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The photocatalysts synthesized using different concentrations of H\n                    <jats:sub>2<\/jats:sub>\n                    SO\n                    <jats:sub>4<\/jats:sub>\n                    possess specific anatase\/rutile ratios and crystallite sizes as well as surface areas, resulting in different photocatalytic performance in the degradation of formic acid in solution. The best photocatalytic performance is observed for the TiO\n                    <jats:sub>2<\/jats:sub>\n                    photocatalyst containing a relatively high percentage of the rutile phase (\u223c84%), which is obtained from the sol\u2013gel synthesis without H\n                    <jats:sub>2<\/jats:sub>\n                    SO\n                    <jats:sub>4<\/jats:sub>\n                    .\n                  <\/jats:p>","DOI":"10.1088\/2399-1984\/abfb7d","type":"journal-article","created":{"date-parts":[[2021,4,26]],"date-time":"2021-04-26T20:34:27Z","timestamp":1619469267000},"page":"025004","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":23,"title":["Bandgap optimization of sol\u2013gel-derived TiO\n                    <sub>2<\/sub>\n                    and its effect on the photodegradation of formic acid"],"prefix":"10.1088","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0273-7554","authenticated-orcid":false,"given":"Morad","family":"Zouheir","sequence":"first","affiliation":[]},{"given":"Ouissal","family":"Assila","sequence":"additional","affiliation":[]},{"given":"Karim","family":"Tanji","sequence":"additional","affiliation":[]},{"given":"Abdelali","family":"El Gaidoumi","sequence":"additional","affiliation":[]},{"given":"Javier","family":"Ara\u00f1a","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3604-1544","authenticated-orcid":false,"given":"Jos\u00e9 Miguel","family":"Do\u00f1a Rodr\u00edguez","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1049-3577","authenticated-orcid":false,"given":"Jan-Henrik","family":"Sm\u00e5tt","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7408-7669","authenticated-orcid":false,"given":"Tan-Phat","family":"Huynh","sequence":"additional","affiliation":[]},{"given":"Abdelhak","family":"Kherbeche","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2021,6,4]]},"reference":[{"key":"nanofabfb7dbib1","doi-asserted-by":"publisher","first-page":"376","DOI":"10.30955\/gnj.000598","type":"journal-article","article-title":"Use of selected advanced oxidation processes (AOPs) for wastewater treatment\u2014a mini review","volume":"10","author":"Stasinakis","year":"2008","journal-title":"Glob. 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