Studies on thermoluminescence properties of alkaline earth silicate phosphors
In this paper we report the Thermoluminescence behaviour of Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process. The prepared phosphors were characterized by the X-ray powder diffraction (XRD) method. The Thermoluminescence (TL) behaviour is studied for the 254 nm ultra v...
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| Veröffentlicht in: | Journal of alloys and compounds 2018-02, Vol.735, p.1383-1388 |
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| container_title | Journal of alloys and compounds |
| container_volume | 735 |
| creator | Dewangan, Pradeep Bisen, D.P. Brahme, Nameeta Tamrakar, Raunak Kumar Upadhyay, Kanchan Sharma, Shweta Sahu, Ishwar Prasad |
| description | In this paper we report the Thermoluminescence behaviour of Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process. The prepared phosphors were characterized by the X-ray powder diffraction (XRD) method. The Thermoluminescence (TL) behaviour is studied for the 254 nm ultra violet (UV) exposure. The TL glow curve has dual peaks at 70 °C and 213 °C. All the TL parameters such as UV exposure time, dopant concentration, heating rate etc were optimized. The maximum TL intensity was found for 30 min UV exposure, 2.0 mol% Dy3+ Concentration and at 4 °C s−1 heating rate. The Kinetic parameters namely, activation energy (E), order of kinetics (b) and frequency factor (s) of Sr3MgSi2O8:Dy3+ sample have been determined using Chen's method for the deconvoluted glow curve.
•Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process.•TL glow curve recorded under 254 nm UV excitation.•TL glow curve contains dual peak at 70 °C and 213 °C.•Phosphor shows both persistent and dosimetric TL glow peaks. |
| doi_str_mv | 10.1016/j.jallcom.2017.11.293 |
| format | Article |
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•Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process.•TL glow curve recorded under 254 nm UV excitation.•TL glow curve contains dual peak at 70 °C and 213 °C.•Phosphor shows both persistent and dosimetric TL glow peaks.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2017.11.293</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Chemical synthesis ; Diffraction ; Exposure ; Heating ; Heating rate ; Kinetics ; Parameters ; Phosphors ; Reaction kinetics ; Sr3MgSi2O8 ; Thermoluminescence ; Ultraviolet radiation ; X ray powder diffraction ; XRD</subject><ispartof>Journal of alloys and compounds, 2018-02, Vol.735, p.1383-1388</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 25, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-6b860483be92e52707438dd20766c1521f84e7908ee022eadb6277d5a3860403</citedby><cites>FETCH-LOGICAL-c374t-6b860483be92e52707438dd20766c1521f84e7908ee022eadb6277d5a3860403</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2017.11.293$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Dewangan, Pradeep</creatorcontrib><creatorcontrib>Bisen, D.P.</creatorcontrib><creatorcontrib>Brahme, Nameeta</creatorcontrib><creatorcontrib>Tamrakar, Raunak Kumar</creatorcontrib><creatorcontrib>Upadhyay, Kanchan</creatorcontrib><creatorcontrib>Sharma, Shweta</creatorcontrib><creatorcontrib>Sahu, Ishwar Prasad</creatorcontrib><title>Studies on thermoluminescence properties of alkaline earth silicate phosphors</title><title>Journal of alloys and compounds</title><description>In this paper we report the Thermoluminescence behaviour of Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process. The prepared phosphors were characterized by the X-ray powder diffraction (XRD) method. The Thermoluminescence (TL) behaviour is studied for the 254 nm ultra violet (UV) exposure. The TL glow curve has dual peaks at 70 °C and 213 °C. All the TL parameters such as UV exposure time, dopant concentration, heating rate etc were optimized. The maximum TL intensity was found for 30 min UV exposure, 2.0 mol% Dy3+ Concentration and at 4 °C s−1 heating rate. The Kinetic parameters namely, activation energy (E), order of kinetics (b) and frequency factor (s) of Sr3MgSi2O8:Dy3+ sample have been determined using Chen's method for the deconvoluted glow curve.
•Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process.•TL glow curve recorded under 254 nm UV excitation.•TL glow curve contains dual peak at 70 °C and 213 °C.•Phosphor shows both persistent and dosimetric TL glow peaks.</description><subject>Chemical synthesis</subject><subject>Diffraction</subject><subject>Exposure</subject><subject>Heating</subject><subject>Heating rate</subject><subject>Kinetics</subject><subject>Parameters</subject><subject>Phosphors</subject><subject>Reaction kinetics</subject><subject>Sr3MgSi2O8</subject><subject>Thermoluminescence</subject><subject>Ultraviolet radiation</subject><subject>X ray powder diffraction</subject><subject>XRD</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkMtOwzAQRS0EEqXwCUiRWCf4kdjOCqGKl1TEgu4t15moDklcbAeJv8dpu2cxmsWce2fmInRLcEEw4fdd0em-N24oKCaiIKSgNTtDCyIFy0vO63O0wDWtcsmkvERXIXQYY1IzskDvn3FqLITMjVncgR9cPw12hGBgNJDtvduDjwegzXT_pfs0zED7uMuC7a3RMVE7F1L5cI0uWt0HuDn1Jdo8P21Wr_n64-Vt9bjODRNlzPlWclxKtoWaQkUFFiWTTUOx4NyQipJWliBqLAEwpaCbLadCNJVmsw6zJbo72qbzvicIUXVu8mPaqFIChGNR1yxR1ZEy3oXgoVV7bwftfxXBag5OdeoU3CwTihBFD7qHow7SBz8WvArGzmk01oOJqnH2H4c_ECF5ag</recordid><startdate>20180225</startdate><enddate>20180225</enddate><creator>Dewangan, Pradeep</creator><creator>Bisen, D.P.</creator><creator>Brahme, Nameeta</creator><creator>Tamrakar, Raunak Kumar</creator><creator>Upadhyay, Kanchan</creator><creator>Sharma, Shweta</creator><creator>Sahu, Ishwar Prasad</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20180225</creationdate><title>Studies on thermoluminescence properties of alkaline earth silicate phosphors</title><author>Dewangan, Pradeep ; Bisen, D.P. ; Brahme, Nameeta ; Tamrakar, Raunak Kumar ; Upadhyay, Kanchan ; Sharma, Shweta ; Sahu, Ishwar Prasad</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c374t-6b860483be92e52707438dd20766c1521f84e7908ee022eadb6277d5a3860403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Chemical synthesis</topic><topic>Diffraction</topic><topic>Exposure</topic><topic>Heating</topic><topic>Heating rate</topic><topic>Kinetics</topic><topic>Parameters</topic><topic>Phosphors</topic><topic>Reaction kinetics</topic><topic>Sr3MgSi2O8</topic><topic>Thermoluminescence</topic><topic>Ultraviolet radiation</topic><topic>X ray powder diffraction</topic><topic>XRD</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dewangan, Pradeep</creatorcontrib><creatorcontrib>Bisen, D.P.</creatorcontrib><creatorcontrib>Brahme, Nameeta</creatorcontrib><creatorcontrib>Tamrakar, Raunak Kumar</creatorcontrib><creatorcontrib>Upadhyay, Kanchan</creatorcontrib><creatorcontrib>Sharma, Shweta</creatorcontrib><creatorcontrib>Sahu, Ishwar Prasad</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dewangan, Pradeep</au><au>Bisen, D.P.</au><au>Brahme, Nameeta</au><au>Tamrakar, Raunak Kumar</au><au>Upadhyay, Kanchan</au><au>Sharma, Shweta</au><au>Sahu, Ishwar Prasad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies on thermoluminescence properties of alkaline earth silicate phosphors</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2018-02-25</date><risdate>2018</risdate><volume>735</volume><spage>1383</spage><epage>1388</epage><pages>1383-1388</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>In this paper we report the Thermoluminescence behaviour of Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process. The prepared phosphors were characterized by the X-ray powder diffraction (XRD) method. The Thermoluminescence (TL) behaviour is studied for the 254 nm ultra violet (UV) exposure. The TL glow curve has dual peaks at 70 °C and 213 °C. All the TL parameters such as UV exposure time, dopant concentration, heating rate etc were optimized. The maximum TL intensity was found for 30 min UV exposure, 2.0 mol% Dy3+ Concentration and at 4 °C s−1 heating rate. The Kinetic parameters namely, activation energy (E), order of kinetics (b) and frequency factor (s) of Sr3MgSi2O8:Dy3+ sample have been determined using Chen's method for the deconvoluted glow curve.
•Sr3MgSi2O8 phosphor doped with Dy3+ synthesized by solid state reaction process.•TL glow curve recorded under 254 nm UV excitation.•TL glow curve contains dual peak at 70 °C and 213 °C.•Phosphor shows both persistent and dosimetric TL glow peaks.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2017.11.293</doi><tpages>6</tpages></addata></record> |
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| subjects | Chemical synthesis Diffraction Exposure Heating Heating rate Kinetics Parameters Phosphors Reaction kinetics Sr3MgSi2O8 Thermoluminescence Ultraviolet radiation X ray powder diffraction XRD |
| title | Studies on thermoluminescence properties of alkaline earth silicate phosphors |
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