The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing
The demand for the development of local laser sintering of nanoparticle arrays is explained by the expanding needs for printed electronics for functional microstructure formation, on heat-sensitive substrates in particular. This work is based on the research into the sintering of arrays of silver na...
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MDPI AG
2019-12-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/10/1/246 |
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| author | Kirill Khabarov Denis Kornyushin Bulat Masnaviev Dmitry Tuzhilin Dmitry Saprykin Alexey Efimov Victor Ivanov |
| author_facet | Kirill Khabarov Denis Kornyushin Bulat Masnaviev Dmitry Tuzhilin Dmitry Saprykin Alexey Efimov Victor Ivanov |
| author_sort | Kirill Khabarov |
| collection | DOAJ |
| description | The demand for the development of local laser sintering of nanoparticle arrays is explained by the expanding needs for printed electronics for functional microstructure formation, on heat-sensitive substrates in particular. This work is based on the research into the sintering of arrays of silver nanoparticles synthesized in a spark discharge and deposited on a substrate by focused aerosol flow. The sintering was done by continuous and pulsed lasers with wavelengths 527, 980 and 1054 nm. Sintered samples were studied by measuring the resistivity, cross-section profile area and microstructure features. The highest average conductivity, equal to the half of the bulk silver conductivity, was achieved when sintering by continuous radiation with a wavelength 980 nm. The results showed that when using pulsed radiation the direct heating of nanoparticles in the sample surface layer dominates with the formation of a pore-free conductive layer of around 0.5 μm thick and crystallite of 70−80 nm size. It was found that laser sintering by radiation with a wavelength 527 nm required an order of magnitude lower specific energy costs as compared to the longwave laser radiation. The high energy efficiency of laser sintering is explained by special conditions for radiation absorption at plasmon resonance. |
| first_indexed | 2024-12-19T05:12:33Z |
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| id | doaj.art-87021b29e9b74590aaf5b59bc82725af |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-12-19T05:12:33Z |
| publishDate | 2019-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-87021b29e9b74590aaf5b59bc82725af2022-12-21T20:34:46ZengMDPI AGApplied Sciences2076-34172019-12-0110124610.3390/app10010246app10010246The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol PrintingKirill Khabarov0Denis Kornyushin1Bulat Masnaviev2Dmitry Tuzhilin3Dmitry Saprykin4Alexey Efimov5Victor Ivanov6Department of Physical and Quantum Electronics, Moscow Institute of Physics and Technology (National Research University), Dolgoprudny 141701, RussiaDepartment of Physical and Quantum Electronics, Moscow Institute of Physics and Technology (National Research University), Dolgoprudny 141701, RussiaDepartment of Physical and Quantum Electronics, Moscow Institute of Physics and Technology (National Research University), Dolgoprudny 141701, RussiaDepartment of Physical and Quantum Electronics, Moscow Institute of Physics and Technology (National Research University), Dolgoprudny 141701, RussiaJSC ESTO Co., Zelenograd 124460, RussiaDepartment of Physical and Quantum Electronics, Moscow Institute of Physics and Technology (National Research University), Dolgoprudny 141701, RussiaDepartment of Physical and Quantum Electronics, Moscow Institute of Physics and Technology (National Research University), Dolgoprudny 141701, RussiaThe demand for the development of local laser sintering of nanoparticle arrays is explained by the expanding needs for printed electronics for functional microstructure formation, on heat-sensitive substrates in particular. This work is based on the research into the sintering of arrays of silver nanoparticles synthesized in a spark discharge and deposited on a substrate by focused aerosol flow. The sintering was done by continuous and pulsed lasers with wavelengths 527, 980 and 1054 nm. Sintered samples were studied by measuring the resistivity, cross-section profile area and microstructure features. The highest average conductivity, equal to the half of the bulk silver conductivity, was achieved when sintering by continuous radiation with a wavelength 980 nm. The results showed that when using pulsed radiation the direct heating of nanoparticles in the sample surface layer dominates with the formation of a pore-free conductive layer of around 0.5 μm thick and crystallite of 70−80 nm size. It was found that laser sintering by radiation with a wavelength 527 nm required an order of magnitude lower specific energy costs as compared to the longwave laser radiation. The high energy efficiency of laser sintering is explained by special conditions for radiation absorption at plasmon resonance.https://www.mdpi.com/2076-3417/10/1/246aerosol nanoparticlesprintingmicrostructuresinteringlaser radiationsilverconductivity |
| spellingShingle | Kirill Khabarov Denis Kornyushin Bulat Masnaviev Dmitry Tuzhilin Dmitry Saprykin Alexey Efimov Victor Ivanov The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing Applied Sciences aerosol nanoparticles printing microstructure sintering laser radiation silver conductivity |
| title | The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing |
| title_full | The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing |
| title_fullStr | The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing |
| title_full_unstemmed | The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing |
| title_short | The Influence of Laser Sintering Modes on the Conductivity and Microstructure of Silver Nanoparticle Arrays Formed by Dry Aerosol Printing |
| title_sort | influence of laser sintering modes on the conductivity and microstructure of silver nanoparticle arrays formed by dry aerosol printing |
| topic | aerosol nanoparticles printing microstructure sintering laser radiation silver conductivity |
| url | https://www.mdpi.com/2076-3417/10/1/246 |
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