Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces

Abstract Superlattices of nanoparticles are generally produced based on solution chemistry processes. In this paper, we demonstrate that self-assembled monolayer structures of nanoparticles with superlattice periodicities can also be produced on template-free surfaces in the gas-phase cluster beam d...

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Autores principales: Chang Liu, Fei Liu, Chen Jin, Sishi Zhang, Lianhua Zhang, Min Han
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Publicado: SpringerOpen 2021
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spelling oai:doaj.org-article:0cdd8eb198d54d8ba3a0f407a431b3602021-12-05T12:23:55ZFormation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces10.1186/s11671-021-03635-71556-276Xhttps://doaj.org/article/0cdd8eb198d54d8ba3a0f407a431b3602021-11-01T00:00:00Zhttps://doi.org/10.1186/s11671-021-03635-7https://doaj.org/toc/1556-276XAbstract Superlattices of nanoparticles are generally produced based on solution chemistry processes. In this paper, we demonstrate that self-assembled monolayer structures of nanoparticles with superlattice periodicities can also be produced on template-free surfaces in the gas-phase cluster beam deposition process. It is found that the packing of Fe nanoparticles corresponds to an average of two-dimensional densely packed lattice with a hexagonal summary. By controlling the nanoparticle coverage, the two-dimensional densely packed monolayer morphology can spread to the whole substrate surface being deposited. A formation mechanism of the ordered monolayers is proposed. The densely packed morphologies are formed by the balance between the diffusion rate of the nanoparticles and their filling speed on the substrate surface determined by the deposition rate, and the ordering of the nanoparticle arrays is driven by the inter-particle attractive interactions. The model is strongly supported by a series of carefully designed cluster deposition experiments.Chang LiuFei LiuChen JinSishi ZhangLianhua ZhangMin HanSpringerOpenarticleOrdered nanocluster monolayerGas-phase cluster depositionSelf-assemblingDensely packedSurface migrationAttractive interactionMaterials of engineering and construction. Mechanics of materialsTA401-492ENNanoscale Research Letters, Vol 16, Iss 1, Pp 1-10 (2021)
institution DOAJ
collection DOAJ
language EN
topic Ordered nanocluster monolayer
Gas-phase cluster deposition
Self-assembling
Densely packed
Surface migration
Attractive interaction
Materials of engineering and construction. Mechanics of materials
TA401-492
spellingShingle Ordered nanocluster monolayer
Gas-phase cluster deposition
Self-assembling
Densely packed
Surface migration
Attractive interaction
Materials of engineering and construction. Mechanics of materials
TA401-492
Chang Liu
Fei Liu
Chen Jin
Sishi Zhang
Lianhua Zhang
Min Han
Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces
description Abstract Superlattices of nanoparticles are generally produced based on solution chemistry processes. In this paper, we demonstrate that self-assembled monolayer structures of nanoparticles with superlattice periodicities can also be produced on template-free surfaces in the gas-phase cluster beam deposition process. It is found that the packing of Fe nanoparticles corresponds to an average of two-dimensional densely packed lattice with a hexagonal summary. By controlling the nanoparticle coverage, the two-dimensional densely packed monolayer morphology can spread to the whole substrate surface being deposited. A formation mechanism of the ordered monolayers is proposed. The densely packed morphologies are formed by the balance between the diffusion rate of the nanoparticles and their filling speed on the substrate surface determined by the deposition rate, and the ordering of the nanoparticle arrays is driven by the inter-particle attractive interactions. The model is strongly supported by a series of carefully designed cluster deposition experiments.
format article
author Chang Liu
Fei Liu
Chen Jin
Sishi Zhang
Lianhua Zhang
Min Han
author_facet Chang Liu
Fei Liu
Chen Jin
Sishi Zhang
Lianhua Zhang
Min Han
author_sort Chang Liu
title Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces
title_short Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces
title_full Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces
title_fullStr Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces
title_full_unstemmed Formation Mechanism of Well-Ordered Densely Packed Nanoparticle Superlattices Deposited from Gas Phase on Template-Free Surfaces
title_sort formation mechanism of well-ordered densely packed nanoparticle superlattices deposited from gas phase on template-free surfaces
publisher SpringerOpen
publishDate 2021
url https://doaj.org/article/0cdd8eb198d54d8ba3a0f407a431b360
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