Generation of silver/palladium nanoparticles by liquid flame spray
Ag–Pd alloy nanoparticles have been generated from silver and palladium nitrate precursors using a high temperature aerosol method, the liquid flame spray (LFS) process. In the LFS process, a spray aerosol of precursor liquid is introduced into a high-temperature H2–O2 flame. The primary micron-size...
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Veröffentlicht in: | Journal of materials research 2004-05, Vol.19 (5), p.1544-1550 |
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creator | Keskinen, H. Mäkelä, J.M. Vippola, M. Nurminen, M. Liimatainen, J. Lepistö, T. Keskinen, J. |
description | Ag–Pd alloy nanoparticles have been generated from silver and palladium nitrate precursors using a high temperature aerosol method, the liquid flame spray (LFS) process. In the LFS process, a spray aerosol of precursor liquid is introduced into a high-temperature H2–O2 flame. The primary micron-sized spray droplets evaporatein the flame, and the final particulate product is a result of the nucleation of the pure metal vapors shortly after the flame. In the study, three Ag–Pd molar ratios—10:90, 50:50, and 90:10—were used in the precursor. As a result of the synthesis, metalalloy nanoparticles with practically the same concentration ratios, correspondingly, were produced with the method. In the experiments, metal mass flow rates of 0.01–0.8 g/min were covered. The size of the particles was determined to be in the rangeof 10–50 nm by aerosol instrumentation. The particles were spherical and slightly agglomerated. It was concluded that the particle size can be controlled via the total precursor mass flow rate, and the composition can be controlled by the molar ratio of Ag and Pd compounds in the precursor liquid. |
doi_str_mv | 10.1557/JMR.2004.0207 |
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In the LFS process, a spray aerosol of precursor liquid is introduced into a high-temperature H2–O2 flame. The primary micron-sized spray droplets evaporatein the flame, and the final particulate product is a result of the nucleation of the pure metal vapors shortly after the flame. In the study, three Ag–Pd molar ratios—10:90, 50:50, and 90:10—were used in the precursor. As a result of the synthesis, metalalloy nanoparticles with practically the same concentration ratios, correspondingly, were produced with the method. In the experiments, metal mass flow rates of 0.01–0.8 g/min were covered. The size of the particles was determined to be in the rangeof 10–50 nm by aerosol instrumentation. The particles were spherical and slightly agglomerated. It was concluded that the particle size can be controlled via the total precursor mass flow rate, and the composition can be controlled by the molar ratio of Ag and Pd compounds in the precursor liquid.</description><identifier>ISSN: 0884-2914</identifier><identifier>EISSN: 2044-5326</identifier><identifier>DOI: 10.1557/JMR.2004.0207</identifier><language>eng</language><publisher>New York, USA: Cambridge University Press</publisher><subject>Flame synthesis ; Metal alloy ; Nanoparticle</subject><ispartof>Journal of materials research, 2004-05, Vol.19 (5), p.1544-1550</ispartof><rights>Copyright © Materials Research Society 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-d8e9afb941d781f4c63845fe533994d95783ca1eca93f7d48a1de0b218fefc8d3</citedby><cites>FETCH-LOGICAL-c410t-d8e9afb941d781f4c63845fe533994d95783ca1eca93f7d48a1de0b218fefc8d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids></links><search><creatorcontrib>Keskinen, H.</creatorcontrib><creatorcontrib>Mäkelä, J.M.</creatorcontrib><creatorcontrib>Vippola, M.</creatorcontrib><creatorcontrib>Nurminen, M.</creatorcontrib><creatorcontrib>Liimatainen, J.</creatorcontrib><creatorcontrib>Lepistö, T.</creatorcontrib><creatorcontrib>Keskinen, J.</creatorcontrib><title>Generation of silver/palladium nanoparticles by liquid flame spray</title><title>Journal of materials research</title><addtitle>J. Mater. Res</addtitle><description>Ag–Pd alloy nanoparticles have been generated from silver and palladium nitrate precursors using a high temperature aerosol method, the liquid flame spray (LFS) process. In the LFS process, a spray aerosol of precursor liquid is introduced into a high-temperature H2–O2 flame. The primary micron-sized spray droplets evaporatein the flame, and the final particulate product is a result of the nucleation of the pure metal vapors shortly after the flame. In the study, three Ag–Pd molar ratios—10:90, 50:50, and 90:10—were used in the precursor. As a result of the synthesis, metalalloy nanoparticles with practically the same concentration ratios, correspondingly, were produced with the method. In the experiments, metal mass flow rates of 0.01–0.8 g/min were covered. The size of the particles was determined to be in the rangeof 10–50 nm by aerosol instrumentation. The particles were spherical and slightly agglomerated. It was concluded that the particle size can be controlled via the total precursor mass flow rate, and the composition can be controlled by the molar ratio of Ag and Pd compounds in the precursor liquid.</description><subject>Flame synthesis</subject><subject>Metal alloy</subject><subject>Nanoparticle</subject><issn>0884-2914</issn><issn>2044-5326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp1kDtPwzAUhS0EEqUwsmdiS2vHduKMUNEWVIR4SWyWY18jl7xqJ4j-e1K1gonpLJ_OvedD6JLgCeE8m94_PE8SjNkEJzg7QqMEMxZzmqTHaISFYHGSE3aKzkJYY0w4ztgI3SygBq8619RRY6Pgyi_w01aVpTKur6Ja1U2rfOd0CSEqtlHpNr0zkS1VBVFovdqeoxOrygAXhxyjt_nt62wZrx4Xd7PrVawZwV1sBOTKFjkjJhPEMp1SwbgFTmmeM5PzTFCtCGiVU5sZJhQxgIuECAtWC0PH6Grf2_pm00PoZOWChuHTGpo-yESQlGBKBjDeg9o3IXiwsvWuUn4rCZY7U3IwJXem5M7UH-9CB9-_sPKfMs1oxmW6eJL5-zKZp_xFsoGfHvpVVXhnPkCum97Xw_h_LvwA3Kh6NA</recordid><startdate>200405</startdate><enddate>200405</enddate><creator>Keskinen, H.</creator><creator>Mäkelä, J.M.</creator><creator>Vippola, M.</creator><creator>Nurminen, M.</creator><creator>Liimatainen, J.</creator><creator>Lepistö, T.</creator><creator>Keskinen, J.</creator><general>Cambridge University Press</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200405</creationdate><title>Generation of silver/palladium nanoparticles by liquid flame spray</title><author>Keskinen, H. ; Mäkelä, J.M. ; Vippola, M. ; Nurminen, M. ; Liimatainen, J. ; Lepistö, T. ; Keskinen, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-d8e9afb941d781f4c63845fe533994d95783ca1eca93f7d48a1de0b218fefc8d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Flame synthesis</topic><topic>Metal alloy</topic><topic>Nanoparticle</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Keskinen, H.</creatorcontrib><creatorcontrib>Mäkelä, J.M.</creatorcontrib><creatorcontrib>Vippola, M.</creatorcontrib><creatorcontrib>Nurminen, M.</creatorcontrib><creatorcontrib>Liimatainen, J.</creatorcontrib><creatorcontrib>Lepistö, T.</creatorcontrib><creatorcontrib>Keskinen, J.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of materials research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Keskinen, H.</au><au>Mäkelä, J.M.</au><au>Vippola, M.</au><au>Nurminen, M.</au><au>Liimatainen, J.</au><au>Lepistö, T.</au><au>Keskinen, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Generation of silver/palladium nanoparticles by liquid flame spray</atitle><jtitle>Journal of materials research</jtitle><addtitle>J. Mater. Res</addtitle><date>2004-05</date><risdate>2004</risdate><volume>19</volume><issue>5</issue><spage>1544</spage><epage>1550</epage><pages>1544-1550</pages><issn>0884-2914</issn><eissn>2044-5326</eissn><abstract>Ag–Pd alloy nanoparticles have been generated from silver and palladium nitrate precursors using a high temperature aerosol method, the liquid flame spray (LFS) process. In the LFS process, a spray aerosol of precursor liquid is introduced into a high-temperature H2–O2 flame. The primary micron-sized spray droplets evaporatein the flame, and the final particulate product is a result of the nucleation of the pure metal vapors shortly after the flame. In the study, three Ag–Pd molar ratios—10:90, 50:50, and 90:10—were used in the precursor. As a result of the synthesis, metalalloy nanoparticles with practically the same concentration ratios, correspondingly, were produced with the method. In the experiments, metal mass flow rates of 0.01–0.8 g/min were covered. The size of the particles was determined to be in the rangeof 10–50 nm by aerosol instrumentation. The particles were spherical and slightly agglomerated. It was concluded that the particle size can be controlled via the total precursor mass flow rate, and the composition can be controlled by the molar ratio of Ag and Pd compounds in the precursor liquid.</abstract><cop>New York, USA</cop><pub>Cambridge University Press</pub><doi>10.1557/JMR.2004.0207</doi><tpages>7</tpages></addata></record> |
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subjects | Flame synthesis Metal alloy Nanoparticle |
title | Generation of silver/palladium nanoparticles by liquid flame spray |
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