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Optimization of the Pt Nanoparticle Size and Calcination Temperature for Enhanced Sensing Performance of Pt-Decorated In2O3 Nanorods
The surface-to-volume ratio of one-dimensional (1D) semiconductor metal-oxide sensors is an important factor for achieving good gas sensing properties because it offers a wide response area. To exploit this effect, in this study, we determined the optimal calcination temperature to maximize the spec...
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| Published in: | Journal of the Korean Physical Society 2018, 73(10), , pp.1444-1451 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c335t-f8893d63cd5d5f2fcc999c806f60daf2a715e6ca14f718dc55bde3ae216f72bf3 |
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| cites | cdi_FETCH-LOGICAL-c335t-f8893d63cd5d5f2fcc999c806f60daf2a715e6ca14f718dc55bde3ae216f72bf3 |
| container_end_page | 1451 |
| container_issue | 10 |
| container_start_page | 1444 |
| container_title | Journal of the Korean Physical Society |
| container_volume | 73 |
| creator | Choi, Seung-Bok Lee, Jae Kyung Lee, Woo Seok Ko, Tae Gyung Lee, Chongmu |
| description | The surface-to-volume ratio of one-dimensional (1D) semiconductor metal-oxide sensors is an important factor for achieving good gas sensing properties because it offers a wide response area. To exploit this effect, in this study, we determined the optimal calcination temperature to maximize the specific surface area and thereby the sensitivity of the sensor. The In
2
O
3
nanorods were synthesized by using vapor-liquid-solid growth of In
2
O
3
powders and were decorated with the Pt nanoparticles by using a sol-gel method. Subsequently, the Pt nanoparticle-decorated In
2
O
3
nanorods were calcined at different temperatures to determine the optimal calcination temperature. The NO
2
gas sensing properties of five different samples (pristine uncalcined In
2
O
3
nanorods, Pt-decorated uncalcined In
2
O
3
nanorods, and Pt-decorated In
2
O
3
nanorods calcined at 400, 600, and 800 °C) were determined and compared. The Pt-decorated In
2
O
3
nanorods calcined at 600 °C showed the highest surface-to-volume ratio and the strongest response to NO
2
gas. Moreover, these nanorods showed the shortest response/recovery times toward NO
2
. These enhanced sensing properties are attributed to a combination of increased surface-to-volume ratio (achieved through the optimal calcination) and increased electrical/chemical sensitization (provided by the noble-metal decoration). |
| doi_str_mv | 10.3938/jkps.73.1444 |
| format | article |
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2
O
3
nanorods were synthesized by using vapor-liquid-solid growth of In
2
O
3
powders and were decorated with the Pt nanoparticles by using a sol-gel method. Subsequently, the Pt nanoparticle-decorated In
2
O
3
nanorods were calcined at different temperatures to determine the optimal calcination temperature. The NO
2
gas sensing properties of five different samples (pristine uncalcined In
2
O
3
nanorods, Pt-decorated uncalcined In
2
O
3
nanorods, and Pt-decorated In
2
O
3
nanorods calcined at 400, 600, and 800 °C) were determined and compared. The Pt-decorated In
2
O
3
nanorods calcined at 600 °C showed the highest surface-to-volume ratio and the strongest response to NO
2
gas. Moreover, these nanorods showed the shortest response/recovery times toward NO
2
. These enhanced sensing properties are attributed to a combination of increased surface-to-volume ratio (achieved through the optimal calcination) and increased electrical/chemical sensitization (provided by the noble-metal decoration).</description><identifier>ISSN: 0374-4884</identifier><identifier>EISSN: 1976-8524</identifier><identifier>DOI: 10.3938/jkps.73.1444</identifier><language>eng</language><publisher>Seoul: The Korean Physical Society</publisher><subject>Decoration ; Detection ; Gas sensors ; Indium oxides ; Mathematical and Computational Physics ; Metal oxides ; Nanoparticles ; Nanorods ; Nitrogen dioxide ; Noble metals ; Organic chemistry ; Particle and Nuclear Physics ; Physics ; Physics and Astronomy ; Properties (attributes) ; Roasting ; Sol-gel processes ; Temperature ; Theoretical ; 물리학</subject><ispartof>Journal of the Korean Physical Society, 2018, 73(10), , pp.1444-1451</ispartof><rights>The Korean Physical Society 2018</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-f8893d63cd5d5f2fcc999c806f60daf2a715e6ca14f718dc55bde3ae216f72bf3</citedby><cites>FETCH-LOGICAL-c335t-f8893d63cd5d5f2fcc999c806f60daf2a715e6ca14f718dc55bde3ae216f72bf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART002410316$$DAccess content in National Research Foundation of Korea (NRF)$$Hfree_for_read</backlink></links><search><creatorcontrib>Choi, Seung-Bok</creatorcontrib><creatorcontrib>Lee, Jae Kyung</creatorcontrib><creatorcontrib>Lee, Woo Seok</creatorcontrib><creatorcontrib>Ko, Tae Gyung</creatorcontrib><creatorcontrib>Lee, Chongmu</creatorcontrib><title>Optimization of the Pt Nanoparticle Size and Calcination Temperature for Enhanced Sensing Performance of Pt-Decorated In2O3 Nanorods</title><title>Journal of the Korean Physical Society</title><addtitle>J. Korean Phys. Soc</addtitle><description>The surface-to-volume ratio of one-dimensional (1D) semiconductor metal-oxide sensors is an important factor for achieving good gas sensing properties because it offers a wide response area. To exploit this effect, in this study, we determined the optimal calcination temperature to maximize the specific surface area and thereby the sensitivity of the sensor. The In
2
O
3
nanorods were synthesized by using vapor-liquid-solid growth of In
2
O
3
powders and were decorated with the Pt nanoparticles by using a sol-gel method. Subsequently, the Pt nanoparticle-decorated In
2
O
3
nanorods were calcined at different temperatures to determine the optimal calcination temperature. The NO
2
gas sensing properties of five different samples (pristine uncalcined In
2
O
3
nanorods, Pt-decorated uncalcined In
2
O
3
nanorods, and Pt-decorated In
2
O
3
nanorods calcined at 400, 600, and 800 °C) were determined and compared. The Pt-decorated In
2
O
3
nanorods calcined at 600 °C showed the highest surface-to-volume ratio and the strongest response to NO
2
gas. Moreover, these nanorods showed the shortest response/recovery times toward NO
2
. These enhanced sensing properties are attributed to a combination of increased surface-to-volume ratio (achieved through the optimal calcination) and increased electrical/chemical sensitization (provided by the noble-metal decoration).</description><subject>Decoration</subject><subject>Detection</subject><subject>Gas sensors</subject><subject>Indium oxides</subject><subject>Mathematical and Computational Physics</subject><subject>Metal oxides</subject><subject>Nanoparticles</subject><subject>Nanorods</subject><subject>Nitrogen dioxide</subject><subject>Noble metals</subject><subject>Organic chemistry</subject><subject>Particle and Nuclear Physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Properties (attributes)</subject><subject>Roasting</subject><subject>Sol-gel processes</subject><subject>Temperature</subject><subject>Theoretical</subject><subject>물리학</subject><issn>0374-4884</issn><issn>1976-8524</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpt0ctqGzEUBmBRGqibdJcHEHRV6LijORpJswxO2hpCbBpnLRRdHPkiTSR50azz4J3JFLrp6sDhO78EP0KXpJ5DB-Lbbt_nOYc5oZS-QzPScVaJtqHv0awGTisqBP2APua8q2sKwNkMva764o_-RRUfA44OlyeL1wXfqRB7lYrXB4vv_YvFKhi8UAftw2Q39tjbpMopWexiwjfhSQVtDb63IfuwxWubhv1xXI7B61JdWx2Hi8EsQ7OCt0dSNPkCnTl1yPbT33mOHr7fbBY_q9vVj-Xi6rbSAG2pnBAdGAbatKZ1jdO66zotauZYbZRrFCetZVoR6jgRRrfto7GgbEOY482jg3P0ZcoNycm99jIq_za3Ue6TvPq1WUoQjHWMDPbzZPsUn082F7mLpxSG78mGACcggLBBfZ2UTjHnZJ3skz-q9FuSWo6dyLETyUGOnQy8mngeWNja9C_0v_4PS9iQeQ</recordid><startdate>20181101</startdate><enddate>20181101</enddate><creator>Choi, Seung-Bok</creator><creator>Lee, Jae Kyung</creator><creator>Lee, Woo Seok</creator><creator>Ko, Tae Gyung</creator><creator>Lee, Chongmu</creator><general>The Korean Physical Society</general><general>Springer Nature B.V</general><general>한국물리학회</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ACYCR</scope></search><sort><creationdate>20181101</creationdate><title>Optimization of the Pt Nanoparticle Size and Calcination Temperature for Enhanced Sensing Performance of Pt-Decorated In2O3 Nanorods</title><author>Choi, Seung-Bok ; Lee, Jae Kyung ; Lee, Woo Seok ; Ko, Tae Gyung ; Lee, Chongmu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-f8893d63cd5d5f2fcc999c806f60daf2a715e6ca14f718dc55bde3ae216f72bf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Decoration</topic><topic>Detection</topic><topic>Gas sensors</topic><topic>Indium oxides</topic><topic>Mathematical and Computational Physics</topic><topic>Metal oxides</topic><topic>Nanoparticles</topic><topic>Nanorods</topic><topic>Nitrogen dioxide</topic><topic>Noble metals</topic><topic>Organic chemistry</topic><topic>Particle and Nuclear Physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Properties (attributes)</topic><topic>Roasting</topic><topic>Sol-gel processes</topic><topic>Temperature</topic><topic>Theoretical</topic><topic>물리학</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Choi, Seung-Bok</creatorcontrib><creatorcontrib>Lee, Jae Kyung</creatorcontrib><creatorcontrib>Lee, Woo Seok</creatorcontrib><creatorcontrib>Ko, Tae Gyung</creatorcontrib><creatorcontrib>Lee, Chongmu</creatorcontrib><collection>CrossRef</collection><collection>Korean Citation Index</collection><jtitle>Journal of the Korean Physical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Choi, Seung-Bok</au><au>Lee, Jae Kyung</au><au>Lee, Woo Seok</au><au>Ko, Tae Gyung</au><au>Lee, Chongmu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimization of the Pt Nanoparticle Size and Calcination Temperature for Enhanced Sensing Performance of Pt-Decorated In2O3 Nanorods</atitle><jtitle>Journal of the Korean Physical Society</jtitle><stitle>J. Korean Phys. Soc</stitle><date>2018-11-01</date><risdate>2018</risdate><volume>73</volume><issue>10</issue><spage>1444</spage><epage>1451</epage><pages>1444-1451</pages><issn>0374-4884</issn><eissn>1976-8524</eissn><abstract>The surface-to-volume ratio of one-dimensional (1D) semiconductor metal-oxide sensors is an important factor for achieving good gas sensing properties because it offers a wide response area. To exploit this effect, in this study, we determined the optimal calcination temperature to maximize the specific surface area and thereby the sensitivity of the sensor. The In
2
O
3
nanorods were synthesized by using vapor-liquid-solid growth of In
2
O
3
powders and were decorated with the Pt nanoparticles by using a sol-gel method. Subsequently, the Pt nanoparticle-decorated In
2
O
3
nanorods were calcined at different temperatures to determine the optimal calcination temperature. The NO
2
gas sensing properties of five different samples (pristine uncalcined In
2
O
3
nanorods, Pt-decorated uncalcined In
2
O
3
nanorods, and Pt-decorated In
2
O
3
nanorods calcined at 400, 600, and 800 °C) were determined and compared. The Pt-decorated In
2
O
3
nanorods calcined at 600 °C showed the highest surface-to-volume ratio and the strongest response to NO
2
gas. Moreover, these nanorods showed the shortest response/recovery times toward NO
2
. These enhanced sensing properties are attributed to a combination of increased surface-to-volume ratio (achieved through the optimal calcination) and increased electrical/chemical sensitization (provided by the noble-metal decoration).</abstract><cop>Seoul</cop><pub>The Korean Physical Society</pub><doi>10.3938/jkps.73.1444</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of the Korean Physical Society, 2018, 73(10), , pp.1444-1451 |
| issn | 0374-4884 1976-8524 |
| language | eng |
| recordid | cdi_nrf_kci_oai_kci_go_kr_ARTI_3866961 |
| source | Springer Link |
| subjects | Decoration Detection Gas sensors Indium oxides Mathematical and Computational Physics Metal oxides Nanoparticles Nanorods Nitrogen dioxide Noble metals Organic chemistry Particle and Nuclear Physics Physics Physics and Astronomy Properties (attributes) Roasting Sol-gel processes Temperature Theoretical 물리학 |
| title | Optimization of the Pt Nanoparticle Size and Calcination Temperature for Enhanced Sensing Performance of Pt-Decorated In2O3 Nanorods |
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