Article(id=1322608999518819242, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322608967147172356, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190540, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1561996800000, receivedDateStr=2019-07-02, revisedDate=1569513600000, revisedDateStr=2019-09-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264158372, onlineDateStr=2026-10-29, pubDate=1582128000000, pubDateStr=2020-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264158372, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264158372, creator=13701087609, updateTime=1793264158372, updator=13701087609, issue=Issue{id=1322608967147172356, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='2', pageStart='147', pageEnd='324', issueExtLink='null', onlineDate='null', pubDate='1582128000000', pubDateStr='2020-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264150653, creator='13701087609', updateTime=1793276939599, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322662607933255748, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322608967147172356, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322662607933255749, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322608967147172356, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=204, endPage=210, ext={EN=ArticleExt(id=1322608999686591403, articleId=1322608999518819242, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Enhanced Photoluminescence of Ba2SiO4:Eu2+ Phosphor by Ca2+ or Mg2+ Substitution, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

(Ba1-xMex)1.95SiO4:0.05Eu (Me=Ca, Mg) phosphor was synthesized in a reducing atmosphere by a high-temperature solid-phase method. Ca2+ and Mg2+ solubilities in Ba2SiO4-phase should be 10% (mole fraction, the same below) and 30%, and the solid solution induces an increase in green fluorescence brightness under ultraviolet excitation. The intensity of (Ba0.9Ca0.1)1.95SiO4:0.05Eu and (Ba0.7Mg0.3)1.95SiO4:0.05Eu phosphors is 110% and 140% greater than that of Ba2SiO4:Eu under 365 nm, and 105% and 125% greater than that of Ba2SiO4:Eu under 254 nm. Based on the analysis by X-ray diffraction, (Ba1-xCax)1.95SiO4 (0.1<x≤0.3) is T-phase but not Ba2SiO4-phase. Ca2+ or Mg2+ substitution does not decrease in cell volume but causes the better crystallization (i.e., the diffraction peak is higher, and the half-width is more narrow). Further more, b decreases a little more quickly than c, indicating that Eu2+ ions prefer 9-coordinated Ba2+(II) sites more than 10-coordinated Ba2+(I) sites. According to the high-resolution photo luminescent spectra, Eu2+(I) contributes more than Eu2+(II) for the green luminescence intensity. Moreover, Eu2+(I)/Eu2+(II) ratio increases as Ca2+ or Mg2+ solubility increases. The high-resolution X-ray photoelectron spectra of Eu4d indicate that the valence of Eu is rarely changed after cation substitution. Ca2+ or Mg2+ substitution can improve the crystallinity, promote Eu2+ to enter Ba2+(I) site(which would has higher luminescent efficiency) and keep Eu ion valence stable due to the improvement of phosphor luminescent intensity by cation substitution.

, authors=Mingyuan GAO1, Lan LUO1, 2, Yu WANG1, Rui GUO1, authorsList=Mingyuan GAO, Lan LUO, Yu WANG, Rui GUO, authorCompany=null, correspAuthors=Lan LUO, authorNote=

GAO Mingyuan (1998-), male, Master candidate. E-mail:

, correspAuthorsNote=
LUO Lan (1979-), female, Associate Professor, Ph.D. E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322608999921472428, articleId=1322608999518819242, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=Ca2+、Mg2+固溶Ba2SiO4:Eu2+荧光增强机理, columnId=null, journalTitle=硅酸盐学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用高温固相法在还原气氛得到(Ba1-xMex)1.95SiO4:0.05Eu(Me=Ca,Mg)荧光粉。采用X射线衍射仪、场发射扫描电镜、元素分析仪、荧光光谱仪对样品进行分析,结果表明:Ca2+、Mg2+在Ba2SiO4相的固溶度分别为10%(摩尔分数,下同)和30%,其对应荧光粉比Ba2SiO4:Eu在紫外激发绿色荧光亮度有明显提高(365 nm激发下亮度为Ba2SiO4:Eu的110%、140%,254 nm激发下则为105%、125%)。(Ba1-xCax)1.95SiO4(0.1<x≤0.3)为T相而非Ba2SiO4相,故离子半径与Ba2+更接近的Ca2+反而比Mg2+在Ba2SiO4相的固溶度更低;Ca2+、Mg2+在Ba2SiO4中固溶,使得晶格参数略微减小,且b比c减小更快,即Ca2+、Mg2+更倾向取代9配位Ba2+(II)而非10配位Ba2+(I);固溶有利于粉末结晶状况提高(衍射峰增强、半峰宽变窄)。Eu2+(I)比Eu2+(II)对绿光贡献更大,Ca2+、Mg2+可促进Eu2+(I)/Eu2+(II)比值提高。Eu4d高分辨光电子谱表明,Ca2+、Mg2+对Eu离子的价态无明显影响。由此可见,Ca2+、Mg2+固溶可提高Ba2SiO4相粉末结晶程度、促进Eu2+进入发光效率更高Ba2+(I)位置,同时不影响Eu2+的价态稳定性,是固溶提升Ba2SiO4:Eu荧光粉发光性能原因所在。

, authors=高明远1, 罗岚1, 2, 汪雨1, 郭锐1, authorsList=高明远, 罗岚, 汪雨, 郭锐, authorCompany=null, correspAuthors=罗岚, authorNote=

高明远(1998—),男,硕士研究生。

, correspAuthorsNote=
罗岚(1979—),女,副教授,博士。
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高明远(1998—),男,硕士研究生。

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Ca2+、Mg2+固溶Ba2SiO4:Eu2+荧光增强机理
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高明远 1 , 罗岚 1, 2 , 汪雨 1 , 郭锐 1
硅酸盐学报 | 2020,48(2): 204-210
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硅酸盐学报 | 2020 , 48 (2) : 204 -210
Ca2+、Mg2+固溶Ba2SiO4:Eu2+荧光增强机理
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高明远1 , 罗岚1, 2 , 汪雨1, 郭锐1
作者信息
  • 1.南昌大学材料科学与工程学院,南昌 330031
  • 2.南昌大学江西省轻质高强结构材料重点实验室,南昌 330031
通讯作者:
罗岚(1979—),女,副教授,博士。
作者简介:

高明远(1998—),男,硕士研究生。

Enhanced Photoluminescence of Ba2SiO4:Eu2+ Phosphor by Ca2+ or Mg2+ Substitution
Mingyuan GAO1 , Lan LUO1, 2 , Yu WANG1, Rui GUO1
Affiliations
  • 1.School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China
  • 2.Key Laboratory of Lightweight and High Strength Structural Materials of Jiangxi Province, Nanchang University, Nanchang 330031, China
  • Corresponding Author:
    LUO Lan (1979-), female, Associate Professor, Ph.D. E-mail:

    GAO Mingyuan (1998-), male, Master candidate. E-mail:

出版时间: 2020-02-20 doi: 10.14062/j.issn.0454-5648.20190540
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采用高温固相法在还原气氛得到(Ba1-xMex)1.95SiO4:0.05Eu(Me=Ca,Mg)荧光粉。采用X射线衍射仪、场发射扫描电镜、元素分析仪、荧光光谱仪对样品进行分析,结果表明:Ca2+、Mg2+在Ba2SiO4相的固溶度分别为10%(摩尔分数,下同)和30%,其对应荧光粉比Ba2SiO4:Eu在紫外激发绿色荧光亮度有明显提高(365 nm激发下亮度为Ba2SiO4:Eu的110%、140%,254 nm激发下则为105%、125%)。(Ba1-xCax)1.95SiO4(0.1<x≤0.3)为T相而非Ba2SiO4相,故离子半径与Ba2+更接近的Ca2+反而比Mg2+在Ba2SiO4相的固溶度更低;Ca2+、Mg2+在Ba2SiO4中固溶,使得晶格参数略微减小,且b比c减小更快,即Ca2+、Mg2+更倾向取代9配位Ba2+(II)而非10配位Ba2+(I);固溶有利于粉末结晶状况提高(衍射峰增强、半峰宽变窄)。Eu2+(I)比Eu2+(II)对绿光贡献更大,Ca2+、Mg2+可促进Eu2+(I)/Eu2+(II)比值提高。Eu4d高分辨光电子谱表明,Ca2+、Mg2+对Eu离子的价态无明显影响。由此可见,Ca2+、Mg2+固溶可提高Ba2SiO4相粉末结晶程度、促进Eu2+进入发光效率更高Ba2+(I)位置,同时不影响Eu2+的价态稳定性,是固溶提升Ba2SiO4:Eu荧光粉发光性能原因所在。

碱土离子  /  硫酸钡  /  晶体结构  /  固溶取代  /  离子价态  /  荧光增强  /  荧光粉

(Ba1-xMex)1.95SiO4:0.05Eu (Me=Ca, Mg) phosphor was synthesized in a reducing atmosphere by a high-temperature solid-phase method. Ca2+ and Mg2+ solubilities in Ba2SiO4-phase should be 10% (mole fraction, the same below) and 30%, and the solid solution induces an increase in green fluorescence brightness under ultraviolet excitation. The intensity of (Ba0.9Ca0.1)1.95SiO4:0.05Eu and (Ba0.7Mg0.3)1.95SiO4:0.05Eu phosphors is 110% and 140% greater than that of Ba2SiO4:Eu under 365 nm, and 105% and 125% greater than that of Ba2SiO4:Eu under 254 nm. Based on the analysis by X-ray diffraction, (Ba1-xCax)1.95SiO4 (0.1<x≤0.3) is T-phase but not Ba2SiO4-phase. Ca2+ or Mg2+ substitution does not decrease in cell volume but causes the better crystallization (i.e., the diffraction peak is higher, and the half-width is more narrow). Further more, b decreases a little more quickly than c, indicating that Eu2+ ions prefer 9-coordinated Ba2+(II) sites more than 10-coordinated Ba2+(I) sites. According to the high-resolution photo luminescent spectra, Eu2+(I) contributes more than Eu2+(II) for the green luminescence intensity. Moreover, Eu2+(I)/Eu2+(II) ratio increases as Ca2+ or Mg2+ solubility increases. The high-resolution X-ray photoelectron spectra of Eu4d indicate that the valence of Eu is rarely changed after cation substitution. Ca2+ or Mg2+ substitution can improve the crystallinity, promote Eu2+ to enter Ba2+(I) site(which would has higher luminescent efficiency) and keep Eu ion valence stable due to the improvement of phosphor luminescent intensity by cation substitution.

alkaline earth ion  /  barium sulphate  /  crystal structure  /  substitution  /  ion valence  /  fluorescence enhance  /  phosphor powder
高明远, 罗岚, 汪雨, 郭锐. Ca2+、Mg2+固溶Ba2SiO4:Eu2+荧光增强机理. 硅酸盐学报, 2020 , 48 (2) : 204 -210 . DOI: 10.14062/j.issn.0454-5648.20190540
Mingyuan GAO, Lan LUO, Yu WANG, Rui GUO. Enhanced Photoluminescence of Ba2SiO4:Eu2+ Phosphor by Ca2+ or Mg2+ Substitution[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (2) : 204 -210 . DOI: 10.14062/j.issn.0454-5648.20190540
  • 国家重点研发计划(2016YFB0701201; 2016YFB0701203; 2017YFB1103701)
  • 国家自然科学基金(11564025; 51671101; 51464034; 51062003)
  • 江西省自然科学基金(20161ACB21003; 20132BAB202010; 2010GZW0016)
  • 江西省教育厅重点计划(GJJ150010)
  • 南昌大学研究生创新专项基金(CX2019052)
  • 本科生创新创业训练项目(20190402352)
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2020年第48卷第2期
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doi: 10.14062/j.issn.0454-5648.20190540
  • 接收时间:2019-07-02
  • 首发时间:2026-10-29
  • 出版时间:2020-02-20
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出版历史
  • 收稿日期:2019-07-02
  • 修回日期:2019-09-27
基金
国家重点研发计划(2016YFB0701201; 2016YFB0701203; 2017YFB1103701)
国家自然科学基金(11564025; 51671101; 51464034; 51062003)
江西省自然科学基金(20161ACB21003; 20132BAB202010; 2010GZW0016)
江西省教育厅重点计划(GJJ150010)
南昌大学研究生创新专项基金(CX2019052)
本科生创新创业训练项目(20190402352)
作者信息
    1.南昌大学材料科学与工程学院,南昌 330031
    2.南昌大学江西省轻质高强结构材料重点实验室,南昌 330031

通讯作者:

罗岚(1979—),女,副教授,博士。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20190540
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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