{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T05:16:57Z","timestamp":1788239817077,"version":"build-2803163510"},"reference-count":61,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Chem."],"abstract":"<jats:p>\n                    The high production cost of cobalt blue (CoAl\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    ) pigments severely limits their wide application. Therefore, it is necessary to decrease the consumption of strategic cobalt resources to fabricate CoAl\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    pigments with high blue intensity and good dispersion. Herein, Co\n                    <jats:sub>x<\/jats:sub>\n                    M\n                    <jats:sub>1\u2212x<\/jats:sub>\n                    Al\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    \/kaolinite (M = Zn, Ca, and Mg) composite pigments were prepared via coprecipitation followed by high-temperature crystallization using kaolinite and soluble metal salts as raw materials. It was revealed that the blue intensity of the composite pigments could be facilely adjusted by controlling the added amount and the type of the involved metal ions and the introduction of kaolinite. The incorporated metal ions could effectively change the cell parameters and further affect the electron transition of Co\n                    <jats:sup>2+<\/jats:sup>\n                    , while kaolinite provided a two-dimensional substrate to support the generated CoAl\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    nanoparticles to improve the dispersion and reflective properties of visible light. Due to the synergistic effect of each component, the as-prepared composite pigments also exhibited satisfactory color properties and excellent thermal and suspension stability in ceramics. Therefore, this study was expected to develop a practical strategy for designing CoAl\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    composite pigments with controllable blue intensity and low cobalt consumption for high-temperature ceramic glaze.\n                  <\/jats:p>","DOI":"10.3389\/fchem.2026.1879833","type":"journal-article","created":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T04:26:48Z","timestamp":1788236808000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Preparation of CoxM1\u2212xAl2O4\/kaolinite (M = Zn, Ca, and Mg) composite pigments for ceramic glaze"],"prefix":"10.3389","volume":"14","author":[{"given":"Anjie","family":"Zhang","sequence":"first","affiliation":[{"name":"College of Civil Engineering, Northwest Minzu University","place":["Lanzhou, China"]},{"name":"Key Laboratory of Green Engineering Materials and Low-Carbon Construction","place":["Lanzhou, Gansu, China"]},{"name":"Industrial Research Institute of Prefabricated Buildings and Energy-Saving Materials","place":["Lanzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengmeng","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Civil Engineering, Northwest Minzu University","place":["Lanzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiangwei","family":"Xiao","sequence":"additional","affiliation":[{"name":"College of Civil Engineering, Northwest Minzu University","place":["Lanzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenqiang","family":"Yan","sequence":"additional","affiliation":[{"name":"College of Civil Engineering, Northwest Minzu University","place":["Lanzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering, Zhengzhou University","place":["Zhengzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bin","family":"Mu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Clay Minerals of Gansu Province, Research Center of Resource Chemistry and Energy Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences","place":["Lanzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aiqin","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Clay Minerals of Gansu Province, Research Center of Resource Chemistry and Energy Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences","place":["Lanzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,1]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1062","DOI":"10.1590\/1516-1439.031415","article-title":"Production of copper and cobalt aluminate spinels and their application as supports for inulinase immobilization","volume":"18","author":"Abaide","year":"2015","journal-title":"Mater. 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