The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing

Khabarov, Kirill; Kornyushin, Denis; Masnaviev, B. I.; Tuzhilin, Dmitry; Saprykin, Dmitry; Ефимов, А. А.; Иванов, В. В.

doi:10.3390/app10010246

Cited by 17 publications

(6 citation statements)

References 35 publications

(46 reference statements)

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“…Obtaining lines with a high aspect ratio is possible only using additional approaches for processing the substrate or the deposited material. Therefore, one of the approaches is to structure the substrate using imprinting or lithography, which limits the spreading of ink on it [24], and the second approach is based on the use of multiple printing passes in combination with local laser sintering of the deposited material [25][26][27][28]. Both presented approaches significantly complicate and increase the cost of the aerosol jet printing process through the use of additional lithographic, laser and optomechanical equipment.…”

Section: Introductionmentioning

confidence: 99%

Aerosol Jet Printing of Silver Lines with A High Aspect Ratio on A Heated Silicon Substrate

et al. 2020

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In this work, we studied the formation of conductive silver lines with high aspect ratios (AR = thickness/width) > 0.1 using the modernized method of aerosol jet printing on a heated silicon substrate. The geometric (AR) and electrical (resistivity) parameters of the formed lines were investigated depending on the number of printing layers (1–10 layers) and the temperature of the substrate (25–300 °C). The AR of the lines increased as the number of printing layers and the temperature of the substrate increased. An increase in the AR of the lines with increasing substrate temperature was associated with a decrease in the ink spreading as a result of an increase in the rate of evaporation of nano-ink. Moreover, with an increase in the substrate temperature of more than 200 °C, a significant increase in the porosity of the formed lines was observed, and as a result, the electrical resistivity of the lines increased significantly. Taking into account the revealed regularities, it was demonstrated that the formation of silver lines with a high AR > 0.1 and a low electrical resistivity of 2–3 μΩ∙cm is advisable to be carried out at a substrate temperature of about 100 °C. The adhesion strength of silver films formed on a heated silicon substrate is 2.8 ± 0.9 N/mm2, which further confirms the suitability of the investigated method of aerosol jet printing for electronic applications.

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Section: Introductionmentioning

confidence: 99%

Aerosol Jet Printing of Silver Lines with A High Aspect Ratio on A Heated Silicon Substrate

et al. 2020

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“…Thus, production of germanium nanoparticles with different morphologies, sizes and optical properties by the spark discharge method can be controlled by the temperature of an additional sintering process. This is quite important technology for creating nanoparticles with required properties for applications as anode materials of lithium-ion batteries, sodium-ion batteries [ 35 ] and aerosol jet-printing devices [ 36 , 37 , 38 ].…”

Section: Discussionmentioning

confidence: 99%

Effects of Temperature on the Morphology and Optical Properties of Spark Discharge Germanium Nanoparticles

et al. 2020

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We report the spark discharge synthesis of aerosol germanium nanoparticles followed by sintering in a tube furnace at different temperatures varying from 25 to 800 °C. The size, structure, chemical composition and optical properties were studied. We have demonstrated a melting mechanism of nanoparticles agglomerates, the growth of the mean primary particle size from 7 to 51 nm and the reduction of the size of agglomerates with a temperature increase. According to transmission electron microscopy (TEM) and Fourier transform infrared (FTIR) data, primary nanoparticles sintered at temperatures from 25 to 475 °C basically have a structure of Ge crystals embedded in a GeOx amorphous matrix, as well as visible photoluminescence (PL) with the maximum at 550 nm. Pure germanium nanoparticles are prepared at temperatures above 625 °C and distinguished by their absence of visible PL. The shape of the experimental UV-vis-NIR extinction spectra significantly depends on the size distribution of the germanium crystals. This fact was confirmed by simulations according to Mie theory for obtained ensembles of germanium nanoparticles.

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“…On the other hand, the excellent material symmetry, high material loading, and surface pre-melting allow for very effective, low-temperature sintering at around 200 °C into uniform conductive films. An example of a printed AgNP film is provided in Figure 6 b, and the resultant AgNP network after the solvent is dissolved is readily seen [ 101 ].…”

Section: Conductive Nanomaterials Printingmentioning

confidence: 99%

Recent Advances in High-Throughput Nanomaterial Manufacturing for Hybrid Flexible Bioelectronics

2021

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Hybrid flexible bioelectronic systems refer to integrated soft biosensing platforms with tremendous clinical impact. In this new paradigm, electrical systems can stretch and deform with the skin while previously hidden physiological signals can be continuously recorded. However, hybrid flexible bioelectronics will not receive wide clinical adoption until these systems can be manufactured at industrial scales cost-effectively. Therefore, new manufacturing approaches must be discovered and studied under the same innovative spirit that led to the adoption of novel materials and soft structures. Recent works have taken mature manufacturing approaches from the graphics industry, such as gravure, flexography, screen, and inkjet printing, and applied them to fully printed bioelectronics. These applications require the cohesive study of many disparate parts. For instance, nanomaterials with optimal properties for each specific application must be dispersed in printable inks with rheology suited to each printing method. This review summarizes recent advances in printing technologies, key nanomaterials, and applications of the manufactured hybrid bioelectronics. We also discuss the existing challenges of the available nanomanufacturing methods and the areas that need immediate technological improvements.

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The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing

Cited by 17 publications

References 35 publications

Aerosol Jet Printing of Silver Lines with A High Aspect Ratio on A Heated Silicon Substrate

Aerosol Jet Printing of Silver Lines with A High Aspect Ratio on A Heated Silicon Substrate

Effects of Temperature on the Morphology and Optical Properties of Spark Discharge Germanium Nanoparticles

Recent Advances in High-Throughput Nanomaterial Manufacturing for Hybrid Flexible Bioelectronics

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