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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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) |
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DOAJ |
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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 |
work_keys_str_mv |
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