Synthesis of nanosized metal particles from an aerosol
<p>The synthesis of metallic nanoparticles from the precursor solution of salts using the ultrasonic spray pyrolysis method was considered in this work. During the control of process parameters (surface tension and density, the concentration of solution, residence time of aerosol in the reacto...
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| Format: | Article |
| Language: | English |
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University of Defence in Belgrade
2013-10-01
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| Series: | Vojnotehnički Glasnik |
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| Online Access: | http://aseestant.ceon.rs/index.php/vtg/article/view/3601 |
| _version_ | 1818580411874279424 |
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| author | Srećko R. Stopić |
| author_facet | Srećko R. Stopić |
| author_sort | Srećko R. Stopić |
| collection | DOAJ |
| description | <p>The synthesis of metallic nanoparticles from the precursor solution of salts using the ultrasonic spray pyrolysis method was considered in this work. During the control of process parameters (surface tension and density, the concentration of solution, residence time of aerosol in the reactor, presence of additives, gas flow rate, decomposition temperature of aerosol, type of precursor and working atmosphere) it is possible to guide the process in order to obtain powders with such a morphology which satisfies more complex requirements for the desired properties of advanced engineering materials. Significant advance in the improvement of powder characteristics (lower particles sizes, better spheroidity, higher surface area) was obtained by the application of the ultrasonic generator for the preparation of aerosols. Ultrasonic spray pyrolysis is performed by the action of a powerful source of ultrasound on the corresponding precursor solution forming the aerosol with a constant droplet size, which depends on the characteristics of liquid and the frequency of ultrasound. The produced aerosols were transported into the hot reactor, which enables the reaction to occur in a very small volume of a particle and formation of nanosized powder. Spherical, nanosized particles of metals (Cu, Ag, Au, Co) were produced with new and improved physical and chemical characteristics at the IME, RWTH Aachen University. The high costs associated with small quantities of produced nanosized particles represent a limitation of the USP-method. Therefore, scale up of the ultrasonic spray pyrolysis was performed as a final target in the synthesis of nanosized powder.</p> |
| first_indexed | 2024-12-16T07:17:11Z |
| format | Article |
| id | doaj.art-4cd581a7d5f143898a9bee711e9c9716 |
| institution | Directory Open Access Journal |
| issn | 0042-8469 2217-4753 |
| language | English |
| last_indexed | 2024-12-16T07:17:11Z |
| publishDate | 2013-10-01 |
| publisher | University of Defence in Belgrade |
| record_format | Article |
| series | Vojnotehnički Glasnik |
| spelling | doaj.art-4cd581a7d5f143898a9bee711e9c97162022-12-21T22:39:44ZengUniversity of Defence in BelgradeVojnotehnički Glasnik0042-84692217-47532013-10-016139911210.5937/vojtehg61-3601750Synthesis of nanosized metal particles from an aerosolSrećko R. Stopić0Tehnicki Univerzitet u Ahenu Institut za procesnu metalurgiju i recikliranje metala Fakultet za georesurse i inzinjerstvo materijala<p>The synthesis of metallic nanoparticles from the precursor solution of salts using the ultrasonic spray pyrolysis method was considered in this work. During the control of process parameters (surface tension and density, the concentration of solution, residence time of aerosol in the reactor, presence of additives, gas flow rate, decomposition temperature of aerosol, type of precursor and working atmosphere) it is possible to guide the process in order to obtain powders with such a morphology which satisfies more complex requirements for the desired properties of advanced engineering materials. Significant advance in the improvement of powder characteristics (lower particles sizes, better spheroidity, higher surface area) was obtained by the application of the ultrasonic generator for the preparation of aerosols. Ultrasonic spray pyrolysis is performed by the action of a powerful source of ultrasound on the corresponding precursor solution forming the aerosol with a constant droplet size, which depends on the characteristics of liquid and the frequency of ultrasound. The produced aerosols were transported into the hot reactor, which enables the reaction to occur in a very small volume of a particle and formation of nanosized powder. Spherical, nanosized particles of metals (Cu, Ag, Au, Co) were produced with new and improved physical and chemical characteristics at the IME, RWTH Aachen University. The high costs associated with small quantities of produced nanosized particles represent a limitation of the USP-method. Therefore, scale up of the ultrasonic spray pyrolysis was performed as a final target in the synthesis of nanosized powder.</p>http://aseestant.ceon.rs/index.php/vtg/article/view/3601MMCT transitionsprayultrasoundnanoparticlespyrolysisaerosols |
| spellingShingle | Srećko R. Stopić Synthesis of nanosized metal particles from an aerosol Vojnotehnički Glasnik MMCT transition spray ultrasound nanoparticles pyrolysis aerosols |
| title | Synthesis of nanosized metal particles from an aerosol |
| title_full | Synthesis of nanosized metal particles from an aerosol |
| title_fullStr | Synthesis of nanosized metal particles from an aerosol |
| title_full_unstemmed | Synthesis of nanosized metal particles from an aerosol |
| title_short | Synthesis of nanosized metal particles from an aerosol |
| title_sort | synthesis of nanosized metal particles from an aerosol |
| topic | MMCT transition spray ultrasound nanoparticles pyrolysis aerosols |
| url | http://aseestant.ceon.rs/index.php/vtg/article/view/3601 |
| work_keys_str_mv | AT sreckorstopic synthesisofnanosizedmetalparticlesfromanaerosol |