Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface

Vaknin, David; Wang, Wenjie; Islam, Farhan; Zhang, Honghu

doi:10.1002/admi.201701149

Title: Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface

Abstract

Abstract It is shown that magnetite nanoparticles (MagNPs) grafted with polyethylene glycol (PEG) self‐assemble and short‐range‐order as 2D films at surfaces of aqueous suspensions by manipulating salt concentrations. Synchrotron X‐ray reflectivity and grazing‐incidence small angle X‐ray scattering studies reveal that K ₂ CO ₃ induces the migration of the PEG‐MagNPs to the liquid/vapor interface to form a Gibbs layer of monoparticle in thickness. As the salt concentration and/or nanoparticle concentration increase, the surface‐adsorbed nanoparticles become more organized. And further increase in salt concentration leads to the growth of an additional incomplete nanoparticle layer contiguous to the first one at the vapor/liquid interface that remains intact.

Authors:

^[1]; Wang, Wenjie ^[2]; Islam, Farhan ^[1]; Zhang, Honghu ^[3]

Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
Ames Lab., Ames, IA (United States). Division of Materials Sciences and Engineering
Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Materials Science and Engineering

Publication Date:: Fri Mar 23 00:00:00 EDT 2018

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE

OSTI Identifier:: 1433669

Alternate Identifier(s):: OSTI ID: 1417716

Report Number(s):: IS-J-9629
Journal ID: ISSN 2196-7350

Grant/Contract Number:: AC02-07CH11358; AC02-06CH11357; DE‐AC02‐06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Advanced Materials Interfaces

Additional Journal Information:: Journal Volume: 5; Journal Issue: 6; Journal ID: ISSN 2196-7350

Publisher:: Wiley-VCH

Country of Publication:: United States

Language:: English

Subject:: 77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE; PEG‐functionalized nanoparticles; grazing‐incidence X‐ray diffraction at small angles (GISAXS); magnetitite nanoparticles; nanoparticle self‐assembly; X‐ray reflectivity

Citation Formats


                    Vaknin, David, Wang, Wenjie, Islam, Farhan, and Zhang, Honghu. Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface.  United States: N. p., 2018. 
Web.  doi:10.1002/admi.201701149.

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                    Vaknin, David, Wang, Wenjie, Islam, Farhan, & Zhang, Honghu. Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface.  United States.  https://doi.org/10.1002/admi.201701149

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                    Vaknin, David, Wang, Wenjie, Islam, Farhan, and Zhang, Honghu. Fri .  
"Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface".  United States.  https://doi.org/10.1002/admi.201701149.  https://www.osti.gov/servlets/purl/1433669.

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@article{osti_1433669,

  title        = {Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface},

  author       = {Vaknin, David and Wang, Wenjie and Islam, Farhan and Zhang, Honghu},

  abstractNote = {Abstract It is shown that magnetite nanoparticles (MagNPs) grafted with polyethylene glycol (PEG) self‐assemble and short‐range‐order as 2D films at surfaces of aqueous suspensions by manipulating salt concentrations. Synchrotron X‐ray reflectivity and grazing‐incidence small angle X‐ray scattering studies reveal that K 2 CO 3 induces the migration of the PEG‐MagNPs to the liquid/vapor interface to form a Gibbs layer of monoparticle in thickness. As the salt concentration and/or nanoparticle concentration increase, the surface‐adsorbed nanoparticles become more organized. And further increase in salt concentration leads to the growth of an additional incomplete nanoparticle layer contiguous to the first one at the vapor/liquid interface that remains intact.},

  doi          = {10.1002/admi.201701149},

  journal      = {Advanced Materials Interfaces},

  number       = 6,

  volume       = 5,

  place        = {United States},

  year         = {Fri Mar 23 00:00:00 EDT 2018},

  month        = {Fri Mar 23 00:00:00 EDT 2018}

}

Copy to clipboard

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Works referencing / citing this record:

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Title: Polyethylene-Glycol-Mediated Self-Assembly of Magnetite Nanoparticles at the Liquid/Vapor Interface

Abstract

Citation Formats

Structural diversity in binary nanoparticle superlattices journal, January 2006

Langmuir−Schaefer Deposition of Quantum Dot Multilayers journal, June 2010

Diamond family of nanoparticle superlattices journal, February 2016

Kinetically driven self assembly of highly ordered nanoparticle monolayers journal, March 2006

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Magnetic Iron Oxide Nanoparticles: Synthesis, Stabilization, Vectorization, Physicochemical Characterizations, and Biological Applications journal, April 2010

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Structural diversity in binary nanoparticle superlattices
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Langmuir−Schaefer Deposition of Quantum Dot Multilayers
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journal, February 2016

Kinetically driven self assembly of highly ordered nanoparticle monolayers
journal, March 2006

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journal, August 1997

Superparamagnetic Colloids: Controlled Synthesis and Niche Applications
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Solution behavior of copolymers with poly(ethylene oxide) as the “hydrophobic” block
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