Coprecipitation synthesis of Ca14Al10Zn6O35:Mn4+ deep‐red phosphor and silica‐modified waterproofing ability
Ca14Al10Zn6O35:Mn4+ (CAZ:Mn) phosphor material, which shows deep‐red luminescence, was synthesized by the coprecipitation (COP) method using a Na2CO3/NaOH solution as the precipitant. COP–CAZ:Mn phosphor exhibited a 2.1 times higher luminescence intensity than the corresponding phosphor prepared usi...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2023-02, Vol.106 (2), p.1149-1158 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Nakagawa, Ayu Nakabayashi, Hirotoshi Nishiwaki, Yoshinori Ogo, Shuhei Ueda, Tadaharu Hasegawa, Takuya |
| description | Ca14Al10Zn6O35:Mn4+ (CAZ:Mn) phosphor material, which shows deep‐red luminescence, was synthesized by the coprecipitation (COP) method using a Na2CO3/NaOH solution as the precipitant. COP–CAZ:Mn phosphor exhibited a 2.1 times higher luminescence intensity than the corresponding phosphor prepared using the conventional solid‐state reaction (SSR) method. This substantial increase in luminescence was mainly ascribed to the existence of a greater proportion of tetravalent manganese in COP–CAZ:Mn phosphor. Furthermore, COP–CAZ:Mn phosphor was modified with SiO2 via hydrolysis of tetraethoxysilane (TEOS) to waterproof the compound because it is easily decomposed through hydrolysis under humid conditions. The SiO2‐modified CAZ:Mn phosphor maintained its crystal structure and high photoluminescence intensity after the water‐resistance test. Therefore, waterproof CAZ:Mn phosphor with a high luminescence intensity was successfully discovered by utilizing the coprecipitation method and SiO2 modification. |
| doi_str_mv | 10.1111/jace.18831 |
| format | Article |
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COP–CAZ:Mn phosphor exhibited a 2.1 times higher luminescence intensity than the corresponding phosphor prepared using the conventional solid‐state reaction (SSR) method. This substantial increase in luminescence was mainly ascribed to the existence of a greater proportion of tetravalent manganese in COP–CAZ:Mn phosphor. Furthermore, COP–CAZ:Mn phosphor was modified with SiO2 via hydrolysis of tetraethoxysilane (TEOS) to waterproof the compound because it is easily decomposed through hydrolysis under humid conditions. The SiO2‐modified CAZ:Mn phosphor maintained its crystal structure and high photoluminescence intensity after the water‐resistance test. Therefore, waterproof CAZ:Mn phosphor with a high luminescence intensity was successfully discovered by utilizing the coprecipitation method and SiO2 modification.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.18831</identifier><language>eng</language><publisher>Columbus: Wiley Subscription Services, Inc</publisher><subject>Coprecipitation ; Crystal structure ; Hydrolysis ; Luminescence ; Manganese ; manganese/manganese compo ; Phosphors ; Photoluminescence ; Silicon dioxide ; Tetraethyl orthosilicate ; Waterproofing</subject><ispartof>Journal of the American Ceramic Society, 2023-02, Vol.106 (2), p.1149-1158</ispartof><rights>2022 The American Ceramic Society.</rights><rights>2023 The American Ceramic Society.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-6170-5632</orcidid></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.18831$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.18831$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Nakagawa, Ayu</creatorcontrib><creatorcontrib>Nakabayashi, Hirotoshi</creatorcontrib><creatorcontrib>Nishiwaki, Yoshinori</creatorcontrib><creatorcontrib>Ogo, Shuhei</creatorcontrib><creatorcontrib>Ueda, Tadaharu</creatorcontrib><creatorcontrib>Hasegawa, Takuya</creatorcontrib><title>Coprecipitation synthesis of Ca14Al10Zn6O35:Mn4+ deep‐red phosphor and silica‐modified waterproofing ability</title><title>Journal of the American Ceramic Society</title><description>Ca14Al10Zn6O35:Mn4+ (CAZ:Mn) phosphor material, which shows deep‐red luminescence, was synthesized by the coprecipitation (COP) method using a Na2CO3/NaOH solution as the precipitant. COP–CAZ:Mn phosphor exhibited a 2.1 times higher luminescence intensity than the corresponding phosphor prepared using the conventional solid‐state reaction (SSR) method. This substantial increase in luminescence was mainly ascribed to the existence of a greater proportion of tetravalent manganese in COP–CAZ:Mn phosphor. Furthermore, COP–CAZ:Mn phosphor was modified with SiO2 via hydrolysis of tetraethoxysilane (TEOS) to waterproof the compound because it is easily decomposed through hydrolysis under humid conditions. The SiO2‐modified CAZ:Mn phosphor maintained its crystal structure and high photoluminescence intensity after the water‐resistance test. Therefore, waterproof CAZ:Mn phosphor with a high luminescence intensity was successfully discovered by utilizing the coprecipitation method and SiO2 modification.</description><subject>Coprecipitation</subject><subject>Crystal structure</subject><subject>Hydrolysis</subject><subject>Luminescence</subject><subject>Manganese</subject><subject>manganese/manganese compo</subject><subject>Phosphors</subject><subject>Photoluminescence</subject><subject>Silicon dioxide</subject><subject>Tetraethyl orthosilicate</subject><subject>Waterproofing</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNotkM9OwzAMxiMEEmNw4QkicUQdcZq0KbepGv80tAtcuERpm7BUXVOaTlNvPALPyJOQbViybOv7ZFs_hK6BzCDEXa1KPQMhYjhBE-AcIppBcoomhBAapYKSc3ThfR1GyASboC53Xa9L29lBDda12I_tsNbeeuwMzhWweQPko01WMb9_bdktrrTufr9_el3hbu18yB6rtsLeNrZUQdm4yhob5J0adN_1zhnbfmJVBMMwXqIzoxqvr_7rFL0_LN7yp2i5enzO58uophQgSjKWViZjJlVFokGAiAujOYkTwgpNTEJIxUuSUs4EgM4UyeJSVaoUidCsLOIpujnuDQ98bbUfZO22fRtOSpqyNGOUEx5ccHTtbKNH2fV2o_pRApF7nHKPUx5wypd5vjh08R9ir2xe</recordid><startdate>202302</startdate><enddate>202302</enddate><creator>Nakagawa, Ayu</creator><creator>Nakabayashi, Hirotoshi</creator><creator>Nishiwaki, Yoshinori</creator><creator>Ogo, Shuhei</creator><creator>Ueda, Tadaharu</creator><creator>Hasegawa, Takuya</creator><general>Wiley Subscription Services, Inc</general><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-6170-5632</orcidid></search><sort><creationdate>202302</creationdate><title>Coprecipitation synthesis of Ca14Al10Zn6O35:Mn4+ deep‐red phosphor and silica‐modified waterproofing ability</title><author>Nakagawa, Ayu ; Nakabayashi, Hirotoshi ; Nishiwaki, Yoshinori ; Ogo, Shuhei ; Ueda, Tadaharu ; Hasegawa, Takuya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j2211-6947df94f7ab6e18183bfe503604be0f600d5c07254811e9a093cadac868e4cb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Coprecipitation</topic><topic>Crystal structure</topic><topic>Hydrolysis</topic><topic>Luminescence</topic><topic>Manganese</topic><topic>manganese/manganese compo</topic><topic>Phosphors</topic><topic>Photoluminescence</topic><topic>Silicon dioxide</topic><topic>Tetraethyl orthosilicate</topic><topic>Waterproofing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nakagawa, Ayu</creatorcontrib><creatorcontrib>Nakabayashi, Hirotoshi</creatorcontrib><creatorcontrib>Nishiwaki, Yoshinori</creatorcontrib><creatorcontrib>Ogo, Shuhei</creatorcontrib><creatorcontrib>Ueda, Tadaharu</creatorcontrib><creatorcontrib>Hasegawa, Takuya</creatorcontrib><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>Nakagawa, Ayu</au><au>Nakabayashi, Hirotoshi</au><au>Nishiwaki, Yoshinori</au><au>Ogo, Shuhei</au><au>Ueda, Tadaharu</au><au>Hasegawa, Takuya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coprecipitation synthesis of Ca14Al10Zn6O35:Mn4+ deep‐red phosphor and silica‐modified waterproofing ability</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2023-02</date><risdate>2023</risdate><volume>106</volume><issue>2</issue><spage>1149</spage><epage>1158</epage><pages>1149-1158</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>Ca14Al10Zn6O35:Mn4+ (CAZ:Mn) phosphor material, which shows deep‐red luminescence, was synthesized by the coprecipitation (COP) method using a Na2CO3/NaOH solution as the precipitant. COP–CAZ:Mn phosphor exhibited a 2.1 times higher luminescence intensity than the corresponding phosphor prepared using the conventional solid‐state reaction (SSR) method. This substantial increase in luminescence was mainly ascribed to the existence of a greater proportion of tetravalent manganese in COP–CAZ:Mn phosphor. Furthermore, COP–CAZ:Mn phosphor was modified with SiO2 via hydrolysis of tetraethoxysilane (TEOS) to waterproof the compound because it is easily decomposed through hydrolysis under humid conditions. The SiO2‐modified CAZ:Mn phosphor maintained its crystal structure and high photoluminescence intensity after the water‐resistance test. Therefore, waterproof CAZ:Mn phosphor with a high luminescence intensity was successfully discovered by utilizing the coprecipitation method and SiO2 modification.</abstract><cop>Columbus</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/jace.18831</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-6170-5632</orcidid></addata></record> |
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| subjects | Coprecipitation Crystal structure Hydrolysis Luminescence Manganese manganese/manganese compo Phosphors Photoluminescence Silicon dioxide Tetraethyl orthosilicate Waterproofing |
| title | Coprecipitation synthesis of Ca14Al10Zn6O35:Mn4+ deep‐red phosphor and silica‐modified waterproofing ability |
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