Aqueous sol–gel synthesis, thermoanalytical study and luminescent properties of M0.05Eu0.05Ca0.9MoO4 (M=Li, Na, K, Rb, Cs) nanocrystallites
Nano-sized M 0.05 Eu 0.05 Ca 0.9 MoO 4 (M=Li, Na, K, Rb, Cs) ceramics have been successfully synthesized by an aqueous sol–gel synthesis method using a tartaric acid as a ligand. In order to reveal the influence of the peculiarities of the nature of dopants effect into the crystallization of CaMoO 4...
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creator | Giedrė, Gaidamavičienė Gytautas, Janulevičius Eglė, Venslauskaitė Artūras, Žalga |
description | Nano-sized M
0.05
Eu
0.05
Ca
0.9
MoO
4
(M=Li, Na, K, Rb, Cs) ceramics have been successfully synthesized by an aqueous sol–gel synthesis method using a tartaric acid as a ligand. In order to reveal the influence of the peculiarities of the nature of dopants effect into the crystallization of CaMoO
4
double oxide, the thermal analysis of the as-prepared gels was performed. In addition, infrared spectroscopy was used in order to identify the functional groups from the characteristic stretching vibrations in the M–Eu–Ca–Mo–O tartrate gel precursors. Besides, to confirm the dynamics of growing crystallites in the final ceramics and to reveal the morphological changes on the surface, the x-ray diffraction and scanning electron microscopy were applied. Finally, photoluminescence measurements were used to estimate the optical properties of europium oxide as a dopant in the samples according to the nature of alkali metal. Therefore, according to the obtained results, it was estimated that luminescence intensity of Eu
3+
ions is mainly affected by the chemical reaction, which takes place at about 973 K of temperature. This effect was partly confirmed from the results of the thermal decomposition of M–Eu–Ca–Mo–O tartrate gel precursors with an endothermic behaviour in the DSC curve, which indicates the crystallization mechanism of the CaMoO
4
double oxide. |
doi_str_mv | 10.1007/s10973-019-08962-7 |
format | Article |
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0.05
Eu
0.05
Ca
0.9
MoO
4
(M=Li, Na, K, Rb, Cs) ceramics have been successfully synthesized by an aqueous sol–gel synthesis method using a tartaric acid as a ligand. In order to reveal the influence of the peculiarities of the nature of dopants effect into the crystallization of CaMoO
4
double oxide, the thermal analysis of the as-prepared gels was performed. In addition, infrared spectroscopy was used in order to identify the functional groups from the characteristic stretching vibrations in the M–Eu–Ca–Mo–O tartrate gel precursors. Besides, to confirm the dynamics of growing crystallites in the final ceramics and to reveal the morphological changes on the surface, the x-ray diffraction and scanning electron microscopy were applied. Finally, photoluminescence measurements were used to estimate the optical properties of europium oxide as a dopant in the samples according to the nature of alkali metal. Therefore, according to the obtained results, it was estimated that luminescence intensity of Eu
3+
ions is mainly affected by the chemical reaction, which takes place at about 973 K of temperature. This effect was partly confirmed from the results of the thermal decomposition of M–Eu–Ca–Mo–O tartrate gel precursors with an endothermic behaviour in the DSC curve, which indicates the crystallization mechanism of the CaMoO
4
double oxide.</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-019-08962-7</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Alkali metals ; Analytical Chemistry ; Calcium compounds ; Ceramics ; Cesium ; Chemical reactions ; Chemistry ; Chemistry and Materials Science ; Crystallites ; Crystallization ; Dopants ; Europium ; Europium compounds ; Functional groups ; Gels ; Infrared analysis ; Inorganic Chemistry ; Lithium ; Luminescence ; Measurement Science and Instrumentation ; Optical properties ; Photoluminescence ; Physical Chemistry ; Polymer Sciences ; Precursors ; Rubidium ; Sodium ; Sol-gel processes ; Synthesis ; Tartaric acid ; Thermal analysis ; Thermal decomposition</subject><ispartof>Journal of thermal analysis and calorimetry, 2020-06, Vol.140 (5), p.2185-2201</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2019</rights><rights>Akadémiai Kiadó, Budapest, Hungary 2019.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-d9341c18ce83af3abde94d6f66932f3aa709d32133adf46b771c250a95d9b4ca3</citedby><cites>FETCH-LOGICAL-c356t-d9341c18ce83af3abde94d6f66932f3aa709d32133adf46b771c250a95d9b4ca3</cites><orcidid>0000-0003-3199-8902</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-019-08962-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-019-08962-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Giedrė, Gaidamavičienė</creatorcontrib><creatorcontrib>Gytautas, Janulevičius</creatorcontrib><creatorcontrib>Eglė, Venslauskaitė</creatorcontrib><creatorcontrib>Artūras, Žalga</creatorcontrib><title>Aqueous sol–gel synthesis, thermoanalytical study and luminescent properties of M0.05Eu0.05Ca0.9MoO4 (M=Li, Na, K, Rb, Cs) nanocrystallites</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>Nano-sized M
0.05
Eu
0.05
Ca
0.9
MoO
4
(M=Li, Na, K, Rb, Cs) ceramics have been successfully synthesized by an aqueous sol–gel synthesis method using a tartaric acid as a ligand. In order to reveal the influence of the peculiarities of the nature of dopants effect into the crystallization of CaMoO
4
double oxide, the thermal analysis of the as-prepared gels was performed. In addition, infrared spectroscopy was used in order to identify the functional groups from the characteristic stretching vibrations in the M–Eu–Ca–Mo–O tartrate gel precursors. Besides, to confirm the dynamics of growing crystallites in the final ceramics and to reveal the morphological changes on the surface, the x-ray diffraction and scanning electron microscopy were applied. Finally, photoluminescence measurements were used to estimate the optical properties of europium oxide as a dopant in the samples according to the nature of alkali metal. Therefore, according to the obtained results, it was estimated that luminescence intensity of Eu
3+
ions is mainly affected by the chemical reaction, which takes place at about 973 K of temperature. This effect was partly confirmed from the results of the thermal decomposition of M–Eu–Ca–Mo–O tartrate gel precursors with an endothermic behaviour in the DSC curve, which indicates the crystallization mechanism of the CaMoO
4
double oxide.</description><subject>Alkali metals</subject><subject>Analytical Chemistry</subject><subject>Calcium compounds</subject><subject>Ceramics</subject><subject>Cesium</subject><subject>Chemical reactions</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Crystallites</subject><subject>Crystallization</subject><subject>Dopants</subject><subject>Europium</subject><subject>Europium compounds</subject><subject>Functional groups</subject><subject>Gels</subject><subject>Infrared analysis</subject><subject>Inorganic Chemistry</subject><subject>Lithium</subject><subject>Luminescence</subject><subject>Measurement Science and Instrumentation</subject><subject>Optical properties</subject><subject>Photoluminescence</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Precursors</subject><subject>Rubidium</subject><subject>Sodium</subject><subject>Sol-gel processes</subject><subject>Synthesis</subject><subject>Tartaric acid</subject><subject>Thermal analysis</subject><subject>Thermal decomposition</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9ULtu3DAQFIwYsGPnB1IRcOMA0mXJlSixcGEc_AhyZwNBUhM8irJl6MQLlyrU5Qdc-Q_9JaFzAdKl2Z3Fzix2Jss-clhwgPozcVA1FsBVAY2SoqgPsmNeNU0hlJDvEsaEJa_gKHtP9AQASgE_zp4vf07OT8TID6-_Xh7cwGge46OjnnKWeth6M5phjr01aRendmZmbNkwbfvRkXVjZLvgdy7E3hHzHVvDAqqr6a0uDSzU2t-X7Hx9sepzdmdy9jVn3zY5W9InNprR2zBTNMPQR0en2WFnBnIf_vaT7Mf11fflbbG6v_myvFwVFisZi1ZhyS1vrGvQdGg2rVNlKzspFYo0mxpUi4IjmrYr5aauuRUVGFW1alNagyfZ2f5u-jz5p6if_BSSTdICFUoUNWJiiT3LBk8UXKd3od-aMGsO-i12vY9dp9j1n9h1nUS4F1Eijw8u_Dv9H9Vv506Feg</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Giedrė, Gaidamavičienė</creator><creator>Gytautas, Janulevičius</creator><creator>Eglė, Venslauskaitė</creator><creator>Artūras, Žalga</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-3199-8902</orcidid></search><sort><creationdate>20200601</creationdate><title>Aqueous sol–gel synthesis, thermoanalytical study and luminescent properties of M0.05Eu0.05Ca0.9MoO4 (M=Li, Na, K, Rb, Cs) nanocrystallites</title><author>Giedrė, Gaidamavičienė ; Gytautas, Janulevičius ; Eglė, Venslauskaitė ; Artūras, Žalga</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-d9341c18ce83af3abde94d6f66932f3aa709d32133adf46b771c250a95d9b4ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Alkali metals</topic><topic>Analytical Chemistry</topic><topic>Calcium compounds</topic><topic>Ceramics</topic><topic>Cesium</topic><topic>Chemical reactions</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Crystallites</topic><topic>Crystallization</topic><topic>Dopants</topic><topic>Europium</topic><topic>Europium compounds</topic><topic>Functional groups</topic><topic>Gels</topic><topic>Infrared analysis</topic><topic>Inorganic Chemistry</topic><topic>Lithium</topic><topic>Luminescence</topic><topic>Measurement Science and Instrumentation</topic><topic>Optical properties</topic><topic>Photoluminescence</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Precursors</topic><topic>Rubidium</topic><topic>Sodium</topic><topic>Sol-gel processes</topic><topic>Synthesis</topic><topic>Tartaric acid</topic><topic>Thermal analysis</topic><topic>Thermal decomposition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Giedrė, Gaidamavičienė</creatorcontrib><creatorcontrib>Gytautas, Janulevičius</creatorcontrib><creatorcontrib>Eglė, Venslauskaitė</creatorcontrib><creatorcontrib>Artūras, Žalga</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Giedrė, Gaidamavičienė</au><au>Gytautas, Janulevičius</au><au>Eglė, Venslauskaitė</au><au>Artūras, Žalga</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aqueous sol–gel synthesis, thermoanalytical study and luminescent properties of M0.05Eu0.05Ca0.9MoO4 (M=Li, Na, K, Rb, Cs) nanocrystallites</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>140</volume><issue>5</issue><spage>2185</spage><epage>2201</epage><pages>2185-2201</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>Nano-sized M
0.05
Eu
0.05
Ca
0.9
MoO
4
(M=Li, Na, K, Rb, Cs) ceramics have been successfully synthesized by an aqueous sol–gel synthesis method using a tartaric acid as a ligand. In order to reveal the influence of the peculiarities of the nature of dopants effect into the crystallization of CaMoO
4
double oxide, the thermal analysis of the as-prepared gels was performed. In addition, infrared spectroscopy was used in order to identify the functional groups from the characteristic stretching vibrations in the M–Eu–Ca–Mo–O tartrate gel precursors. Besides, to confirm the dynamics of growing crystallites in the final ceramics and to reveal the morphological changes on the surface, the x-ray diffraction and scanning electron microscopy were applied. Finally, photoluminescence measurements were used to estimate the optical properties of europium oxide as a dopant in the samples according to the nature of alkali metal. Therefore, according to the obtained results, it was estimated that luminescence intensity of Eu
3+
ions is mainly affected by the chemical reaction, which takes place at about 973 K of temperature. This effect was partly confirmed from the results of the thermal decomposition of M–Eu–Ca–Mo–O tartrate gel precursors with an endothermic behaviour in the DSC curve, which indicates the crystallization mechanism of the CaMoO
4
double oxide.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10973-019-08962-7</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0003-3199-8902</orcidid></addata></record> |
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subjects | Alkali metals Analytical Chemistry Calcium compounds Ceramics Cesium Chemical reactions Chemistry Chemistry and Materials Science Crystallites Crystallization Dopants Europium Europium compounds Functional groups Gels Infrared analysis Inorganic Chemistry Lithium Luminescence Measurement Science and Instrumentation Optical properties Photoluminescence Physical Chemistry Polymer Sciences Precursors Rubidium Sodium Sol-gel processes Synthesis Tartaric acid Thermal analysis Thermal decomposition |
title | Aqueous sol–gel synthesis, thermoanalytical study and luminescent properties of M0.05Eu0.05Ca0.9MoO4 (M=Li, Na, K, Rb, Cs) nanocrystallites |
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