Exfoliation-restacking route to Au nanoparticle-clay nanohybrids

Seung Min Paek; Jae Up Jang; Seong Ju Hwang; Jin Ho Choy

doi:10.1016/j.jpcs.2006.01.021

Exfoliation-restacking route to Au nanoparticle-clay nanohybrids

Seung Min Paek, Jae Up Jang, Seong Ju Hwang, Jin Ho Choy

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

A novel gold-pillared aluminosilicate (Au-PILC) were synthesized with positively charged gold nanoparticles capped by mercaptoammonium and exfoliated silicate layers. Gold nanoparticles were synthesized by NaBH₄ reduction of AuCl₄^- in the presence of N,N,N-Trimethyl (11-mercaptoundecyl)ammonium (HS(CH₂)₁₁NMe₃⁺) protecting ligand in an aqueous solution, and purified by dialysis. The resulting positively charged and water-soluble gold nanoparticles were hybridized with exfoliated silicate sheets by electrostatic interaction. The formation of Au-clay hybrids could be easily confirmed by the powder X-ray diffraction with the increased basal spacing of clay upon insertion of Au nanoparticles. TEM image clearly revealed that the Au particles with an average size of 4 nm maintain their structure even after intercalation. The Au nanoparticles supported by clay matrix were found to be thermally more stable, suggesting that the Au nanoparticles were homogeneously protected with clay nanoplates. The present synthetic route could be further applicable to various hybrid systems between metal nanoparticles and clays.

Original language	English
Pages (from-to)	1020-1023
Number of pages	4
Journal	Journal of Physics and Chemistry of Solids
Volume	67
Issue number	5-6
DOIs	https://doi.org/10.1016/j.jpcs.2006.01.021
Publication status	Published - 2006 May

Bibliographical note

Funding Information:
This work was supported by the SRC program of the Korea Science and Engineering Foundation (KOSEF) through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (grant: R11-2005-008-01001-0). The authors are grateful for the financial support to participate in the international conference by the Science and Technology Amicable Research (STAR) Program of the Ministry of Science and Technology. Authors also thank to the Ministry of Education for the Brain Korea 21 (BK21) fellowship.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

Access to Document

10.1016/j.jpcs.2006.01.021

Cite this

@article{505766ec883d4838a1b347500183f112,

title = "Exfoliation-restacking route to Au nanoparticle-clay nanohybrids",

abstract = "A novel gold-pillared aluminosilicate (Au-PILC) were synthesized with positively charged gold nanoparticles capped by mercaptoammonium and exfoliated silicate layers. Gold nanoparticles were synthesized by NaBH4 reduction of AuCl4- in the presence of N,N,N-Trimethyl (11-mercaptoundecyl)ammonium (HS(CH2)11NMe3+) protecting ligand in an aqueous solution, and purified by dialysis. The resulting positively charged and water-soluble gold nanoparticles were hybridized with exfoliated silicate sheets by electrostatic interaction. The formation of Au-clay hybrids could be easily confirmed by the powder X-ray diffraction with the increased basal spacing of clay upon insertion of Au nanoparticles. TEM image clearly revealed that the Au particles with an average size of 4 nm maintain their structure even after intercalation. The Au nanoparticles supported by clay matrix were found to be thermally more stable, suggesting that the Au nanoparticles were homogeneously protected with clay nanoplates. The present synthetic route could be further applicable to various hybrid systems between metal nanoparticles and clays.",

author = "Paek, {Seung Min} and Jang, {Jae Up} and Hwang, {Seong Ju} and Choy, {Jin Ho}",

note = "Funding Information: This work was supported by the SRC program of the Korea Science and Engineering Foundation (KOSEF) through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (grant: R11-2005-008-01001-0). The authors are grateful for the financial support to participate in the international conference by the Science and Technology Amicable Research (STAR) Program of the Ministry of Science and Technology. Authors also thank to the Ministry of Education for the Brain Korea 21 (BK21) fellowship.",

year = "2006",

month = may,

doi = "10.1016/j.jpcs.2006.01.021",

language = "English",

volume = "67",

pages = "1020--1023",

journal = "Journal of Physics and Chemistry of Solids",

issn = "0022-3697",

publisher = "Elsevier Limited",

number = "5-6",

}

TY - JOUR

T1 - Exfoliation-restacking route to Au nanoparticle-clay nanohybrids

AU - Paek, Seung Min

AU - Jang, Jae Up

AU - Hwang, Seong Ju

AU - Choy, Jin Ho

N1 - Funding Information: This work was supported by the SRC program of the Korea Science and Engineering Foundation (KOSEF) through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (grant: R11-2005-008-01001-0). The authors are grateful for the financial support to participate in the international conference by the Science and Technology Amicable Research (STAR) Program of the Ministry of Science and Technology. Authors also thank to the Ministry of Education for the Brain Korea 21 (BK21) fellowship.

PY - 2006/5

Y1 - 2006/5

N2 - A novel gold-pillared aluminosilicate (Au-PILC) were synthesized with positively charged gold nanoparticles capped by mercaptoammonium and exfoliated silicate layers. Gold nanoparticles were synthesized by NaBH4 reduction of AuCl4- in the presence of N,N,N-Trimethyl (11-mercaptoundecyl)ammonium (HS(CH2)11NMe3+) protecting ligand in an aqueous solution, and purified by dialysis. The resulting positively charged and water-soluble gold nanoparticles were hybridized with exfoliated silicate sheets by electrostatic interaction. The formation of Au-clay hybrids could be easily confirmed by the powder X-ray diffraction with the increased basal spacing of clay upon insertion of Au nanoparticles. TEM image clearly revealed that the Au particles with an average size of 4 nm maintain their structure even after intercalation. The Au nanoparticles supported by clay matrix were found to be thermally more stable, suggesting that the Au nanoparticles were homogeneously protected with clay nanoplates. The present synthetic route could be further applicable to various hybrid systems between metal nanoparticles and clays.

AB - A novel gold-pillared aluminosilicate (Au-PILC) were synthesized with positively charged gold nanoparticles capped by mercaptoammonium and exfoliated silicate layers. Gold nanoparticles were synthesized by NaBH4 reduction of AuCl4- in the presence of N,N,N-Trimethyl (11-mercaptoundecyl)ammonium (HS(CH2)11NMe3+) protecting ligand in an aqueous solution, and purified by dialysis. The resulting positively charged and water-soluble gold nanoparticles were hybridized with exfoliated silicate sheets by electrostatic interaction. The formation of Au-clay hybrids could be easily confirmed by the powder X-ray diffraction with the increased basal spacing of clay upon insertion of Au nanoparticles. TEM image clearly revealed that the Au particles with an average size of 4 nm maintain their structure even after intercalation. The Au nanoparticles supported by clay matrix were found to be thermally more stable, suggesting that the Au nanoparticles were homogeneously protected with clay nanoplates. The present synthetic route could be further applicable to various hybrid systems between metal nanoparticles and clays.

UR - http://www.scopus.com/inward/record.url?scp=33744942147&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33744942147&partnerID=8YFLogxK

U2 - 10.1016/j.jpcs.2006.01.021

DO - 10.1016/j.jpcs.2006.01.021

M3 - Article

AN - SCOPUS:33744942147

SN - 0022-3697

VL - 67

SP - 1020

EP - 1023

JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

IS - 5-6

ER -

Exfoliation-restacking route to Au nanoparticle-clay nanohybrids

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this