Characterization on Three-Dimensional Trajectory of Disk-Like Gold-Nickel-Platinum Nanomotor Using Digital Holographic Imaging

Liangxing Hu; Shakil Rehman; Kai Tao; Jianmin Miao

doi:10.1002/slct.201801534

Characterization on Three-Dimensional Trajectory of Disk-Like Gold-Nickel-Platinum Nanomotor Using Digital Holographic Imaging

Liangxing Hu, Shakil Rehman, Kai Tao, Jianmin Miao

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Self-propelling disk-like nanomotor consisting of three metallic segments: a non-catalytic gold (Au), central magnetic nickel (Ni), and a catalytic platinum (Pt), is designed and fabricated with a high-efficiency layer-by-layer (LbL) deposition method based on the nano-electro-mechanical systems (NMES) technology. A bubble propulsion mechanism, resulting from bubble growth and collapse, is proposed to explain the locomotion of the nanomotor suspended in hydrogen peroxide (H₂O₂) solution. The autonomous propulsion of Au-Ni-Pt nanomotor is characterized by digital holographic imaging and analyzed using Matlab, revealing that oxygen (O₂) bubbles are generated and detached from the surface of Pt. In addition, the holographic images are for the first time used to reconstruct the instantaneously three-dimensional (3D) location and trajectory of the nanomotor.

Original language	English
Pages (from-to)	9634-9640
Number of pages	7
Journal	ChemistrySelect
Volume	3
Issue number	33
DOIs	https://doi.org/10.1002/slct.201801534
State	Published - 7 Sep 2018

Keywords

disk-like nanomotor
growth-collapse propulsion
holographic imaging
hydrogen peroxide
three-dimensional trajectory

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10.1002/slct.201801534

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title = "Characterization on Three-Dimensional Trajectory of Disk-Like Gold-Nickel-Platinum Nanomotor Using Digital Holographic Imaging",

abstract = "Self-propelling disk-like nanomotor consisting of three metallic segments: a non-catalytic gold (Au), central magnetic nickel (Ni), and a catalytic platinum (Pt), is designed and fabricated with a high-efficiency layer-by-layer (LbL) deposition method based on the nano-electro-mechanical systems (NMES) technology. A bubble propulsion mechanism, resulting from bubble growth and collapse, is proposed to explain the locomotion of the nanomotor suspended in hydrogen peroxide (H2O2) solution. The autonomous propulsion of Au-Ni-Pt nanomotor is characterized by digital holographic imaging and analyzed using Matlab, revealing that oxygen (O2) bubbles are generated and detached from the surface of Pt. In addition, the holographic images are for the first time used to reconstruct the instantaneously three-dimensional (3D) location and trajectory of the nanomotor.",

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author = "Liangxing Hu and Shakil Rehman and Kai Tao and Jianmin Miao",

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AU - Miao, Jianmin

PY - 2018/9/7

Y1 - 2018/9/7

N2 - Self-propelling disk-like nanomotor consisting of three metallic segments: a non-catalytic gold (Au), central magnetic nickel (Ni), and a catalytic platinum (Pt), is designed and fabricated with a high-efficiency layer-by-layer (LbL) deposition method based on the nano-electro-mechanical systems (NMES) technology. A bubble propulsion mechanism, resulting from bubble growth and collapse, is proposed to explain the locomotion of the nanomotor suspended in hydrogen peroxide (H2O2) solution. The autonomous propulsion of Au-Ni-Pt nanomotor is characterized by digital holographic imaging and analyzed using Matlab, revealing that oxygen (O2) bubbles are generated and detached from the surface of Pt. In addition, the holographic images are for the first time used to reconstruct the instantaneously three-dimensional (3D) location and trajectory of the nanomotor.

AB - Self-propelling disk-like nanomotor consisting of three metallic segments: a non-catalytic gold (Au), central magnetic nickel (Ni), and a catalytic platinum (Pt), is designed and fabricated with a high-efficiency layer-by-layer (LbL) deposition method based on the nano-electro-mechanical systems (NMES) technology. A bubble propulsion mechanism, resulting from bubble growth and collapse, is proposed to explain the locomotion of the nanomotor suspended in hydrogen peroxide (H2O2) solution. The autonomous propulsion of Au-Ni-Pt nanomotor is characterized by digital holographic imaging and analyzed using Matlab, revealing that oxygen (O2) bubbles are generated and detached from the surface of Pt. In addition, the holographic images are for the first time used to reconstruct the instantaneously three-dimensional (3D) location and trajectory of the nanomotor.

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KW - growth-collapse propulsion

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Characterization on Three-Dimensional Trajectory of Disk-Like Gold-Nickel-Platinum Nanomotor Using Digital Holographic Imaging

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