Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area
The silica-titania aerogel beads were synthesized through sol-gel reaction followed by supercritical drying, in which TEOS and TBT as co-precursors, EtOH as solvents, HAC and NH<sub>3</sub>·H<sub>2</sub>O as catalysts. The as-prepared aerogel beads were characterized...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
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Journal of Materials Engineering
2017-02-01
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| Series: | Cailiao gongcheng |
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| Online Access: | http://jme.biam.ac.cn/CN/Y2017/V45/I2/7 |
| _version_ | 1797964912729784320 |
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| author | YU Yu-xi ZHU Meng-wei |
| author_facet | YU Yu-xi ZHU Meng-wei |
| author_sort | YU Yu-xi |
| collection | DOAJ |
| description | The silica-titania aerogel beads were synthesized through sol-gel reaction followed by supercritical drying, in which TEOS and TBT as co-precursors, EtOH as solvents, HAC and NH<sub>3</sub>·H<sub>2</sub>O as catalysts. The as-prepared aerogel beads were characterized by SEM,TEM,XRD,FT-IR,TG-DTA and nitrogen adsorption-desorption. The results indicate that the diameter distribution of beads are between 1-8mm, the average diameter of beads is 3.5mm. The aerogel beads have nanoporous network structure with high specific surface area of 914.5m<sup>2</sup>/g, and the TiO<sub>2</sub> particles are distributed in the aerogel uniformly, which keep the anatase crystal under high temperature. |
| first_indexed | 2024-04-11T01:51:04Z |
| format | Article |
| id | doaj.art-8b512d53980a44a5906d1f8a702ca887 |
| institution | Directory Open Access Journal |
| issn | 1001-4381 1001-4381 |
| language | zho |
| last_indexed | 2024-04-11T01:51:04Z |
| publishDate | 2017-02-01 |
| publisher | Journal of Materials Engineering |
| record_format | Article |
| series | Cailiao gongcheng |
| spelling | doaj.art-8b512d53980a44a5906d1f8a702ca8872023-01-03T06:24:18ZzhoJournal of Materials EngineeringCailiao gongcheng1001-43811001-43812017-02-0145271110.11868/j.issn.1001-4381.2015.000780201702000780Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface AreaYU Yu-xi0ZHU Meng-wei1Fujian Key Laboratory of Advanced Materials, Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, Fujian, ChinaFujian Key Laboratory of Advanced Materials, Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, Fujian, ChinaThe silica-titania aerogel beads were synthesized through sol-gel reaction followed by supercritical drying, in which TEOS and TBT as co-precursors, EtOH as solvents, HAC and NH<sub>3</sub>·H<sub>2</sub>O as catalysts. The as-prepared aerogel beads were characterized by SEM,TEM,XRD,FT-IR,TG-DTA and nitrogen adsorption-desorption. The results indicate that the diameter distribution of beads are between 1-8mm, the average diameter of beads is 3.5mm. The aerogel beads have nanoporous network structure with high specific surface area of 914.5m<sup>2</sup>/g, and the TiO<sub>2</sub> particles are distributed in the aerogel uniformly, which keep the anatase crystal under high temperature.http://jme.biam.ac.cn/CN/Y2017/V45/I2/7aerogel beadsilica-titaniasol-gelsupercritical drying |
| spellingShingle | YU Yu-xi ZHU Meng-wei Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area Cailiao gongcheng aerogel bead silica-titania sol-gel supercritical drying |
| title | Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area |
| title_full | Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area |
| title_fullStr | Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area |
| title_full_unstemmed | Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area |
| title_short | Preparation and Characterization of Highly Spherical Silica-titania Aerogel Beads with High Surface Area |
| title_sort | preparation and characterization of highly spherical silica titania aerogel beads with high surface area |
| topic | aerogel bead silica-titania sol-gel supercritical drying |
| url | http://jme.biam.ac.cn/CN/Y2017/V45/I2/7 |
| work_keys_str_mv | AT yuyuxi preparationandcharacterizationofhighlysphericalsilicatitaniaaerogelbeadswithhighsurfacearea AT zhumengwei preparationandcharacterizationofhighlysphericalsilicatitaniaaerogelbeadswithhighsurfacearea |