Dilution does the trick: role of mixed solvent evaporation in controlling nanoparticle self-assembly

TitleDilution does the trick: role of mixed solvent evaporation in controlling nanoparticle self-assembly
Publication TypeJournal Article
Year of Publication2014
AuthorsSahu, P, Prasad, BLV
JournalColloids and Surfaces A-Physicochemical and Engineering Aspects
Volume447
Pagination142-147
Date PublishedAPR
Type of ArticleArticle
ISSN0927-7757
KeywordsEvaporation rate, gold nanoparticles, Nucleation, Self-assembly
Abstract

An easy and convenient way to prepare superlattices of amine capped gold nanoparticles is presented. It is clearly established that solvent evaporation significantly influences the nature of resulting superlattices and critically governs whether monolayer or multilayer superlattices are formed. More specifically, it is demonstrated that dilution of the nanoparticle dispersion with a similar solvent (but with different vapour pressure) is an expedient handle to control the nature of self-assembly. (C) 2014 Elsevier B.V. All rights reserved.

DOI10.1016/j.colsurfa.2014.01.070
Type of Journal (Indian or Foreign)

Foreign

Impact Factor (IF)

2.760

Divison category: 
Physical and Materials Chemistry