Document Detail


Assembled Monolayers of Hydrophilic Particles on Water Surfaces.
MedLine Citation:
PMID:  21962177     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A facile and quick approach to prepare self-assembled monolayers of water-dispersible particles on water surface was presented. Particle suspensions in alcohols were dropped on a water reservoir to form long-range ordered monolayers of various particles, including spherical solid particles, soft hydrogel particles, metal nanoparticles, quantum dots, nanowires, single-wall carbon nanotubes (SWCNTs), nanoplates, and nanosheets. A systematic study was conducted on the variables affecting the monolayer assembly: the solubility parameter of spreading solvents, particle concentration, zeta potential of the particles in the suspension, surface tension of the water phase, hardness of the particles, and addition of a salt in the suspension. This method requires no hydrophobic surface treatment of the particles, which is useful to exploit these monolayer films without changing the native properties of the particles. The study highlights a quick 2D colloidal assembly without cracks in wafer scale as well as transparent conductive thin films made of SWCNTs and graphenes.
Authors:
Geon Dae Moon; Tae Il Lee; Bongsoo Kim; Geesung Chae; Jinook Kim; Sunghee Kim; Jae Min Myoung; Unyong Jeong
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-3
Journal Detail:
Title:  ACS nano     Volume:  -     ISSN:  1936-086X     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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