详细信息

以甲酸溶液为介质的磁性介孔硅纳米材料的制备及其吸附性能    

Preparation of the Magnetic Mesoporous Silica Nanomaterials with Formic Acid Solution as the Medium and Its Adsorption Properties

文献类型:期刊文献

中文题名:以甲酸溶液为介质的磁性介孔硅纳米材料的制备及其吸附性能

英文题名:Preparation of the Magnetic Mesoporous Silica Nanomaterials with Formic Acid Solution as the Medium and Its Adsorption Properties

作者:付华[1,2];胡静[1];章弘扬[1];王月荣[1];张敏[3];胡坪[1]

机构:[1]华东理工大学化学与分子工程学院,上海市功能性材料化学重点实验室,上海200237;[2]青海大学化工学院,西宁810016;[3]华东理工大学药学院,上海市新药设计重点实验室,上海200237

年份:2017

卷号:43

期号:2

起止页码:207

中文期刊名:华东理工大学学报(自然科学版)

外文期刊名:Journal of East China University of Science and Technology

收录:CSTPCD;;Scopus;北大核心:【北大核心2014】;CSCD:【CSCD_E2017_2018】;

基金:国家自然科学基金(81273481,81202493);澳门科技大学开放基金(MUST-SKL-2016-06);青海省科技厅自然基金(2016-ZJ-734)

语种:中文

中文关键词:磁性介孔硅纳米材料;甲酸;吸附性能;制备

外文关键词:m ag n e t ic m e so p o ro u s silica nano ma te r ia l; fo rmic a c id; ad so rp t io n c a p a c i ty; p rep a ra t io n

摘要:以甲酸溶液为介质,采用溶剂热法、改良的Stober法,用聚乙烯-聚乳酸共聚物做模板剂制备磁性介孔硅纳米材料,通过X射线衍射(XRD)、扫描电镜(SEM)、透射电镜(TEM)、综合物性测量系统(PPMS)、比表面积及孔径分布测量仪等分析测试手段对所得磁性介孔硅纳米材料进行表征,并研究了其吸附性能。结果显示,以0.2mol/L甲酸溶液为介质制备的磁性介孔材料孔径为8.2nm、比表面积为258m2/g、孔体积为0.32cm3/g,饱和磁化强度达53A·m2/kg。这种磁性介孔硅纳米材料对牛血清蛋白、中性红、亚甲基蓝等物质有良好的吸附能力,其饱和吸附量分别达到53.6、24.1、66.8mg/g,表明制备的磁性介孔硅纳米材料在复杂环境样品的分离和富集方面具有一定的应用前景。
A n ew mag n e t ic me so p o ro u s silica nano ma te r ia l was sy n th e s iz ed by usin g imp ro v ed S to b e r and solvothermal methods wi th formic acid solut ion as acidic medium and PEG-PLA as template. X-ray dif fract ion (XRD),field emission scanning electron microscopy ( FE-SEM),t ransmiss ion electron microscopy (TEM),physical proper ty measurement sys tem (PPMS),and specific surface area and pore size dist r ibut ion measur ing inst rument were applied to character ize this mater ial . The resul ts showed that the magnet ic mesoporous silica nano mater ial which was synthes ized in 0. 2 mol /L formic acid solut ion had 8. 2 nm of pore cavi t ies,258 m2/g 〇 f su rface a r e a ,0 . 32 cm3/ g 〇 f pore volume an d 53 A ? m 2/k g of s a tu ra t io n magnet izat ion. This magnet ic mesoporous silica nano mater ial had favorable adsorpt ion capacity of bovine serumalbumin, toluylene red and methylene blue wi th 53. 6,24. 1,66. 8 mg/g respect ively,which indicatedi t had cer tain applicat ion prospect in the separat ion and enr ichment complex aspects of environmental samples.

参考文献:

正在载入数据...

版权所有©华东理工大学 重庆维普资讯有限公司 渝B2-20050021-7 
渝公网安备 50019002500408号 违法和不良信息举报中心