Aerosol self-assembly of nanoparticle films: Growth dynamics and resulting 3D structure

Nasiri, N; Tobias, DE; Qin, Q; Tricoli, A

Aerosol self-assembly of nanoparticle films: Growth dynamics and resulting 3D structure

Nasiri, N

Tobias, DE Qin, Q Tricoli, A

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Publication Type:: Conference Proceeding
Citation:: Proceedings of SPIE - The International Society for Optical Engineering, 2013, 8793
Issue Date:: 2013-09-17

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Field	Value	Language
dc.contributor.author	Nasiri, N https://orcid.org/0000-0003-4738-098X	en_US
dc.contributor.author	Tobias, DE	en_US
dc.contributor.author	Qin, Q	en_US
dc.contributor.author	Tricoli, A	en_US
dc.date.issued	2013-09-17	en_US
dc.identifier.citation	Proceedings of SPIE - The International Society for Optical Engineering, 2013, 8793	en_US
dc.identifier.isbn	9780819496300	en_US
dc.identifier.issn	0277-786X	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119865
dc.description.abstract	In this study, aerosol deposition of nanoparticles on flat surfaces has been investigated by Langevin dynamics (LD) accounting for Brownian's diffusion and a fix translational velocity. The particles are assumed to drop one at a time and had a monodisperse size distribution. The detailed morphology of the nanoparticle films was investigated as a function of Pe number, the ratio between Brownian and translational displacement for different structural constrains. The porosity was reduced with increasing Pe number from the diffusion to ballistic deposition limit. It was found that the simulation constrains have a substantial impact on the resulting film structural properties. This was attributed to the multi-scale porosity of these aerosol-deposited films. Keyword: Deposition, Nanoparticle, Porosity, Aerosol, Self-Assembly, Nanoparticles, Sensors. © 2013 SPIE.	en_US
dc.relation.ispartof	Proceedings of SPIE - The International Society for Optical Engineering	en_US
dc.relation.isbasedon	10.1117/12.2029520	en_US
dc.title	Aerosol self-assembly of nanoparticle films: Growth dynamics and resulting 3D structure	en_US
dc.type	Conference Proceeding
utslib.citation.volume	8793	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	1007 Nanotechnology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US
pubs.volume	8793	en_US

Abstract:

In this study, aerosol deposition of nanoparticles on flat surfaces has been investigated by Langevin dynamics (LD) accounting for Brownian's diffusion and a fix translational velocity. The particles are assumed to drop one at a time and had a monodisperse size distribution. The detailed morphology of the nanoparticle films was investigated as a function of Pe number, the ratio between Brownian and translational displacement for different structural constrains. The porosity was reduced with increasing Pe number from the diffusion to ballistic deposition limit. It was found that the simulation constrains have a substantial impact on the resulting film structural properties. This was attributed to the multi-scale porosity of these aerosol-deposited films. Keyword: Deposition, Nanoparticle, Porosity, Aerosol, Self-Assembly, Nanoparticles, Sensors. © 2013 SPIE.

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http://hdl.handle.net/10453/119865