Performance improvement by alumina coatings on YAlO:Ce phosphor powder deposited using atomic layer deposition in a fluidized bed reactor
To improve the thermal stability, Al 2 O 3 has been successfully coated on a Y 3 Al 5 O 12 :Ce 3+ (YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor. Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray spectroscopy (EDX) analys...
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| Veröffentlicht in: | RSC advances 2016-08, Vol.6 (8), p.76454-76462 |
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| container_title | RSC advances |
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| creator | Zhou, Zhi Zhou, Nan Lu, Xiangyang Kate, Melvin ten Valdesueiro, David Ruud van Ommen, J Hintzen, H. T. (Bert) |
| description | To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor. Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray spectroscopy (EDX) analysis indicate that coating an Al
2
O
3
thin layer by ALD is highly feasible. The luminescence properties (such as excitation and emission as well as quantum efficiency and UV-absorption of the coated YAG:Ce phosphor) were systematically analysed, with the further examination of the thermal resistance characteristics. The Al
2
O
3
thin layer coating with precisely controlled thickness by ALD can obviously improve the luminescence intensity and greatly enhances the thermal stability of the YAG:Ce phosphor. It is suggested that the alumina coating with tailoring thickness seems not only to act like a barrier to decrease the thermal quenching, but also as a great help to promote the light absorption and transfer.
To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor. |
| doi_str_mv | 10.1039/c6ra12983h |
| format | Article |
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2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor. Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray spectroscopy (EDX) analysis indicate that coating an Al
2
O
3
thin layer by ALD is highly feasible. The luminescence properties (such as excitation and emission as well as quantum efficiency and UV-absorption of the coated YAG:Ce phosphor) were systematically analysed, with the further examination of the thermal resistance characteristics. The Al
2
O
3
thin layer coating with precisely controlled thickness by ALD can obviously improve the luminescence intensity and greatly enhances the thermal stability of the YAG:Ce phosphor. It is suggested that the alumina coating with tailoring thickness seems not only to act like a barrier to decrease the thermal quenching, but also as a great help to promote the light absorption and transfer.
To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor.</description><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c6ra12983h</identifier><ispartof>RSC advances, 2016-08, Vol.6 (8), p.76454-76462</ispartof><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>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Zhou, Zhi</creatorcontrib><creatorcontrib>Zhou, Nan</creatorcontrib><creatorcontrib>Lu, Xiangyang</creatorcontrib><creatorcontrib>Kate, Melvin ten</creatorcontrib><creatorcontrib>Valdesueiro, David</creatorcontrib><creatorcontrib>Ruud van Ommen, J</creatorcontrib><creatorcontrib>Hintzen, H. T. (Bert)</creatorcontrib><title>Performance improvement by alumina coatings on YAlO:Ce phosphor powder deposited using atomic layer deposition in a fluidized bed reactor</title><title>RSC advances</title><description>To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor. Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray spectroscopy (EDX) analysis indicate that coating an Al
2
O
3
thin layer by ALD is highly feasible. The luminescence properties (such as excitation and emission as well as quantum efficiency and UV-absorption of the coated YAG:Ce phosphor) were systematically analysed, with the further examination of the thermal resistance characteristics. The Al
2
O
3
thin layer coating with precisely controlled thickness by ALD can obviously improve the luminescence intensity and greatly enhances the thermal stability of the YAG:Ce phosphor. It is suggested that the alumina coating with tailoring thickness seems not only to act like a barrier to decrease the thermal quenching, but also as a great help to promote the light absorption and transfer.
To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor.</description><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFj71KBEEQhAdBuEMvMRf6BU5ndnVxzeRQzDQwMTr6ZnvvWuaPnlllfQPf2gmECy0oKviqglLqwugro9v-2naCpunv2sOJWjb6pls3uusXapXzh67qbk3TmaX6eSUZo3gMloB9kvhJnkKB3QzoJs8BwUYsHPYZYoD3B_dyvyFIh5irBVL8GkhgoBQzFxpgyrULWKJnCw7nI-S65wAIo5t44O9a3lULoS1RztXpiC7T6i_P1OXT49vmeS3ZbpOwR5m3x1vtf_wXTY9VjQ</recordid><startdate>20160812</startdate><enddate>20160812</enddate><creator>Zhou, Zhi</creator><creator>Zhou, Nan</creator><creator>Lu, Xiangyang</creator><creator>Kate, Melvin ten</creator><creator>Valdesueiro, David</creator><creator>Ruud van Ommen, J</creator><creator>Hintzen, H. T. (Bert)</creator><scope/></search><sort><creationdate>20160812</creationdate><title>Performance improvement by alumina coatings on YAlO:Ce phosphor powder deposited using atomic layer deposition in a fluidized bed reactor</title><author>Zhou, Zhi ; Zhou, Nan ; Lu, Xiangyang ; Kate, Melvin ten ; Valdesueiro, David ; Ruud van Ommen, J ; Hintzen, H. T. (Bert)</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c6ra12983h3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2016</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Zhi</creatorcontrib><creatorcontrib>Zhou, Nan</creatorcontrib><creatorcontrib>Lu, Xiangyang</creatorcontrib><creatorcontrib>Kate, Melvin ten</creatorcontrib><creatorcontrib>Valdesueiro, David</creatorcontrib><creatorcontrib>Ruud van Ommen, J</creatorcontrib><creatorcontrib>Hintzen, H. T. (Bert)</creatorcontrib><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Zhi</au><au>Zhou, Nan</au><au>Lu, Xiangyang</au><au>Kate, Melvin ten</au><au>Valdesueiro, David</au><au>Ruud van Ommen, J</au><au>Hintzen, H. T. (Bert)</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance improvement by alumina coatings on YAlO:Ce phosphor powder deposited using atomic layer deposition in a fluidized bed reactor</atitle><jtitle>RSC advances</jtitle><date>2016-08-12</date><risdate>2016</risdate><volume>6</volume><issue>8</issue><spage>76454</spage><epage>76462</epage><pages>76454-76462</pages><eissn>2046-2069</eissn><abstract>To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor. Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray spectroscopy (EDX) analysis indicate that coating an Al
2
O
3
thin layer by ALD is highly feasible. The luminescence properties (such as excitation and emission as well as quantum efficiency and UV-absorption of the coated YAG:Ce phosphor) were systematically analysed, with the further examination of the thermal resistance characteristics. The Al
2
O
3
thin layer coating with precisely controlled thickness by ALD can obviously improve the luminescence intensity and greatly enhances the thermal stability of the YAG:Ce phosphor. It is suggested that the alumina coating with tailoring thickness seems not only to act like a barrier to decrease the thermal quenching, but also as a great help to promote the light absorption and transfer.
To improve the thermal stability, Al
2
O
3
has been successfully coated on a Y
3
Al
5
O
12
:Ce
3+
(YAG:Ce) phosphor powder host by using the Atomic Layer Deposition (ALD) approach in a fluidized bed reactor.</abstract><doi>10.1039/c6ra12983h</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2046-2069 |
| ispartof | RSC advances, 2016-08, Vol.6 (8), p.76454-76462 |
| issn | 2046-2069 |
| language | |
| recordid | cdi_rsc_primary_c6ra12983h |
| source | Royal Society Of Chemistry Journals 2008- |
| title | Performance improvement by alumina coatings on YAlO:Ce phosphor powder deposited using atomic layer deposition in a fluidized bed reactor |
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