Article(id=1319222290030637204, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220646, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1659888000000, receivedDateStr=2022-08-08, revisedDate=1662566400000, revisedDateStr=2022-09-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456703908, onlineDateStr=2026-10-20, pubDate=1674144000000, pubDateStr=2023-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456703908, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456703908, creator=13701087609, updateTime=1792456703908, updator=13701087609, issue=Issue{id=1319222240177144549, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='1', pageStart='1', pageEnd='282', issueExtLink='null', onlineDate='null', pubDate='1674144000000', pubDateStr='2023-01-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456692021, creator='13701087609', updateTime=1792456863865, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319222960989262349, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319222960989262350, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=163, endPage=170, ext={EN=ArticleExt(id=1319222290227769493, articleId=1319222290030637204, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Mesoporous Petal-like MgAl2O4, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

In the field of catalyst support and adsorption, mesoporous petal-like MgAl2O4 has attracted much attention because of their large surface area, abundant and accessible catalytic sites and not easy to aggregate. Mesoporous petal-like MgAl2O4 was prepared by a molten salt assisted non-hydrolytic sol-gel method with aluminum wire as aluminum source, magnesium powder as magnesium source, absolute ethyl alcohol as a solvent and Na2MoO4 as a molten salt, respectively. The effects of heat treatment temperature and soaking time on the phase composition and morphology of petal-like MgAl2O4 were investigated by X-ray diffraction and field emission scanning electron microscopy. The microstructure of the petal-like MgAl2O4 was determined by transmission electron microscopy (TEM), and the specific surface area and pore volume were measured by N2 adsorption-desorption analysis. The results show that heat treatment temperature and soaking time both have an influence on the morphology. MgAl2O4 prepared has a petal-like morphology with a length of 140-160 nm when the heat treatment temperature and time are 900 ℃ and 8 h. The specific surface area of the prepared MgAl2O4 is 76 m2/g. Based on the results by TEM and N2 adsorption-desorption analysis, the petal-like MgAl2O4 exhibits a mesoporous structure. This work paves a promising approach to prepare mesoporous petal-like MgAl2O4.

, authors=Qian WU1, Guo FENG1, Sanhai WANG2, Feng JIANG2, Lifeng MIAO1, Weihui JIANG1, 2, authorsList=Qian WU, Guo FENG, Sanhai WANG, Feng JIANG, Lifeng MIAO, Weihui JIANG, authorCompany=null, correspAuthors=Weihui JIANG, authorNote=

WU Qian (1987-), female, Doctoral candidate. E-mail:

, correspAuthorsNote=
JIANG Weihui (1965-), male, Ph.D., Professor. E-mail:
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在催化剂载体和吸附等领域,具有介孔结构的片状镁铝尖晶石因比表面积大、活性位点丰富、不易团聚等特性,受到越来越多的关注。以铝丝为铝源、镁粉为镁源、无水乙醇为溶剂,Na2MoO4为熔盐,采用熔盐辅助非水解溶胶-凝胶法制备多孔片状镁铝尖晶石。借助X射线衍射仪、场发射扫描电子显微镜等测试手段研究了热处理温度及保温时间对镁铝尖晶石合成与形貌的影响,运用透射电子显微镜(TEM)观察片状晶体的微观结构,采用氮气吸附脱附测试对样品的比表面积和孔径进行了表征。结果表明:热处理温度和保温时间均对镁铝尖晶石形貌有较大影响。优选热处理温度为900 ℃,保温时间为8 h,可制备出具有介孔结构的片状镁铝尖晶石,片的长度为140~160 nm。所制得样品的比表面积为76 m2/g。TEM和氮气吸附脱附曲线测试结果表明,样品存在明显的介孔结构。为制备多孔片状镁铝尖晶石提供了一种新思路。

, authors=吴倩1, 冯果1, 王三海2, 江峰2, 苗立锋1, 江伟辉1, 2, authorsList=吴倩, 冯果, 王三海, 江峰, 苗立锋, 江伟辉, authorCompany=null, correspAuthors=江伟辉, authorNote=

吴倩(1987—),女,博士研究生。

, correspAuthorsNote=
江伟辉(1965—),男,博士,教授。
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吴倩 1 , 冯果 1 , 王三海 2 , 江峰 2 , 苗立锋 1 , 江伟辉 1, 2
硅酸盐学报 | 研究论文 2023,51(1): 163-170
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硅酸盐学报 |研究论文 2023 , 51 (1) : 163 -170
多孔片状镁铝尖晶石的制备
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吴倩1 , 冯果1, 王三海2, 江峰2, 苗立锋1, 江伟辉1, 2
作者信息
  • 1.国家日用及建筑陶瓷工程技术研究中心,江西 景德镇 333001
  • 2.景德镇陶瓷大学材料科学与工程学院,江西 景德镇 333403
通讯作者:
江伟辉(1965—),男,博士,教授。
作者简介:

吴倩(1987—),女,博士研究生。

Preparation of Mesoporous Petal-like MgAl2O4
Qian WU1 , Guo FENG1, Sanhai WANG2, Feng JIANG2, Lifeng MIAO1, Weihui JIANG1, 2
Affiliations
  • 1.National Engineering Research Center for Domestic and Building Ceramics, Jingdezhen 333001, Jiangxi, China
  • 2.School of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China
  • Corresponding Author:
    JIANG Weihui (1965-), male, Ph.D., Professor. E-mail:

    WU Qian (1987-), female, Doctoral candidate. E-mail:

出版时间: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220646
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在催化剂载体和吸附等领域,具有介孔结构的片状镁铝尖晶石因比表面积大、活性位点丰富、不易团聚等特性,受到越来越多的关注。以铝丝为铝源、镁粉为镁源、无水乙醇为溶剂,Na2MoO4为熔盐,采用熔盐辅助非水解溶胶-凝胶法制备多孔片状镁铝尖晶石。借助X射线衍射仪、场发射扫描电子显微镜等测试手段研究了热处理温度及保温时间对镁铝尖晶石合成与形貌的影响,运用透射电子显微镜(TEM)观察片状晶体的微观结构,采用氮气吸附脱附测试对样品的比表面积和孔径进行了表征。结果表明:热处理温度和保温时间均对镁铝尖晶石形貌有较大影响。优选热处理温度为900 ℃,保温时间为8 h,可制备出具有介孔结构的片状镁铝尖晶石,片的长度为140~160 nm。所制得样品的比表面积为76 m2/g。TEM和氮气吸附脱附曲线测试结果表明,样品存在明显的介孔结构。为制备多孔片状镁铝尖晶石提供了一种新思路。

镁铝尖晶石  /  介孔  /  熔盐法  /  非水解溶胶-凝胶法

In the field of catalyst support and adsorption, mesoporous petal-like MgAl2O4 has attracted much attention because of their large surface area, abundant and accessible catalytic sites and not easy to aggregate. Mesoporous petal-like MgAl2O4 was prepared by a molten salt assisted non-hydrolytic sol-gel method with aluminum wire as aluminum source, magnesium powder as magnesium source, absolute ethyl alcohol as a solvent and Na2MoO4 as a molten salt, respectively. The effects of heat treatment temperature and soaking time on the phase composition and morphology of petal-like MgAl2O4 were investigated by X-ray diffraction and field emission scanning electron microscopy. The microstructure of the petal-like MgAl2O4 was determined by transmission electron microscopy (TEM), and the specific surface area and pore volume were measured by N2 adsorption-desorption analysis. The results show that heat treatment temperature and soaking time both have an influence on the morphology. MgAl2O4 prepared has a petal-like morphology with a length of 140-160 nm when the heat treatment temperature and time are 900 ℃ and 8 h. The specific surface area of the prepared MgAl2O4 is 76 m2/g. Based on the results by TEM and N2 adsorption-desorption analysis, the petal-like MgAl2O4 exhibits a mesoporous structure. This work paves a promising approach to prepare mesoporous petal-like MgAl2O4.

magnesium aluminum spinel  /  mesoporous  /  molten salt  /  non-hydrolytic sol-gel method
吴倩, 冯果, 王三海, 江峰, 苗立锋, 江伟辉. 多孔片状镁铝尖晶石的制备. 硅酸盐学报, 2023 , 51 (1) : 163 -170 . DOI: 10.14062/j.issn.0454-5648.20220646
Qian WU, Guo FENG, Sanhai WANG, Feng JIANG, Lifeng MIAO, Weihui JIANG. Preparation of Mesoporous Petal-like MgAl2O4[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 163 -170 . DOI: 10.14062/j.issn.0454-5648.20220646
  • 国家自然科学基金(52072162; 51962014)
  • 江西省重点研究计划项目(20192BBEL50022)
  • 江西省青年基金重点项目(20202ACBL214006)
  • 景德镇陶瓷重大专项项目(2021ZDGG001)
  • 江西省教育厅项目(GJJ211315)
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doi: 10.14062/j.issn.0454-5648.20220646
  • 接收时间:2022-08-08
  • 首发时间:2026-10-20
  • 出版时间:2023-01-20
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  • 收稿日期:2022-08-08
  • 修回日期:2022-09-08
基金
国家自然科学基金(52072162; 51962014)
江西省重点研究计划项目(20192BBEL50022)
江西省青年基金重点项目(20202ACBL214006)
景德镇陶瓷重大专项项目(2021ZDGG001)
江西省教育厅项目(GJJ211315)
作者信息
    1.国家日用及建筑陶瓷工程技术研究中心,江西 景德镇 333001
    2.景德镇陶瓷大学材料科学与工程学院,江西 景德镇 333403

通讯作者:

江伟辉(1965—),男,博士,教授。
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
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