White Luminescence from Sol-Gel-Derived SiOC Thin Films
A new approach to obtain visible luminescence from sol–gel‐derived SiOC films is proposed. In order to investigate the influence of Si and C content, Si‐ and C‐rich SiOC films were prepared as well as stoichiometric SiOC films. High intense white luminescence is obtained where the emission color can...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2009-12, Vol.92 (12), p.2969-2974 |
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| container_issue | 12 |
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| container_title | Journal of the American Ceramic Society |
| container_volume | 92 |
| creator | Karakuscu, Aylin Guider, Romain Pavesi, Lorenzo Sorarù, Gian D. |
| description | A new approach to obtain visible luminescence from sol–gel‐derived SiOC films is proposed. In order to investigate the influence of Si and C content, Si‐ and C‐rich SiOC films were prepared as well as stoichiometric SiOC films. High intense white luminescence is obtained where the emission color can be controlled by the experimental parameters such as the starting sol–gel‐composition and the pyrolysis temperature. In stoichiometric SiOC films, low pyrolysis temperature yields UV‐blue luminescence, whereas high temperatures favor green‐yellow luminescence. On the contrary, in Si‐rich SiOC films, intense white luminescence is obtained with a broad emission from 430 to 900 nm and an external quantum efficiency (EQE) of 11.5%. Relatively, stoichiometric SiOC films showed an EQE of 5%. Finally, C‐rich SiOC films did not show noticeable luminescence due to absorption by carbon clusters. |
| doi_str_mv | 10.1111/j.1551-2916.2009.03343.x |
| format | Article |
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In order to investigate the influence of Si and C content, Si‐ and C‐rich SiOC films were prepared as well as stoichiometric SiOC films. High intense white luminescence is obtained where the emission color can be controlled by the experimental parameters such as the starting sol–gel‐composition and the pyrolysis temperature. In stoichiometric SiOC films, low pyrolysis temperature yields UV‐blue luminescence, whereas high temperatures favor green‐yellow luminescence. On the contrary, in Si‐rich SiOC films, intense white luminescence is obtained with a broad emission from 430 to 900 nm and an external quantum efficiency (EQE) of 11.5%. Relatively, stoichiometric SiOC films showed an EQE of 5%. Finally, C‐rich SiOC films did not show noticeable luminescence due to absorption by carbon clusters.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1551-2916.2009.03343.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Carbon ; Ceramics ; Colour ; Emission ; Luminescence ; Materials science ; Pyrolysis ; Silicon dioxide ; Solid solutions ; Thin films</subject><ispartof>Journal of the American Ceramic Society, 2009-12, Vol.92 (12), p.2969-2974</ispartof><rights>2009 The American Ceramic Society</rights><rights>Copyright American Ceramic Society Dec 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4783-d308b85a167827a87b07a88fe856be80aab7f87d69aac823a63ce4f77d2756dc3</citedby><cites>FETCH-LOGICAL-c4783-d308b85a167827a87b07a88fe856be80aab7f87d69aac823a63ce4f77d2756dc3</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%2Fj.1551-2916.2009.03343.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1551-2916.2009.03343.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Karakuscu, Aylin</creatorcontrib><creatorcontrib>Guider, Romain</creatorcontrib><creatorcontrib>Pavesi, Lorenzo</creatorcontrib><creatorcontrib>Sorarù, Gian D.</creatorcontrib><title>White Luminescence from Sol-Gel-Derived SiOC Thin Films</title><title>Journal of the American Ceramic Society</title><description>A new approach to obtain visible luminescence from sol–gel‐derived SiOC films is proposed. In order to investigate the influence of Si and C content, Si‐ and C‐rich SiOC films were prepared as well as stoichiometric SiOC films. High intense white luminescence is obtained where the emission color can be controlled by the experimental parameters such as the starting sol–gel‐composition and the pyrolysis temperature. In stoichiometric SiOC films, low pyrolysis temperature yields UV‐blue luminescence, whereas high temperatures favor green‐yellow luminescence. On the contrary, in Si‐rich SiOC films, intense white luminescence is obtained with a broad emission from 430 to 900 nm and an external quantum efficiency (EQE) of 11.5%. Relatively, stoichiometric SiOC films showed an EQE of 5%. Finally, C‐rich SiOC films did not show noticeable luminescence due to absorption by carbon clusters.</description><subject>Carbon</subject><subject>Ceramics</subject><subject>Colour</subject><subject>Emission</subject><subject>Luminescence</subject><subject>Materials science</subject><subject>Pyrolysis</subject><subject>Silicon dioxide</subject><subject>Solid solutions</subject><subject>Thin films</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkElPwzAQhS0EEmX5DxEXTgle4iUnhFJalooeWsRx5CaOcMhS7BbKv8dtEQdO-DAea957Hn0IRQQnJJyrOiGck5hmRCQU4yzBjKUs2Rygwe_gEA0wxjSWiuJjdOJ9HZ4kU-kAyZdXuzLRZN3azvjCdIWJKte30axv4rFp4qFx9sOU0cxO82j-artoZJvWn6GjSjfenP_cp-h5dDvP7-LJdHyf30ziIpWKxSXDaqG4JiL8LbWSCxyqqoziYmEU1nohKyVLkWldKMq0YIVJKylLKrkoC3aKLve5S9e_r41fQWvDmk2jO9OvPUjOJONCyaC8-KOs-7XrwnJAiVQZFikNIrUXFa733pkKls622n0BwbDlCTVsscEWG2x5wo4nbIL1em_9tI35-rcPHm7y210fEuJ9gvUrs_lN0O4NhGSSw8vTGIYsfcxGlANh3_6siEA</recordid><startdate>200912</startdate><enddate>200912</enddate><creator>Karakuscu, Aylin</creator><creator>Guider, Romain</creator><creator>Pavesi, Lorenzo</creator><creator>Sorarù, Gian D.</creator><general>Blackwell Publishing Inc</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>200912</creationdate><title>White Luminescence from Sol-Gel-Derived SiOC Thin Films</title><author>Karakuscu, Aylin ; Guider, Romain ; Pavesi, Lorenzo ; Sorarù, Gian D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4783-d308b85a167827a87b07a88fe856be80aab7f87d69aac823a63ce4f77d2756dc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Carbon</topic><topic>Ceramics</topic><topic>Colour</topic><topic>Emission</topic><topic>Luminescence</topic><topic>Materials science</topic><topic>Pyrolysis</topic><topic>Silicon dioxide</topic><topic>Solid solutions</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Karakuscu, Aylin</creatorcontrib><creatorcontrib>Guider, Romain</creatorcontrib><creatorcontrib>Pavesi, Lorenzo</creatorcontrib><creatorcontrib>Sorarù, Gian D.</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>Karakuscu, Aylin</au><au>Guider, Romain</au><au>Pavesi, Lorenzo</au><au>Sorarù, Gian D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>White Luminescence from Sol-Gel-Derived SiOC Thin Films</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2009-12</date><risdate>2009</risdate><volume>92</volume><issue>12</issue><spage>2969</spage><epage>2974</epage><pages>2969-2974</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>A new approach to obtain visible luminescence from sol–gel‐derived SiOC films is proposed. In order to investigate the influence of Si and C content, Si‐ and C‐rich SiOC films were prepared as well as stoichiometric SiOC films. High intense white luminescence is obtained where the emission color can be controlled by the experimental parameters such as the starting sol–gel‐composition and the pyrolysis temperature. In stoichiometric SiOC films, low pyrolysis temperature yields UV‐blue luminescence, whereas high temperatures favor green‐yellow luminescence. On the contrary, in Si‐rich SiOC films, intense white luminescence is obtained with a broad emission from 430 to 900 nm and an external quantum efficiency (EQE) of 11.5%. Relatively, stoichiometric SiOC films showed an EQE of 5%. Finally, C‐rich SiOC films did not show noticeable luminescence due to absorption by carbon clusters.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><doi>10.1111/j.1551-2916.2009.03343.x</doi><tpages>6</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Carbon Ceramics Colour Emission Luminescence Materials science Pyrolysis Silicon dioxide Solid solutions Thin films |
| title | White Luminescence from Sol-Gel-Derived SiOC Thin Films |
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