Effect of Microstructure of ZnO Nanorod Film on Humidity Sensing
In this study, a simple thick‐film humidity sensor was fabricated by coating wet‐synthesized ZnO nanorods on screen‐printing interdigitated electrodes. We investigated the influence of the coating procedure on the microstructure of ZnO nanorod films and thereby on humidity sensing. The experimental...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2016-02, Vol.99 (2), p.531-535 |
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| creator | Chou, Kan-Sen Lee, Chia-Hsuan Liu, Bo-Tau |
| description | In this study, a simple thick‐film humidity sensor was fabricated by coating wet‐synthesized ZnO nanorods on screen‐printing interdigitated electrodes. We investigated the influence of the coating procedure on the microstructure of ZnO nanorod films and thereby on humidity sensing. The experimental results revealed that the specific surface area (SSA) decreased and the average pore size (APS) increased with increasing the sintering time and the number of coating layer. The humidity response depended significantly on the pore properties of the ZnO nanorod films. By virtue of the incipient wetness analysis, it was found that the adsorption of water molecules on the ZnO surface led to the decrease in electrical resistance even though the ZnO was rod like, n‐type semiconductor. While tuning the pore structure of the ZnO nanorod film, the thick‐film humidity sensor might display near‐linear response in the full range of 0%–100% relative humidity (RH). |
| doi_str_mv | 10.1111/jace.13994 |
| format | Article |
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We investigated the influence of the coating procedure on the microstructure of ZnO nanorod films and thereby on humidity sensing. The experimental results revealed that the specific surface area (SSA) decreased and the average pore size (APS) increased with increasing the sintering time and the number of coating layer. The humidity response depended significantly on the pore properties of the ZnO nanorod films. By virtue of the incipient wetness analysis, it was found that the adsorption of water molecules on the ZnO surface led to the decrease in electrical resistance even though the ZnO was rod like, n‐type semiconductor. While tuning the pore structure of the ZnO nanorod film, the thick‐film humidity sensor might display near‐linear response in the full range of 0%–100% relative humidity (RH).</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.13994</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Columbus: Blackwell Publishing Ltd</publisher><subject>Adsorption ; Coated electrodes ; Coating ; Detection ; Electrical resistance ; Humidity ; Light emitting diodes ; Microstructure ; Moisture content ; N-type semiconductors ; Nanorods ; Nanostructure ; Pore size ; Porosity ; Printing ; Relative humidity ; Semiconductors ; Sensors ; Sintering ; Specific surface ; Surface area ; Surface chemistry ; Tuning ; Water chemistry ; Zinc oxide</subject><ispartof>Journal of the American Ceramic Society, 2016-02, Vol.99 (2), p.531-535</ispartof><rights>2015 The American Ceramic Society</rights><rights>2016 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4004-54e6ffdbf57220d6255a5d0500d09ef5c9c008a20a5d7ef02cdcf3434728db393</citedby><cites>FETCH-LOGICAL-c4004-54e6ffdbf57220d6255a5d0500d09ef5c9c008a20a5d7ef02cdcf3434728db393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.13994$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.13994$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids></links><search><contributor>Du, H.</contributor><contributor>Du, H.</contributor><creatorcontrib>Chou, Kan-Sen</creatorcontrib><creatorcontrib>Lee, Chia-Hsuan</creatorcontrib><creatorcontrib>Liu, Bo-Tau</creatorcontrib><title>Effect of Microstructure of ZnO Nanorod Film on Humidity Sensing</title><title>Journal of the American Ceramic Society</title><addtitle>J. Am. Ceram. Soc</addtitle><description>In this study, a simple thick‐film humidity sensor was fabricated by coating wet‐synthesized ZnO nanorods on screen‐printing interdigitated electrodes. We investigated the influence of the coating procedure on the microstructure of ZnO nanorod films and thereby on humidity sensing. The experimental results revealed that the specific surface area (SSA) decreased and the average pore size (APS) increased with increasing the sintering time and the number of coating layer. The humidity response depended significantly on the pore properties of the ZnO nanorod films. By virtue of the incipient wetness analysis, it was found that the adsorption of water molecules on the ZnO surface led to the decrease in electrical resistance even though the ZnO was rod like, n‐type semiconductor. While tuning the pore structure of the ZnO nanorod film, the thick‐film humidity sensor might display near‐linear response in the full range of 0%–100% relative humidity (RH).</description><subject>Adsorption</subject><subject>Coated electrodes</subject><subject>Coating</subject><subject>Detection</subject><subject>Electrical resistance</subject><subject>Humidity</subject><subject>Light emitting diodes</subject><subject>Microstructure</subject><subject>Moisture content</subject><subject>N-type semiconductors</subject><subject>Nanorods</subject><subject>Nanostructure</subject><subject>Pore size</subject><subject>Porosity</subject><subject>Printing</subject><subject>Relative humidity</subject><subject>Semiconductors</subject><subject>Sensors</subject><subject>Sintering</subject><subject>Specific surface</subject><subject>Surface area</subject><subject>Surface chemistry</subject><subject>Tuning</subject><subject>Water chemistry</subject><subject>Zinc oxide</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kFtLw0AQhRdRsF5e_AUBX0SIzt6y2TdL6UWpVrCi-LLEza5sTZO6m6D996at-iDovAxz-M7McBA6wnCG2zqfZdqcYSol20IdzDmOicTJNuoAAIlFSmAX7YUwa0csU9ZBF31rja6jykbXTvsq1L7RdePNSnkqJ9FNVla-yqOBK-ZRVUajZu5yVy-jO1MGV74coB2bFcEcfvV9dD_oT3ujeDwZXva641gzABZzZhJr82fLBSGQJ4TzjOfAAXKQxnItNUCaEWhVYSwQnWtLGWWCpPkzlXQfnWz2Lnz11phQq7kL2hRFVpqqCQqn7ZlUMpG26PEvdFY1vmy_U1gCEwLoeuHflEg4TRLGWEudbqhVNsEbqxbezTO_VBjUKnK1ilytI29hvIHfXWGW_5Dqqtvrf3vijceF2nz8eDL_qhJBBVcPN0P1CLfTu-n4Wk3pJzp7j_I</recordid><startdate>201602</startdate><enddate>201602</enddate><creator>Chou, Kan-Sen</creator><creator>Lee, Chia-Hsuan</creator><creator>Liu, Bo-Tau</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201602</creationdate><title>Effect of Microstructure of ZnO Nanorod Film on Humidity Sensing</title><author>Chou, Kan-Sen ; Lee, Chia-Hsuan ; Liu, Bo-Tau</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4004-54e6ffdbf57220d6255a5d0500d09ef5c9c008a20a5d7ef02cdcf3434728db393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Adsorption</topic><topic>Coated electrodes</topic><topic>Coating</topic><topic>Detection</topic><topic>Electrical resistance</topic><topic>Humidity</topic><topic>Light emitting diodes</topic><topic>Microstructure</topic><topic>Moisture content</topic><topic>N-type semiconductors</topic><topic>Nanorods</topic><topic>Nanostructure</topic><topic>Pore size</topic><topic>Porosity</topic><topic>Printing</topic><topic>Relative humidity</topic><topic>Semiconductors</topic><topic>Sensors</topic><topic>Sintering</topic><topic>Specific surface</topic><topic>Surface area</topic><topic>Surface chemistry</topic><topic>Tuning</topic><topic>Water chemistry</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chou, Kan-Sen</creatorcontrib><creatorcontrib>Lee, Chia-Hsuan</creatorcontrib><creatorcontrib>Liu, Bo-Tau</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chou, Kan-Sen</au><au>Lee, Chia-Hsuan</au><au>Liu, Bo-Tau</au><au>Du, H.</au><au>Du, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Microstructure of ZnO Nanorod Film on Humidity Sensing</atitle><jtitle>Journal of the American Ceramic Society</jtitle><addtitle>J. Am. Ceram. Soc</addtitle><date>2016-02</date><risdate>2016</risdate><volume>99</volume><issue>2</issue><spage>531</spage><epage>535</epage><pages>531-535</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>In this study, a simple thick‐film humidity sensor was fabricated by coating wet‐synthesized ZnO nanorods on screen‐printing interdigitated electrodes. We investigated the influence of the coating procedure on the microstructure of ZnO nanorod films and thereby on humidity sensing. The experimental results revealed that the specific surface area (SSA) decreased and the average pore size (APS) increased with increasing the sintering time and the number of coating layer. The humidity response depended significantly on the pore properties of the ZnO nanorod films. By virtue of the incipient wetness analysis, it was found that the adsorption of water molecules on the ZnO surface led to the decrease in electrical resistance even though the ZnO was rod like, n‐type semiconductor. While tuning the pore structure of the ZnO nanorod film, the thick‐film humidity sensor might display near‐linear response in the full range of 0%–100% relative humidity (RH).</abstract><cop>Columbus</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/jace.13994</doi><tpages>5</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Adsorption Coated electrodes Coating Detection Electrical resistance Humidity Light emitting diodes Microstructure Moisture content N-type semiconductors Nanorods Nanostructure Pore size Porosity Printing Relative humidity Semiconductors Sensors Sintering Specific surface Surface area Surface chemistry Tuning Water chemistry Zinc oxide |
| title | Effect of Microstructure of ZnO Nanorod Film on Humidity Sensing |
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