Hydrophobic Interactions Modulate Self-Assembly of Nanoparticles

详细信息    查看全文

• 作者：Ana S谩nchez-Iglesias ; Marek Grzelczak ; Thomas Altantzis ; Bart Goris ; Jorge P茅rez-Juste ; Sara Bals ; Gustaaf Van Tendeloo ; Stephen H. Donaldson ; Jr. ; Bradley F. Chmelka ; Jacob N. Israelachvili ; Luis M. Liz-Marz谩n
• 刊名：ACS Nano
• 出版年：2012
• 出版时间：December 21, 2012
• 年：2012
• 卷：6
• 期：12
• 页码：11059-11065
• 全文大小：394K
• 年卷期：v.6,no.12(December 21, 2012)
• ISSN：1936-086X

文摘

Hydrophobic interactions constitute one of the most important types of nonspecific interactions in biological systems, which emerge when water molecules rearrange as two hydrophobic species come close to each other. The prediction of hydrophobic interactions at the level of nanoparticles (Brownian objects) remains challenging because of uncontrolled diffusive motion of the particles. We describe here a general methodology for solvent-induced, reversible self-assembly of gold nanoparticles into 3D clusters with well-controlled sizes. A theoretical description of the process confirmed that hydrophobic interactions are the main driving force behind nanoparticle aggregation.

Keywords:

cs.org/action/doSearch?action=search&searchText=hydrophobic+interactions&qsSearchArea=searchText">hydrophobic interactions; cs.org/action/doSearch?action=search&searchText=self%5C-assembly&qsSearchArea=searchText">self-assembly; cs.org/action/doSearch?action=search&searchText=nanoparticle+clusters&qsSearchArea=searchText">nanoparticle clusters; cs.org/action/doSearch?action=search&searchText=gold+nanoparticles&qsSearchArea=searchText">gold nanoparticles