Self-assembly preparation of SiO2@Ni-Al layered double hydroxide composites and their enhanced electrorheological characteristics
The core-shell structured SiO 2 @Ni-Al layered double hydroxide (LDH) composites were prepared via self-assembly of Ni-Al LDH on the surface of SiO 2 spheres. Only coating a layer of ultrathin Ni-Al LDH sheet, the resulting SiO 2 @Ni-Al LDH composites exhibit significantly enhanced electrorheologica...
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| Veröffentlicht in: | Scientific reports 2015-12, Vol.5 (1), p.18367-18367, Article 18367 |
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| creator | Ji, Xuqiang Zhang, Wenling Shan, Lei Tian, Yu Liu, Jingquan |
| description | The core-shell structured SiO
2
@Ni-Al layered double hydroxide (LDH) composites were prepared via self-assembly of Ni-Al LDH on the surface of SiO
2
spheres. Only coating a layer of ultrathin Ni-Al LDH sheet, the resulting SiO
2
@Ni-Al LDH composites exhibit significantly enhanced electrorheological (ER) characteristics compared to conventional bare SiO
2
spheres. The monodispersed SiO
2
spheres with average diameters of 260 nm were synthesized by the hydrolysis of tetraethyl orthosilicate (TEOS), while the shell part, Ni-Al LDH sheet was prepared by the hydrothermal procedure. The morphology of the samples was investigated via scanning transmission electron microscopy (STEM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The structure of the samples was characterized by X-ray diffraction (XRD). The species and distribution of elements in samples were confirmed by X-ray photoelectron spectroscopy (XPS), Energy dispersive analysis of X-ray (EDX) and elemental mapping in STEM. Subsequently, the ER characteristics of the composites dispersed in insulating oil were characterized by a rotational rheometer. The electric field-stimulated rheological performances (yield stress, viscosity, modulus, etc.) were observed under an external electric field, which is different from the Newtonian state in the free electric field. |
| doi_str_mv | 10.1038/srep18367 |
| format | Article |
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2
@Ni-Al layered double hydroxide (LDH) composites were prepared via self-assembly of Ni-Al LDH on the surface of SiO
2
spheres. Only coating a layer of ultrathin Ni-Al LDH sheet, the resulting SiO
2
@Ni-Al LDH composites exhibit significantly enhanced electrorheological (ER) characteristics compared to conventional bare SiO
2
spheres. The monodispersed SiO
2
spheres with average diameters of 260 nm were synthesized by the hydrolysis of tetraethyl orthosilicate (TEOS), while the shell part, Ni-Al LDH sheet was prepared by the hydrothermal procedure. The morphology of the samples was investigated via scanning transmission electron microscopy (STEM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The structure of the samples was characterized by X-ray diffraction (XRD). The species and distribution of elements in samples were confirmed by X-ray photoelectron spectroscopy (XPS), Energy dispersive analysis of X-ray (EDX) and elemental mapping in STEM. Subsequently, the ER characteristics of the composites dispersed in insulating oil were characterized by a rotational rheometer. The electric field-stimulated rheological performances (yield stress, viscosity, modulus, etc.) were observed under an external electric field, which is different from the Newtonian state in the free electric field.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/srep18367</identifier><identifier>PMID: 26670467</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>140/146 ; 639/301/923 ; 639/925/357 ; Electric fields ; Humanities and Social Sciences ; Hydrolysis ; Mapping ; multidisciplinary ; Photoelectron spectroscopy ; Scanning electron microscopy ; Science ; Self-assembly ; Spectroscopy ; Transmission electron microscopy ; Viscosity ; X-ray diffraction ; X-rays</subject><ispartof>Scientific reports, 2015-12, Vol.5 (1), p.18367-18367, Article 18367</ispartof><rights>The Author(s) 2015</rights><rights>Copyright Nature Publishing Group Dec 2015</rights><rights>Copyright © 2015, Macmillan Publishers Limited 2015 Macmillan Publishers Limited</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-24a15df11d68585c3d5eccbae38609e56421ae11ddb58671847aae5c9011b4d43</citedby><cites>FETCH-LOGICAL-c438t-24a15df11d68585c3d5eccbae38609e56421ae11ddb58671847aae5c9011b4d43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4680938/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4680938/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,725,778,782,862,883,27911,27912,41107,42176,51563,53778,53780</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26670467$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ji, Xuqiang</creatorcontrib><creatorcontrib>Zhang, Wenling</creatorcontrib><creatorcontrib>Shan, Lei</creatorcontrib><creatorcontrib>Tian, Yu</creatorcontrib><creatorcontrib>Liu, Jingquan</creatorcontrib><title>Self-assembly preparation of SiO2@Ni-Al layered double hydroxide composites and their enhanced electrorheological characteristics</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>The core-shell structured SiO
2
@Ni-Al layered double hydroxide (LDH) composites were prepared via self-assembly of Ni-Al LDH on the surface of SiO
2
spheres. Only coating a layer of ultrathin Ni-Al LDH sheet, the resulting SiO
2
@Ni-Al LDH composites exhibit significantly enhanced electrorheological (ER) characteristics compared to conventional bare SiO
2
spheres. The monodispersed SiO
2
spheres with average diameters of 260 nm were synthesized by the hydrolysis of tetraethyl orthosilicate (TEOS), while the shell part, Ni-Al LDH sheet was prepared by the hydrothermal procedure. The morphology of the samples was investigated via scanning transmission electron microscopy (STEM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The structure of the samples was characterized by X-ray diffraction (XRD). The species and distribution of elements in samples were confirmed by X-ray photoelectron spectroscopy (XPS), Energy dispersive analysis of X-ray (EDX) and elemental mapping in STEM. Subsequently, the ER characteristics of the composites dispersed in insulating oil were characterized by a rotational rheometer. The electric field-stimulated rheological performances (yield stress, viscosity, modulus, etc.) were observed under an external electric field, which is different from the Newtonian state in the free electric field.</description><subject>140/146</subject><subject>639/301/923</subject><subject>639/925/357</subject><subject>Electric fields</subject><subject>Humanities and Social Sciences</subject><subject>Hydrolysis</subject><subject>Mapping</subject><subject>multidisciplinary</subject><subject>Photoelectron spectroscopy</subject><subject>Scanning electron microscopy</subject><subject>Science</subject><subject>Self-assembly</subject><subject>Spectroscopy</subject><subject>Transmission electron microscopy</subject><subject>Viscosity</subject><subject>X-ray diffraction</subject><subject>X-rays</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplkU1rFTEUhoNYbGm78A9IwI0KU5NMJpPZSEvxo1DsoroOmeTMnZRMMiYz4l36z43cerlqNgm8D8854UXoOSUXlNTybU4wU1mL9gk6YYQ3FasZe3rwPkbnOT-QchrWcdo9Q8dMiJZw0Z6gn_fgh0rnDFPvt3guMp304mLAccD37o5dfnbVlcdebyGBxTauvQc8bm2KP5wFbOI0x-wWyFgHi5cRXMIQRh1MwcGDWVJMI0QfN85oj81YJpgFksuLM_kMHQ3aZzh_vE_R1w_vv1x_qm7vPt5cX91WhtdyqRjXtLEDpVbIRjamtg0Y02uopSAdNIIzqqHEtm-kaKnkrdbQmI5Q2nPL61P0bued134CayAsSXs1JzfptFVRO_V3EtyoNvG74kKSrpZF8OpRkOK3FfKiJpcNeK8DxDUr2vKu6xglrKAv_0Ef4ppC-Z6iklBRbEwU6vWOMinmUuOwX4YS9btbte-2sC8Ot9-Tf5oswJsdkEsUNpAORv5n-wUWjrDB</recordid><startdate>20151216</startdate><enddate>20151216</enddate><creator>Ji, Xuqiang</creator><creator>Zhang, Wenling</creator><creator>Shan, Lei</creator><creator>Tian, Yu</creator><creator>Liu, Jingquan</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20151216</creationdate><title>Self-assembly preparation of SiO2@Ni-Al layered double hydroxide composites and their enhanced electrorheological characteristics</title><author>Ji, Xuqiang ; Zhang, Wenling ; Shan, Lei ; Tian, Yu ; Liu, Jingquan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-24a15df11d68585c3d5eccbae38609e56421ae11ddb58671847aae5c9011b4d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>140/146</topic><topic>639/301/923</topic><topic>639/925/357</topic><topic>Electric fields</topic><topic>Humanities and Social Sciences</topic><topic>Hydrolysis</topic><topic>Mapping</topic><topic>multidisciplinary</topic><topic>Photoelectron spectroscopy</topic><topic>Scanning electron microscopy</topic><topic>Science</topic><topic>Self-assembly</topic><topic>Spectroscopy</topic><topic>Transmission electron microscopy</topic><topic>Viscosity</topic><topic>X-ray diffraction</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ji, Xuqiang</creatorcontrib><creatorcontrib>Zhang, Wenling</creatorcontrib><creatorcontrib>Shan, Lei</creatorcontrib><creatorcontrib>Tian, Yu</creatorcontrib><creatorcontrib>Liu, Jingquan</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ji, Xuqiang</au><au>Zhang, Wenling</au><au>Shan, Lei</au><au>Tian, Yu</au><au>Liu, Jingquan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self-assembly preparation of SiO2@Ni-Al layered double hydroxide composites and their enhanced electrorheological characteristics</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2015-12-16</date><risdate>2015</risdate><volume>5</volume><issue>1</issue><spage>18367</spage><epage>18367</epage><pages>18367-18367</pages><artnum>18367</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>The core-shell structured SiO
2
@Ni-Al layered double hydroxide (LDH) composites were prepared via self-assembly of Ni-Al LDH on the surface of SiO
2
spheres. Only coating a layer of ultrathin Ni-Al LDH sheet, the resulting SiO
2
@Ni-Al LDH composites exhibit significantly enhanced electrorheological (ER) characteristics compared to conventional bare SiO
2
spheres. The monodispersed SiO
2
spheres with average diameters of 260 nm were synthesized by the hydrolysis of tetraethyl orthosilicate (TEOS), while the shell part, Ni-Al LDH sheet was prepared by the hydrothermal procedure. The morphology of the samples was investigated via scanning transmission electron microscopy (STEM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The structure of the samples was characterized by X-ray diffraction (XRD). The species and distribution of elements in samples were confirmed by X-ray photoelectron spectroscopy (XPS), Energy dispersive analysis of X-ray (EDX) and elemental mapping in STEM. Subsequently, the ER characteristics of the composites dispersed in insulating oil were characterized by a rotational rheometer. The electric field-stimulated rheological performances (yield stress, viscosity, modulus, etc.) were observed under an external electric field, which is different from the Newtonian state in the free electric field.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>26670467</pmid><doi>10.1038/srep18367</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 140/146 639/301/923 639/925/357 Electric fields Humanities and Social Sciences Hydrolysis Mapping multidisciplinary Photoelectron spectroscopy Scanning electron microscopy Science Self-assembly Spectroscopy Transmission electron microscopy Viscosity X-ray diffraction X-rays |
| title | Self-assembly preparation of SiO2@Ni-Al layered double hydroxide composites and their enhanced electrorheological characteristics |
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