Laser induced chemical solution deposition of nanomaterials: A novel process demonstrated by manufacturing SnO2 nanotubes

Liu, Zhikun; Liu, C. Richard

doi:10.1016/j.mfglet.2013.09.002

Cited by 9 publications

(12 citation statements)

References 8 publications

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“…Increasing the growth rate is of importance for industrial applications of nanomaterials. In our earlier paper, we have shown that the growth rate can be increased by increasing laser power under a constant number of passes (scanning cycles) [1]. In this paper, we report that nanotubes also grow longer as the number of laser passes increases at a constant power, and we further show that the crystal size is increased at the same time.…”

Section: Resultssupporting

confidence: 64%

“…Developing high rate nanomanufacturing processes along with low processing temperature, large area, and non-toxicity is of great importance for industrial applications. Economical production methods need to be developed so that the huge potential of nanomaterials with novel properties can be widely used [1][2][3]. Industrial synthesis of multiwall carbon nanotube at large scale with high production rate, reduced waste, and low cost in 1980s paved the way for the widespread carbon nanotube research and applications in the past two decades [4].…”

Section: Introductionmentioning

confidence: 99%

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Laser Induced Chemical Deposition of Ferrihydrite Nanotubes: Exploring Growth Rate and Crystal Structure

Liu

2014

Journal of Micro and Nano-Manufacturing

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This paper is one of three papers exploring and confirming a novel high rate nanomanufacturing method using laser to induce and accelerate chemical synthesis and deposition of nanotubes. We have shown elsewhere that the growth rate of SnO 2 nanotubes by this method is a few orders faster than that by the state of the art electrochemical deposition method, the growth rate of the nanotubes is favorably affected by increasing the laser power under a constant number of scanning passes, and the process can grow nanotubes coalesced from ultrasmall particle size as small as 2 nm (Liu and Liu, 2013, "Laser Induced Chemical Solution Deposition of Nanomaterials: A Novel Process Demonstrated by Manufacturing SnO 2 Nanotubes," Manuf. Lett., 1(1), pp. 42-35). In the second paper, we have shown that this novel method is generic, demonstrated by synthesizing various metal oxide and sulfide nanotubes (Liu and Liu, "Laser-Induced Solution Synthesis and Deposition: A Generic Method to Make Metal Chalcogenide Nanotubes at High Rate With High Consistency," J. Nanoeng. Nanosyst. (accepted)). Since the performance and properties of nanomaterials are highly dependent on its structure, we explore here how the basic processing variables affect the growth rate and crystal size. Our initial finding is that (1) the growth rate can be increased by increasing the pH value of the solution, resulting in little change on the crystal size and (2) the crystal size of the manufactured ferrihydrite nanotube arrays can be controlled by changing laser scanning passes. We found the increase of the pH value from 1.33 to 2.16 almost tripled the growth rate of ferrihydrite nanotubes, while the crystal size remained little changed as revealed by the transmission electron microscopy studies. However, increasing the number of laser scanning passes at a given power could coarsen the ferrihydrite nanocrystals. The crystal structure of the nanotubes could be converted to haematite by dry furnace annealing. These initial findings demonstrated the capability and controllability of the novel process.

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Section: Resultssupporting

confidence: 64%

Section: Introductionmentioning

confidence: 99%

Laser Induced Chemical Deposition of Ferrihydrite Nanotubes: Exploring Growth Rate and Crystal Structure

Liu

2014

Journal of Micro and Nano-Manufacturing

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“…The fitted regression lines for sample 1, model 1, and model 2 are shown in Eqs. (7) and (8) (see the Nomenclature section). The relationship between hardness, load, and contact depth is close to Eq.…”

Section: Regression Model For Nano-indentation Test Based On Figs 5mentioning

confidence: 99%

“…Such advantages make the laser-induced chemical solution synthesis attractive and environmentally friendly. This innovative process [7,8] is scalable [9], generic [10], and capable of producing a significant improvement in the material performance [11]. It can greatly aid the development of nanostructured materials for a myriad of applications [7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

“…This innovative process [7,8] is scalable [9], generic [10], and capable of producing a significant improvement in the material performance [11]. It can greatly aid the development of nanostructured materials for a myriad of applications [7][8][9][10][11][12]. Knowledge of mechanical properties for nanostructured material provides crucial information in its selection for diverse structural application, and it must meet the required standard to function properly.…”

Section: Introductionmentioning

confidence: 99%

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An Exploratory Investigation of the Mechanical Properties of the Nanostructured Porous Materials Deposited by Laser-Induced Chemical Solution Synthesis

Cheng

Liu

Voothaluru

et al. 2017

Journal of Micro and Nano-Manufacturing

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Laser-induced chemical solution synthesis has been recently developed as a new generic method to create porous nanostructured materials for complex and miniaturized devices. The material made by this approach is successfully demonstrated for electrochemical catalytic, nanoscale powders, protective coatings, and other applications. One question has therefore been raised: What are the mechanical properties of the porous materials deposited by the laser-induced chemical solution synthesis? This paper has attempted to explore the mechanical properties of such porous nanostructured materials deposited by this new nanomanufacturing method. This process also offers an innovative opportunity to study the strength of a very simple bonding in additive manufacturing. A thin-film of copper nanoparticles is deposited on copper substrates; then, the microstructure of the deposited film is characterized by scanning electron microscope (SEM), and mechanical properties are investigated by a variety of experiments, such as microhardness test, nano-indentation test, bending test, and adhesion test. The mechanical properties of substrates with surface deposition have been shown to have adequate bond strength (>60 g/mm) to allow effective usage in intended applications. Based on the test results, statistical regression and significant tests have also been carried out. A new model for the nano-indentation of the porous coating (film) is proposed. The empirical results have shown that the effect of coating thickness is more prominent on mechanical properties in the case of thick coating deposition.

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Investigations on thermal damage and surface roughness of laser beam machined nano-hydroxyapatite UHMWPE composites

Verma

Zafar

Pathak

2020

Manufacturing Letters

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Laser induced chemical solution deposition of nanomaterials: A novel process demonstrated by manufacturing SnO2 nanotubes

Cited by 9 publications

References 8 publications

Laser Induced Chemical Deposition of Ferrihydrite Nanotubes: Exploring Growth Rate and Crystal Structure

Laser Induced Chemical Deposition of Ferrihydrite Nanotubes: Exploring Growth Rate and Crystal Structure

An Exploratory Investigation of the Mechanical Properties of the Nanostructured Porous Materials Deposited by Laser-Induced Chemical Solution Synthesis

Investigations on thermal damage and surface roughness of laser beam machined nano-hydroxyapatite UHMWPE composites

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