parts":[[2014,7,2]],"date-time":"2014-07-02T17:57:01Z","timestamp":1404323821000},"page":"1293-1300","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["SiW<sub>11<\/sub>Fe@MIL\u2010101(Cr) Composite: A Novel and Versatile Electrocatalyst"],"prefix":"10.1002","volume":"1","author":[{"given":"Diana M.","family":"Fernandes","sequence":"first","affiliation":[]},{"given":"Carlos M.","family":"Granadeiro","sequence":"additional","affiliation":[]},{"given":"Patr\u00edcia M.","family":"Paes\u2005de\u2005Sousa","sequence":"additional","affiliation":[]},{"given":"Raquel","family":"Grazina","sequence":"additional","affiliation":[]},{"given":"Jos\u00e9 J. 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