{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,26]],"date-time":"2026-04-26T11:48:55Z","timestamp":1777204135532,"version":"3.51.4"},"reference-count":38,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2020,5,1]],"date-time":"2020-05-01T00:00:00Z","timestamp":1588291200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia (FCT, Portugal)","award":["PhD Grant SFRH\/BD\/111720\/2015"],"award-info":[{"award-number":["PhD Grant SFRH\/BD\/111720\/2015"]}]},{"DOI":"10.13039\/501100008530","name":"European Regional Development Fund","doi-asserted-by":"publisher","award":["project \u201cNANOPURIFY - Development of photocatalytic panels for air treatment units, Vieira & Lopes Lda.\u201d"],"award-info":[{"award-number":["project \u201cNANOPURIFY - Development of photocatalytic panels for air treatment units, Vieira & Lopes Lda.\u201d"]}],"id":[{"id":"10.13039\/501100008530","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Coatings"],"abstract":"<jats:p>Bi2O3 nanocone films functionalized with an overlayer of TiO2 were deposited by d.c. reactive magnetron sputtering. The aforementioned nanocone structures were formed via a vapour-liquid-solid (VLS) growth, starting from a catalytic bismuth seed layer. The resultant nanocones exhibit an improved surface area, measured by atomic force microscopy, when compared to non-VLS deposition of the same metal oxide. X-ray diffraction texture analysis enabled the determination of the crystallographic \u03b2-phase of Bi2O3. A very thin TiO2 overlayer (6 nm thick), undoped and doped with nitrogen, was deposited onto the nanocones template, in order to functionalize these structures with a photocatalytic, self-cleaning, cap material. N-doped TiO2 overlayers increased the selective absorption of visible light due to nitrogen doping in the anatase cell, thus, resulting in a concomitant increase in the overall photocatalytic efficiency.<\/jats:p>","DOI":"10.3390\/coatings10050445","type":"journal-article","created":{"date-parts":[[2020,5,4]],"date-time":"2020-05-04T03:29:39Z","timestamp":1588562979000},"page":"445","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Photocatalytic Bi2O3\/TiO2:N Thin Films with Enhanced Surface Area and Visible Light Activity"],"prefix":"10.3390","volume":"10","author":[{"given":"Lu\u00eds P.","family":"Dias","sequence":"first","affiliation":[{"name":"Centre of Physics, University of Minho, 4835-386 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8991-0814","authenticated-orcid":false,"given":"Filipe C.","family":"Correia","sequence":"additional","affiliation":[{"name":"Centre of Physics, University of Minho, 4835-386 Guimar\u00e3es, Portugal"}]},{"given":"Joana M.","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"Centre of Physics, University of Minho, 4835-386 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5757-0096","authenticated-orcid":false,"given":"Carlos J.","family":"Tavares","sequence":"additional","affiliation":[{"name":"Centre of Physics, University of Minho, 4835-386 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2020,5,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"157","DOI":"10.2174\/187221208786306289","article-title":"Doped-TiO2: A Review","volume":"2","year":"2008","journal-title":"Recent Patents Eng."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1016\/j.jphotochemrev.2012.06.001","article-title":"TiO2 photocatalysis: Design and applications","volume":"13","author":"Nakata","year":"2012","journal-title":"J. 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