Photoluminescence and structural analysis of trivalent europium doped MLaAl3O7 (M = Ba, Ca, Mg and Sr) nanophosphors
The solution combustion technique was used to synthesize MLaAl3O7 (M = Ba, Ca, Mg, and Sr) nanophosphors‐doped with Eu3+ using metal nitrates as precursors. The photoluminescence (PL) emission spectra exhibited three peaks at 587–591, 610–616, and 653–654 corresponding to 5D0→7F1, 5D0→7F2, and 5D0→7...
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description | The solution combustion technique was used to synthesize MLaAl3O7 (M = Ba, Ca, Mg, and Sr) nanophosphors‐doped with Eu3+ using metal nitrates as precursors. The photoluminescence (PL) emission spectra exhibited three peaks at 587–591, 610–616, and 653–654 corresponding to 5D0→7F1, 5D0→7F2, and 5D0→7F3 transitions, respectively. Upon excitation at 254 nm, these nanophosphors displayed strong red emission with the dominant peak attributed to the 5D0→7F2 transition of Eu3+. The materials were further heated at 900 and 1050°C for 2 h to examine the consequence of temperature on crystal lattice and PL emission intensity. X‐ray diffraction (XRD) analysis proved that all the synthesized materials were of a crystalline nature. CaLaAl3O7 material has a tetragonal crystal structure with space group P421m. Scherer's equation was used to calculate the crystallite size of synthesized phosphors using XRD data. A Fourier transformation infrared study was used to observe the stretching vibrations of metal–oxygen bonds. Infrared peaks for stretching vibrations corresponding to lanthanum–oxygen and aluminium–oxygen bonds were found at 582 and 777 cm–1 respectively for CaLaAl3O7 phosphor material. Transmission electron microscopy images were used to determine the size of particles (18–37 nm for the as‐prepared materials) and also to analyze the three‐dimensional view of these materials. The experimental data indicate that these materials may be promising red‐emitting nanophosphors for use in white light‐emitting diodes. |
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The photoluminescence (PL) emission spectra exhibited three peaks at 587–591, 610–616, and 653–654 corresponding to 5D0→7F1, 5D0→7F2, and 5D0→7F3 transitions, respectively. Upon excitation at 254 nm, these nanophosphors displayed strong red emission with the dominant peak attributed to the 5D0→7F2 transition of Eu3+. The materials were further heated at 900 and 1050°C for 2 h to examine the consequence of temperature on crystal lattice and PL emission intensity. X‐ray diffraction (XRD) analysis proved that all the synthesized materials were of a crystalline nature. CaLaAl3O7 material has a tetragonal crystal structure with space group P421m. Scherer's equation was used to calculate the crystallite size of synthesized phosphors using XRD data. A Fourier transformation infrared study was used to observe the stretching vibrations of metal–oxygen bonds. Infrared peaks for stretching vibrations corresponding to lanthanum–oxygen and aluminium–oxygen bonds were found at 582 and 777 cm–1 respectively for CaLaAl3O7 phosphor material. Transmission electron microscopy images were used to determine the size of particles (18–37 nm for the as‐prepared materials) and also to analyze the three‐dimensional view of these materials. The experimental data indicate that these materials may be promising red‐emitting nanophosphors for use in white light‐emitting diodes.</description><identifier>ISSN: 1522-7235</identifier><identifier>EISSN: 1522-7243</identifier><identifier>DOI: 10.1002/bio.3772</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><subject>Aluminium ; Aluminum ; Barium ; Calcium ; combustion method ; Crystal lattices ; Crystal structure ; Crystallites ; Crystals ; Dimensional analysis ; Electron microscopy ; Emission analysis ; Emission spectra ; Emissions ; Europium ; Fourier analysis ; Fourier transform infrared ; Fourier transforms ; Image transmission ; Lanthanum ; Luminescence ; Magnesium ; Metal nitrates ; Metals ; MLaAl3O7:Eu3 ; Nanophosphors ; Nitrates ; Oxygen ; Phosphors ; Photoluminescence ; Photons ; Stretching ; Strontium ; Structural analysis ; Synthesis ; Transmission electron microscopy ; transmission electron microscopy and white light‐emitting diodes ; Vibrations ; White light ; X-ray diffraction</subject><ispartof>Luminescence (Chichester, England), 2020-08, Vol.35 (5), p.673-683</ispartof><rights>2020 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-2180-5049</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fbio.3772$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fbio.3772$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Kadyan, Sonika</creatorcontrib><creatorcontrib>Singh, Kuldeep</creatorcontrib><creatorcontrib>Singh, Sitender</creatorcontrib><creatorcontrib>Sheoran, Suman</creatorcontrib><creatorcontrib>Singh, Jasbir</creatorcontrib><creatorcontrib>Singh, Devender</creatorcontrib><title>Photoluminescence and structural analysis of trivalent europium doped MLaAl3O7 (M = Ba, Ca, Mg and Sr) nanophosphors</title><title>Luminescence (Chichester, England)</title><description>The solution combustion technique was used to synthesize MLaAl3O7 (M = Ba, Ca, Mg, and Sr) nanophosphors‐doped with Eu3+ using metal nitrates as precursors. The photoluminescence (PL) emission spectra exhibited three peaks at 587–591, 610–616, and 653–654 corresponding to 5D0→7F1, 5D0→7F2, and 5D0→7F3 transitions, respectively. Upon excitation at 254 nm, these nanophosphors displayed strong red emission with the dominant peak attributed to the 5D0→7F2 transition of Eu3+. The materials were further heated at 900 and 1050°C for 2 h to examine the consequence of temperature on crystal lattice and PL emission intensity. X‐ray diffraction (XRD) analysis proved that all the synthesized materials were of a crystalline nature. CaLaAl3O7 material has a tetragonal crystal structure with space group P421m. Scherer's equation was used to calculate the crystallite size of synthesized phosphors using XRD data. A Fourier transformation infrared study was used to observe the stretching vibrations of metal–oxygen bonds. Infrared peaks for stretching vibrations corresponding to lanthanum–oxygen and aluminium–oxygen bonds were found at 582 and 777 cm–1 respectively for CaLaAl3O7 phosphor material. Transmission electron microscopy images were used to determine the size of particles (18–37 nm for the as‐prepared materials) and also to analyze the three‐dimensional view of these materials. The experimental data indicate that these materials may be promising red‐emitting nanophosphors for use in white light‐emitting diodes.</description><subject>Aluminium</subject><subject>Aluminum</subject><subject>Barium</subject><subject>Calcium</subject><subject>combustion method</subject><subject>Crystal lattices</subject><subject>Crystal structure</subject><subject>Crystallites</subject><subject>Crystals</subject><subject>Dimensional analysis</subject><subject>Electron microscopy</subject><subject>Emission analysis</subject><subject>Emission spectra</subject><subject>Emissions</subject><subject>Europium</subject><subject>Fourier analysis</subject><subject>Fourier transform infrared</subject><subject>Fourier transforms</subject><subject>Image transmission</subject><subject>Lanthanum</subject><subject>Luminescence</subject><subject>Magnesium</subject><subject>Metal nitrates</subject><subject>Metals</subject><subject>MLaAl3O7:Eu3</subject><subject>Nanophosphors</subject><subject>Nitrates</subject><subject>Oxygen</subject><subject>Phosphors</subject><subject>Photoluminescence</subject><subject>Photons</subject><subject>Stretching</subject><subject>Strontium</subject><subject>Structural analysis</subject><subject>Synthesis</subject><subject>Transmission electron microscopy</subject><subject>transmission electron microscopy and white light‐emitting diodes</subject><subject>Vibrations</subject><subject>White light</subject><subject>X-ray diffraction</subject><issn>1522-7235</issn><issn>1522-7243</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9kEtLAzEUhYMoWKvgTwi4UXBqXp10Fi7awUehpYK6DslMYqdMJ2MeSv-9qRUXh3MvHA73fgBcYjTCCJE71dgR5ZwcgQEeE5Jxwujx_0zHp-DM-w1CKM_zYgDCy9oG28Zt02lf6a7SUHY19MHFKkQn27TKducbD62BwTVfstVdgDo62zdxC2vb6xouF3La0hWH10t4D2fyFpZJy4_fsld3AzvZ2X5tfZLz5-DEyNbriz8fgvfHh7fyOVusnubldJH1mOYkk7lBWFFTSEOZ0ZwiXeRU1Whc03S8ohOlGCOMa0IUJZoXhjFe1XWOCzOZKDoEV4fe3tnPqH0QGxtd-scLwghONIqCp1R2SH03rd6J3jVb6XYCI7EHKhJQsQcqZvPV3ukPzt5pgA</recordid><startdate>202008</startdate><enddate>202008</enddate><creator>Kadyan, Sonika</creator><creator>Singh, Kuldeep</creator><creator>Singh, Sitender</creator><creator>Sheoran, Suman</creator><creator>Singh, Jasbir</creator><creator>Singh, Devender</creator><general>Wiley Subscription Services, Inc</general><scope>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>7U7</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H95</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-2180-5049</orcidid></search><sort><creationdate>202008</creationdate><title>Photoluminescence and structural analysis of trivalent europium doped MLaAl3O7 (M = Ba, Ca, Mg and Sr) nanophosphors</title><author>Kadyan, Sonika ; 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The photoluminescence (PL) emission spectra exhibited three peaks at 587–591, 610–616, and 653–654 corresponding to 5D0→7F1, 5D0→7F2, and 5D0→7F3 transitions, respectively. Upon excitation at 254 nm, these nanophosphors displayed strong red emission with the dominant peak attributed to the 5D0→7F2 transition of Eu3+. The materials were further heated at 900 and 1050°C for 2 h to examine the consequence of temperature on crystal lattice and PL emission intensity. X‐ray diffraction (XRD) analysis proved that all the synthesized materials were of a crystalline nature. CaLaAl3O7 material has a tetragonal crystal structure with space group P421m. Scherer's equation was used to calculate the crystallite size of synthesized phosphors using XRD data. A Fourier transformation infrared study was used to observe the stretching vibrations of metal–oxygen bonds. Infrared peaks for stretching vibrations corresponding to lanthanum–oxygen and aluminium–oxygen bonds were found at 582 and 777 cm–1 respectively for CaLaAl3O7 phosphor material. Transmission electron microscopy images were used to determine the size of particles (18–37 nm for the as‐prepared materials) and also to analyze the three‐dimensional view of these materials. The experimental data indicate that these materials may be promising red‐emitting nanophosphors for use in white light‐emitting diodes.</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/bio.3772</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-2180-5049</orcidid></addata></record> |
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subjects | Aluminium Aluminum Barium Calcium combustion method Crystal lattices Crystal structure Crystallites Crystals Dimensional analysis Electron microscopy Emission analysis Emission spectra Emissions Europium Fourier analysis Fourier transform infrared Fourier transforms Image transmission Lanthanum Luminescence Magnesium Metal nitrates Metals MLaAl3O7:Eu3 Nanophosphors Nitrates Oxygen Phosphors Photoluminescence Photons Stretching Strontium Structural analysis Synthesis Transmission electron microscopy transmission electron microscopy and white light‐emitting diodes Vibrations White light X-ray diffraction |
title | Photoluminescence and structural analysis of trivalent europium doped MLaAl3O7 (M = Ba, Ca, Mg and Sr) nanophosphors |
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