Enhanced deep-red emission from Mn4+/Mg2+ co-doped CaGdAlO4 phosphors for plant cultivation
Mn4+-Doped oxide phosphors are under intensive investigation owing to their low manufacture cost and attractive luminescent features for indoor plant cultivation applications. However, it is still a challenge to develop Mn4+-doped oxides with high luminescence efficiency and thermal stability. Herei...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2019-02, Vol.48 (7), p.2455-2466 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
| container_volume | 48 |
| creator | Hu, Jianxu Huang, Tinghong Zhang, Yuanpeng Lu, Bin Ye, Huanqing Chen, Baojiu Xia, Haiping Ji, Changyan |
| description | Mn4+-Doped oxide phosphors are under intensive investigation owing to their low manufacture cost and attractive luminescent features for indoor plant cultivation applications. However, it is still a challenge to develop Mn4+-doped oxides with high luminescence efficiency and thermal stability. Herein, Mn4+–Mg2+ pairs are incorporated into a CaGdAlO4 host to reduce non-radiative channels formed by Mn4+–Mn4+–O2− clusters. The photoluminescence and quantum efficiency are significantly enhanced after the introduction of Mg2+ ions to the host. A prolonged Mn4+ decay time is also obtained from the Mn4+/Mg2+ co-doped samples. Intense red emission with a narrow peak at 712 nm due to the 2Eg → 4A2g transition of Mn4+ ions is observed under 335 nm excitation. LEDs fabricated by coating the synthesized phosphor on a 365 nm near-UV chip exhibit an intense deep-red emission with CIE chromaticity coordinates of (0.712, 0.285). The results indicate Mn4+/Mg2+ co-doped CaGdAlO4 phosphors may be applicable to plant cultivation fields. |
| doi_str_mv | 10.1039/c8dt04955f |
| format | Article |
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However, it is still a challenge to develop Mn4+-doped oxides with high luminescence efficiency and thermal stability. Herein, Mn4+–Mg2+ pairs are incorporated into a CaGdAlO4 host to reduce non-radiative channels formed by Mn4+–Mn4+–O2− clusters. The photoluminescence and quantum efficiency are significantly enhanced after the introduction of Mg2+ ions to the host. A prolonged Mn4+ decay time is also obtained from the Mn4+/Mg2+ co-doped samples. Intense red emission with a narrow peak at 712 nm due to the 2Eg → 4A2g transition of Mn4+ ions is observed under 335 nm excitation. LEDs fabricated by coating the synthesized phosphor on a 365 nm near-UV chip exhibit an intense deep-red emission with CIE chromaticity coordinates of (0.712, 0.285). The results indicate Mn4+/Mg2+ co-doped CaGdAlO4 phosphors may be applicable to plant cultivation fields.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/c8dt04955f</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Chromaticity ; Cultivation ; Emission spectra ; Manganese ions ; Phosphors ; Photoluminescence ; Quantum efficiency ; Thermal stability</subject><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2019-02, Vol.48 (7), p.2455-2466</ispartof><rights>Copyright Royal Society of Chemistry 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27928,27929</link.rule.ids></links><search><creatorcontrib>Hu, Jianxu</creatorcontrib><creatorcontrib>Huang, Tinghong</creatorcontrib><creatorcontrib>Zhang, Yuanpeng</creatorcontrib><creatorcontrib>Lu, Bin</creatorcontrib><creatorcontrib>Ye, Huanqing</creatorcontrib><creatorcontrib>Chen, Baojiu</creatorcontrib><creatorcontrib>Xia, Haiping</creatorcontrib><creatorcontrib>Ji, Changyan</creatorcontrib><title>Enhanced deep-red emission from Mn4+/Mg2+ co-doped CaGdAlO4 phosphors for plant cultivation</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>Mn4+-Doped oxide phosphors are under intensive investigation owing to their low manufacture cost and attractive luminescent features for indoor plant cultivation applications. However, it is still a challenge to develop Mn4+-doped oxides with high luminescence efficiency and thermal stability. Herein, Mn4+–Mg2+ pairs are incorporated into a CaGdAlO4 host to reduce non-radiative channels formed by Mn4+–Mn4+–O2− clusters. The photoluminescence and quantum efficiency are significantly enhanced after the introduction of Mg2+ ions to the host. A prolonged Mn4+ decay time is also obtained from the Mn4+/Mg2+ co-doped samples. Intense red emission with a narrow peak at 712 nm due to the 2Eg → 4A2g transition of Mn4+ ions is observed under 335 nm excitation. LEDs fabricated by coating the synthesized phosphor on a 365 nm near-UV chip exhibit an intense deep-red emission with CIE chromaticity coordinates of (0.712, 0.285). The results indicate Mn4+/Mg2+ co-doped CaGdAlO4 phosphors may be applicable to plant cultivation fields.</description><subject>Chromaticity</subject><subject>Cultivation</subject><subject>Emission spectra</subject><subject>Manganese ions</subject><subject>Phosphors</subject><subject>Photoluminescence</subject><subject>Quantum efficiency</subject><subject>Thermal stability</subject><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpdj0tLAzEUhYMoWKsbf0HAjVDG5nEzmSxLqVVo6UZXLkqedsp0Mk5m_P1GFBcuLucsPg7fReiWkgdKuJrbyg0ElBDhDE0oSFkoxuH8r7PyEl2ldCSEMSLYBL2t2oNurXfYed8VfS7-VKdUxxaHPp7wtoXZfPvOZtjGwsUuA0u9dotmB7g7xJSvTzjEHneNbgdsx2aoP_WQB67RRdBN8je_OUWvj6uX5VOx2a2fl4tN0VEoh0JwagCk1lmeawtGW6OYUKXRJnhpWWBeUsoNE8ToygntKl2K4A01BgLwKbr_2e36-DH6NOzzB9Y32cfHMe0ZlQoACCkzevcPPcaxb7PdN1UJxSUw_gXGLWJC</recordid><startdate>20190221</startdate><enddate>20190221</enddate><creator>Hu, Jianxu</creator><creator>Huang, Tinghong</creator><creator>Zhang, Yuanpeng</creator><creator>Lu, Bin</creator><creator>Ye, Huanqing</creator><creator>Chen, Baojiu</creator><creator>Xia, Haiping</creator><creator>Ji, Changyan</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20190221</creationdate><title>Enhanced deep-red emission from Mn4+/Mg2+ co-doped CaGdAlO4 phosphors for plant cultivation</title><author>Hu, Jianxu ; Huang, Tinghong ; Zhang, Yuanpeng ; Lu, Bin ; Ye, Huanqing ; Chen, Baojiu ; Xia, Haiping ; Ji, Changyan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p146t-531b447aac8d3ac4bacb92596babfe7c2f2e7113b250ba8d5ad8a65feb1bb4f43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Chromaticity</topic><topic>Cultivation</topic><topic>Emission spectra</topic><topic>Manganese ions</topic><topic>Phosphors</topic><topic>Photoluminescence</topic><topic>Quantum efficiency</topic><topic>Thermal stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Jianxu</creatorcontrib><creatorcontrib>Huang, Tinghong</creatorcontrib><creatorcontrib>Zhang, Yuanpeng</creatorcontrib><creatorcontrib>Lu, Bin</creatorcontrib><creatorcontrib>Ye, Huanqing</creatorcontrib><creatorcontrib>Chen, Baojiu</creatorcontrib><creatorcontrib>Xia, Haiping</creatorcontrib><creatorcontrib>Ji, Changyan</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Jianxu</au><au>Huang, Tinghong</au><au>Zhang, Yuanpeng</au><au>Lu, Bin</au><au>Ye, Huanqing</au><au>Chen, Baojiu</au><au>Xia, Haiping</au><au>Ji, Changyan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced deep-red emission from Mn4+/Mg2+ co-doped CaGdAlO4 phosphors for plant cultivation</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><date>2019-02-21</date><risdate>2019</risdate><volume>48</volume><issue>7</issue><spage>2455</spage><epage>2466</epage><pages>2455-2466</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>Mn4+-Doped oxide phosphors are under intensive investigation owing to their low manufacture cost and attractive luminescent features for indoor plant cultivation applications. However, it is still a challenge to develop Mn4+-doped oxides with high luminescence efficiency and thermal stability. Herein, Mn4+–Mg2+ pairs are incorporated into a CaGdAlO4 host to reduce non-radiative channels formed by Mn4+–Mn4+–O2− clusters. The photoluminescence and quantum efficiency are significantly enhanced after the introduction of Mg2+ ions to the host. A prolonged Mn4+ decay time is also obtained from the Mn4+/Mg2+ co-doped samples. Intense red emission with a narrow peak at 712 nm due to the 2Eg → 4A2g transition of Mn4+ ions is observed under 335 nm excitation. LEDs fabricated by coating the synthesized phosphor on a 365 nm near-UV chip exhibit an intense deep-red emission with CIE chromaticity coordinates of (0.712, 0.285). The results indicate Mn4+/Mg2+ co-doped CaGdAlO4 phosphors may be applicable to plant cultivation fields.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c8dt04955f</doi><tpages>12</tpages></addata></record> |
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| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2019-02, Vol.48 (7), p.2455-2466 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Chromaticity Cultivation Emission spectra Manganese ions Phosphors Photoluminescence Quantum efficiency Thermal stability |
| title | Enhanced deep-red emission from Mn4+/Mg2+ co-doped CaGdAlO4 phosphors for plant cultivation |
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