N. Leonov, D. Kozlov, D. Kirilenko, N. Bert, A. Pelageikina, A. Nechitailov, M. Alikin, A. Krasilin
{"title":"在水热条件下形成具有高岭土结构的10a相,初始化学成分不同","authors":"N. Leonov, D. Kozlov, D. Kirilenko, N. Bert, A. Pelageikina, A. Nechitailov, M. Alikin, A. Krasilin","doi":"10.17586/2220-8054-2023-14-2-264-271","DOIUrl":null,"url":null,"abstract":"A BSTRACT We studied the process of obtaining nanostructured halloysite by varying the parameters for creating the initial composition. The initial composition was synthesized by co-hydrolysis of (C 3 H 7 O) 3 Al and (C 2 H 5 O) 4 Si in the C 6 H 14 –NH 3 · H 2 O system. Aluminum hydrosilicate with the composition Al 2 Si 2 O 5 (OH) 4 was synthesized under hydrothermal conditions (220 ◦ C, 2 MPa, 96 h). Particles of plate-like morphology with average length 100 – 200 nm and 60 nm thickness were obtained. The PXRD patterns revealed the presence of two phases. Plate-like kaolinites are found. Also we observed the formation of a halloysite-like phase. Studies of synthesized samples by IR spectroscopy and thermal analysis revealed the presence of organic-modified hydrosilicate with phase transition around 412 ◦ C. The resulting phase is promising for studying the processes of adsorption and further exfoliation.","PeriodicalId":18782,"journal":{"name":"Nanosystems: Physics, Chemistry, Mathematics","volume":"64 2 1","pages":""},"PeriodicalIF":0.8000,"publicationDate":"2023-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Formation of a 10 A phase with halloysite structure under hydrothermal conditions with varying initial chemical composition\",\"authors\":\"N. Leonov, D. Kozlov, D. Kirilenko, N. Bert, A. Pelageikina, A. Nechitailov, M. Alikin, A. Krasilin\",\"doi\":\"10.17586/2220-8054-2023-14-2-264-271\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A BSTRACT We studied the process of obtaining nanostructured halloysite by varying the parameters for creating the initial composition. The initial composition was synthesized by co-hydrolysis of (C 3 H 7 O) 3 Al and (C 2 H 5 O) 4 Si in the C 6 H 14 –NH 3 · H 2 O system. Aluminum hydrosilicate with the composition Al 2 Si 2 O 5 (OH) 4 was synthesized under hydrothermal conditions (220 ◦ C, 2 MPa, 96 h). Particles of plate-like morphology with average length 100 – 200 nm and 60 nm thickness were obtained. The PXRD patterns revealed the presence of two phases. Plate-like kaolinites are found. Also we observed the formation of a halloysite-like phase. Studies of synthesized samples by IR spectroscopy and thermal analysis revealed the presence of organic-modified hydrosilicate with phase transition around 412 ◦ C. The resulting phase is promising for studying the processes of adsorption and further exfoliation.\",\"PeriodicalId\":18782,\"journal\":{\"name\":\"Nanosystems: Physics, Chemistry, Mathematics\",\"volume\":\"64 2 1\",\"pages\":\"\"},\"PeriodicalIF\":0.8000,\"publicationDate\":\"2023-04-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nanosystems: Physics, Chemistry, Mathematics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.17586/2220-8054-2023-14-2-264-271\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"NANOSCIENCE & NANOTECHNOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nanosystems: Physics, Chemistry, Mathematics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17586/2220-8054-2023-14-2-264-271","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"NANOSCIENCE & NANOTECHNOLOGY","Score":null,"Total":0}
Formation of a 10 A phase with halloysite structure under hydrothermal conditions with varying initial chemical composition
A BSTRACT We studied the process of obtaining nanostructured halloysite by varying the parameters for creating the initial composition. The initial composition was synthesized by co-hydrolysis of (C 3 H 7 O) 3 Al and (C 2 H 5 O) 4 Si in the C 6 H 14 –NH 3 · H 2 O system. Aluminum hydrosilicate with the composition Al 2 Si 2 O 5 (OH) 4 was synthesized under hydrothermal conditions (220 ◦ C, 2 MPa, 96 h). Particles of plate-like morphology with average length 100 – 200 nm and 60 nm thickness were obtained. The PXRD patterns revealed the presence of two phases. Plate-like kaolinites are found. Also we observed the formation of a halloysite-like phase. Studies of synthesized samples by IR spectroscopy and thermal analysis revealed the presence of organic-modified hydrosilicate with phase transition around 412 ◦ C. The resulting phase is promising for studying the processes of adsorption and further exfoliation.