The morphologies and optoelectronic properties of delafossite CuFeO2 thin films prepared by PEG assisted sol–gel method
Single phase delafossite CuFeO 2 thin films were synthesized by a simple sol–gel method. The influence of polyethylene glycol (PEG) on the morphology and optoelectronic properties of the films was studied by addition of 1.0 g PEG in 10 ml precursor solution. The crystal sizes of the derived CuFeO 2...
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| Veröffentlicht in: | Journal of sol-gel science and technology 2014-08, Vol.71 (2), p.297-302 |
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| creator | Deng, Zanhong Fang, Xiaodong Wu, Suzhen Dong, Weiwei Shao, Jingzhen Wang, Shimao Lei, Man |
| description | Single phase delafossite CuFeO
2
thin films were synthesized by a simple sol–gel method. The influence of polyethylene glycol (PEG) on the morphology and optoelectronic properties of the films was studied by addition of 1.0 g PEG in 10 ml precursor solution. The crystal sizes of the derived CuFeO
2
films with and without addition of PEG were 49 nm, but the sample with addition of PEG (labeled as CFO-PEG) showed weaker c-axis orientation growth. The sample without addition of PEG (labeled as CFO) showed a compact surface without detectable pores and had a thickness around 50 nm. However, the sample CFO-PEG exhibited a porous surface with worm-like grains in nanometric scale and had a thickness around 310 nm. Enhanced absorbance in UV–vis region was observed for the sample CFO-PEG which might ascribe to both the thickness and porous surface. The optical direct bandgaps at near-UV were estimated to be ~3.0 and 3.38 eV for the sample CFO-PEG and CFO, respectively. Though the porous surface of CFO-PEG has improved the absorbance in UV–vis region, the resistivity has also been increased due to the homogeneous distribution of interspaces between the worm-like grains, which makes the incident photon to current efficiency of CFO-PEG lower than that of CFO. |
| doi_str_mv | 10.1007/s10971-014-3369-6 |
| format | Article |
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2
thin films were synthesized by a simple sol–gel method. The influence of polyethylene glycol (PEG) on the morphology and optoelectronic properties of the films was studied by addition of 1.0 g PEG in 10 ml precursor solution. The crystal sizes of the derived CuFeO
2
films with and without addition of PEG were 49 nm, but the sample with addition of PEG (labeled as CFO-PEG) showed weaker c-axis orientation growth. The sample without addition of PEG (labeled as CFO) showed a compact surface without detectable pores and had a thickness around 50 nm. However, the sample CFO-PEG exhibited a porous surface with worm-like grains in nanometric scale and had a thickness around 310 nm. Enhanced absorbance in UV–vis region was observed for the sample CFO-PEG which might ascribe to both the thickness and porous surface. The optical direct bandgaps at near-UV were estimated to be ~3.0 and 3.38 eV for the sample CFO-PEG and CFO, respectively. Though the porous surface of CFO-PEG has improved the absorbance in UV–vis region, the resistivity has also been increased due to the homogeneous distribution of interspaces between the worm-like grains, which makes the incident photon to current efficiency of CFO-PEG lower than that of CFO.</description><identifier>ISSN: 0928-0707</identifier><identifier>EISSN: 1573-4846</identifier><identifier>DOI: 10.1007/s10971-014-3369-6</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Absorbance ; Ceramics ; Chemistry ; Chemistry and Materials Science ; Colloidal gels. Colloidal sols ; Colloidal state and disperse state ; Composites ; Current efficiency ; Exact sciences and technology ; General and physical chemistry ; Glass ; Grains ; Inorganic Chemistry ; Materials Science ; Morphology ; Nanotechnology ; Natural Materials ; Optical and Electronic Materials ; Optoelectronics ; Original Paper ; Polyethylene glycol ; Sol-gel processes ; Thickness ; Thin films</subject><ispartof>Journal of sol-gel science and technology, 2014-08, Vol.71 (2), p.297-302</ispartof><rights>Springer Science+Business Media New York 2014</rights><rights>2015 INIST-CNRS</rights><rights>Journal of Sol-Gel Science and Technology is a copyright of Springer, (2014). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-1f0f38bc812b95d11b659129a62334864d43c1ff7531a0f00425d2b962d3b6dc3</citedby><cites>FETCH-LOGICAL-c375t-1f0f38bc812b95d11b659129a62334864d43c1ff7531a0f00425d2b962d3b6dc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10971-014-3369-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10971-014-3369-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28610059$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Deng, Zanhong</creatorcontrib><creatorcontrib>Fang, Xiaodong</creatorcontrib><creatorcontrib>Wu, Suzhen</creatorcontrib><creatorcontrib>Dong, Weiwei</creatorcontrib><creatorcontrib>Shao, Jingzhen</creatorcontrib><creatorcontrib>Wang, Shimao</creatorcontrib><creatorcontrib>Lei, Man</creatorcontrib><title>The morphologies and optoelectronic properties of delafossite CuFeO2 thin films prepared by PEG assisted sol–gel method</title><title>Journal of sol-gel science and technology</title><addtitle>J Sol-Gel Sci Technol</addtitle><description>Single phase delafossite CuFeO
2
thin films were synthesized by a simple sol–gel method. The influence of polyethylene glycol (PEG) on the morphology and optoelectronic properties of the films was studied by addition of 1.0 g PEG in 10 ml precursor solution. The crystal sizes of the derived CuFeO
2
films with and without addition of PEG were 49 nm, but the sample with addition of PEG (labeled as CFO-PEG) showed weaker c-axis orientation growth. The sample without addition of PEG (labeled as CFO) showed a compact surface without detectable pores and had a thickness around 50 nm. However, the sample CFO-PEG exhibited a porous surface with worm-like grains in nanometric scale and had a thickness around 310 nm. Enhanced absorbance in UV–vis region was observed for the sample CFO-PEG which might ascribe to both the thickness and porous surface. The optical direct bandgaps at near-UV were estimated to be ~3.0 and 3.38 eV for the sample CFO-PEG and CFO, respectively. Though the porous surface of CFO-PEG has improved the absorbance in UV–vis region, the resistivity has also been increased due to the homogeneous distribution of interspaces between the worm-like grains, which makes the incident photon to current efficiency of CFO-PEG lower than that of CFO.</description><subject>Absorbance</subject><subject>Ceramics</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Colloidal gels. Colloidal sols</subject><subject>Colloidal state and disperse state</subject><subject>Composites</subject><subject>Current efficiency</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Glass</subject><subject>Grains</subject><subject>Inorganic Chemistry</subject><subject>Materials Science</subject><subject>Morphology</subject><subject>Nanotechnology</subject><subject>Natural Materials</subject><subject>Optical and Electronic Materials</subject><subject>Optoelectronics</subject><subject>Original Paper</subject><subject>Polyethylene glycol</subject><subject>Sol-gel processes</subject><subject>Thickness</subject><subject>Thin films</subject><issn>0928-0707</issn><issn>1573-4846</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kMtKBDEQRYMoOD4-wF1AXLZWnt29lMEXCLrQdUjnMdPS02mTzGJ2_oN_6JeYYURXroqizr1VdRE6I3BJAOqrRKCtSQWEV4zJtpJ7aEZEzSrecLmPZtDSpoIa6kN0lNIbAAhO6hnavCwdXoU4LcMQFr1LWI8WhykHNziTYxh7g6cYJhfzdho8tm7QPqTUZ4fn61v3RHFe9iP2_bBKhXWTjs7iboOfb-6wLmDKpU9h-Pr4XLgBr1xeBnuCDrwekjv9qcfo9fbmZX5fPT7dPcyvHyvDapEr4sGzpjMNoV0rLCGdFC2hrZaUMd5IbjkzxPtaMKLBA3AqbEEltayT1rBjdL7zLV-8r13K6i2s41hWKkpFK7jkDApFdpSJ5bXovJpiv9JxowiobcJql7AqCattwkoWzcWPs05GDz7q0fTpV0gbWYSiLRzdcamMxoWLfxf8b_4NWwOMfg</recordid><startdate>20140801</startdate><enddate>20140801</enddate><creator>Deng, Zanhong</creator><creator>Fang, Xiaodong</creator><creator>Wu, Suzhen</creator><creator>Dong, Weiwei</creator><creator>Shao, Jingzhen</creator><creator>Wang, Shimao</creator><creator>Lei, Man</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20140801</creationdate><title>The morphologies and optoelectronic properties of delafossite CuFeO2 thin films prepared by PEG assisted sol–gel method</title><author>Deng, Zanhong ; Fang, Xiaodong ; Wu, Suzhen ; Dong, Weiwei ; Shao, Jingzhen ; Wang, Shimao ; Lei, Man</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-1f0f38bc812b95d11b659129a62334864d43c1ff7531a0f00425d2b962d3b6dc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Absorbance</topic><topic>Ceramics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Colloidal gels. Colloidal sols</topic><topic>Colloidal state and disperse state</topic><topic>Composites</topic><topic>Current efficiency</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Glass</topic><topic>Grains</topic><topic>Inorganic Chemistry</topic><topic>Materials Science</topic><topic>Morphology</topic><topic>Nanotechnology</topic><topic>Natural Materials</topic><topic>Optical and Electronic Materials</topic><topic>Optoelectronics</topic><topic>Original Paper</topic><topic>Polyethylene glycol</topic><topic>Sol-gel processes</topic><topic>Thickness</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Deng, Zanhong</creatorcontrib><creatorcontrib>Fang, Xiaodong</creatorcontrib><creatorcontrib>Wu, Suzhen</creatorcontrib><creatorcontrib>Dong, Weiwei</creatorcontrib><creatorcontrib>Shao, Jingzhen</creatorcontrib><creatorcontrib>Wang, Shimao</creatorcontrib><creatorcontrib>Lei, Man</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Journal of sol-gel science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deng, Zanhong</au><au>Fang, Xiaodong</au><au>Wu, Suzhen</au><au>Dong, Weiwei</au><au>Shao, Jingzhen</au><au>Wang, Shimao</au><au>Lei, Man</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The morphologies and optoelectronic properties of delafossite CuFeO2 thin films prepared by PEG assisted sol–gel method</atitle><jtitle>Journal of sol-gel science and technology</jtitle><stitle>J Sol-Gel Sci Technol</stitle><date>2014-08-01</date><risdate>2014</risdate><volume>71</volume><issue>2</issue><spage>297</spage><epage>302</epage><pages>297-302</pages><issn>0928-0707</issn><eissn>1573-4846</eissn><abstract>Single phase delafossite CuFeO
2
thin films were synthesized by a simple sol–gel method. The influence of polyethylene glycol (PEG) on the morphology and optoelectronic properties of the films was studied by addition of 1.0 g PEG in 10 ml precursor solution. The crystal sizes of the derived CuFeO
2
films with and without addition of PEG were 49 nm, but the sample with addition of PEG (labeled as CFO-PEG) showed weaker c-axis orientation growth. The sample without addition of PEG (labeled as CFO) showed a compact surface without detectable pores and had a thickness around 50 nm. However, the sample CFO-PEG exhibited a porous surface with worm-like grains in nanometric scale and had a thickness around 310 nm. Enhanced absorbance in UV–vis region was observed for the sample CFO-PEG which might ascribe to both the thickness and porous surface. The optical direct bandgaps at near-UV were estimated to be ~3.0 and 3.38 eV for the sample CFO-PEG and CFO, respectively. Though the porous surface of CFO-PEG has improved the absorbance in UV–vis region, the resistivity has also been increased due to the homogeneous distribution of interspaces between the worm-like grains, which makes the incident photon to current efficiency of CFO-PEG lower than that of CFO.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10971-014-3369-6</doi><tpages>6</tpages></addata></record> |
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| subjects | Absorbance Ceramics Chemistry Chemistry and Materials Science Colloidal gels. Colloidal sols Colloidal state and disperse state Composites Current efficiency Exact sciences and technology General and physical chemistry Glass Grains Inorganic Chemistry Materials Science Morphology Nanotechnology Natural Materials Optical and Electronic Materials Optoelectronics Original Paper Polyethylene glycol Sol-gel processes Thickness Thin films |
| title | The morphologies and optoelectronic properties of delafossite CuFeO2 thin films prepared by PEG assisted sol–gel method |
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