Article(id=1322943512454505189, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942780003201932, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210215, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1617033600000, receivedDateStr=2021-03-30, revisedDate=1618243200000, revisedDateStr=2021-04-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343912471, onlineDateStr=2026-10-30, pubDate=1632067200000, pubDateStr=2021-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343912471, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343912471, creator=13701087609, updateTime=1793343912471, updator=13701087609, issue=Issue{id=1322942780003201932, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='9', pageStart='1785', pageEnd='2044', issueExtLink='null', onlineDate='null', pubDate='1632067200000', pubDateStr='2021-09-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343737841, creator='13701087609', updateTime=1793345873558, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322951737916665918, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942780003201932, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322951737916665919, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942780003201932, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1994, endPage=2000, ext={EN=ArticleExt(id=1322943512680997606, articleId=1322943512454505189, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Extend Afterglow Time of SrAl2Si2O8: Eu2+, Dy3+ Phosphor by Adding Boric Acid as Flux, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

Long afterglow phosphors are widely used in fields such as optical storage and photocatalysis. Aluminosilicate has the advantages of good physical and chemical stability, thermal stability, high light conversion rate, low cost and emission bandwidth. The layered SrAl2Si2O8:Eu2+, Dy3+ phosphors with strontium feldspar structure were synthesized by high-temperature solid-state reaction method. The phosphor can be excited by 276 nm ultraviolet light to produce a broad emission band with a peak at 426 nm. Co-doped Dy3+ ions do not affect the crystal structure and emission peak position. Dy3+ is imported into the trap center to cause continuous light emission. The phosphor has excellent thermal stability, and it can maintain 90.5% of the initial luminous intensity at 200℃. The addition of H3BO3 flux does not affect the crystal structure. It improves the luminous intensity and prolongs the afterglow lifetime. After adding the flux, the lifetime can reach 122.3 s, and the quantum efficiency is increased by 30.2%. The luminous characteristics and afterglow lifetime can indicate that SrAl2Si2O8: Eu2+, Dy3+ phosphors have development potential in the field of long afterglow light emitting diodes (LEDs) in the future.

, authors=Juyu YANG1, Haojun YU1, Yangai LIU1, Jian CHEN2, Ruiyu MI1, Xiaoya BU1, Ci'an XIE1, Zhaohui HUANG1, authorsList=Juyu YANG, Haojun YU, Yangai LIU, Jian CHEN, Ruiyu MI, Xiaoya BU, Ci'an XIE, Zhaohui HUANG, authorCompany=null, correspAuthors=Yangai LIU, Jian CHEN, authorNote=

YANG Juyu(1997-), male, Master candidate. E-mail:

, correspAuthorsNote=
LIU Yangai (1972-), female, Ph.D.,Professor. E-mail:
CHEN Jian (1989-), male, Ph.D., Assistance Researcher.
, 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=1322943513012347623, articleId=1322943512454505189, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=利用助熔剂硼酸延长SrAl2Si2O8:Eu2+,Dy3+荧光粉的余辉长度, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

通过高温固相反应法合成具有锶长石结构的层状SrAl2Si2O8:Eu2+,Dy3+荧光粉。结果表明:该荧光粉可被276 nm的紫外光激发,产生1个峰值在426 nm的宽发射带。共掺杂的Dy3+进入陷阱中心,不影响晶体结构和发射峰位置变化,帮助促进持续的发光。SrAl2Si2O8:Eu2+,Dy3+荧光粉具有出色的热稳定性,在200℃时可保持90.5%的初始发光强度。H3BO3助熔剂的添加不会影响荧光粉的晶体结构,并且帮助提高发光强度并延长余辉寿命。加入助熔剂后,荧光粉寿命可以达到122.3 s,量子效率提高30.2%。SrAl2Si2O8:Eu2+,Dy3+荧光粉在未来长余辉发光二极管(Light Emitting Diodes,LED)领域中具有发展潜力。

, authors=杨举聿1, 于灏君1, 刘艳改1, 陈健2, 米瑞宇1, 卜小雅1, 谢赐桉1, 黄朝晖1, authorsList=杨举聿, 于灏君, 刘艳改, 陈健, 米瑞宇, 卜小雅, 谢赐桉, 黄朝晖, authorCompany=null, correspAuthors=刘艳改, 陈健, authorNote=

杨举聿(1997—),男,硕士研究生。

, correspAuthorsNote=
刘艳改(1972—),教授。
陈健(1989—),助理研究员。
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杨举聿 1 , 于灏君 1 , 刘艳改 1 , 陈健 2 , 米瑞宇 1 , 卜小雅 1 , 谢赐桉 1 , 黄朝晖 1
硅酸盐学报 | 研究论文 2021,49(9): 1994-2000
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硅酸盐学报 |研究论文 2021 , 49 (9) : 1994 -2000
利用助熔剂硼酸延长SrAl2Si2O8:Eu2+,Dy3+荧光粉的余辉长度
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杨举聿1 , 于灏君1, 刘艳改1 , 陈健2 , 米瑞宇1, 卜小雅1, 谢赐桉1, 黄朝晖1
作者信息
  • 1.中国地质大学(北京)材料科学与工程学院,非金属材料和固废资源材料利用北京市重点实验室,北京 100083
  • 2.北京大学科学研究部,北京 100871
通讯作者:
刘艳改(1972—),教授。
陈健(1989—),助理研究员。
作者简介:

杨举聿(1997—),男,硕士研究生。

Extend Afterglow Time of SrAl2Si2O8: Eu2+, Dy3+ Phosphor by Adding Boric Acid as Flux
Juyu YANG1 , Haojun YU1, Yangai LIU1 , Jian CHEN2 , Ruiyu MI1, Xiaoya BU1, Ci'an XIE1, Zhaohui HUANG1
Affiliations
  • 1.School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences, Beijing 100083, China
  • 2.Office of Scientific Research, Peking University Rd, Beijing 100871, China
  • Corresponding Author:
    LIU Yangai (1972-), female, Ph.D.,Professor. E-mail:
    CHEN Jian (1989-), male, Ph.D., Assistance Researcher.

    YANG Juyu(1997-), male, Master candidate. E-mail:

出版时间: 2021-09-20 doi: 10.14062/j.issn.0454-5648.20210215
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通过高温固相反应法合成具有锶长石结构的层状SrAl2Si2O8:Eu2+,Dy3+荧光粉。结果表明:该荧光粉可被276 nm的紫外光激发,产生1个峰值在426 nm的宽发射带。共掺杂的Dy3+进入陷阱中心,不影响晶体结构和发射峰位置变化,帮助促进持续的发光。SrAl2Si2O8:Eu2+,Dy3+荧光粉具有出色的热稳定性,在200℃时可保持90.5%的初始发光强度。H3BO3助熔剂的添加不会影响荧光粉的晶体结构,并且帮助提高发光强度并延长余辉寿命。加入助熔剂后,荧光粉寿命可以达到122.3 s,量子效率提高30.2%。SrAl2Si2O8:Eu2+,Dy3+荧光粉在未来长余辉发光二极管(Light Emitting Diodes,LED)领域中具有发展潜力。

硼酸  /  助熔剂  /  长余辉  /  余辉寿命

Long afterglow phosphors are widely used in fields such as optical storage and photocatalysis. Aluminosilicate has the advantages of good physical and chemical stability, thermal stability, high light conversion rate, low cost and emission bandwidth. The layered SrAl2Si2O8:Eu2+, Dy3+ phosphors with strontium feldspar structure were synthesized by high-temperature solid-state reaction method. The phosphor can be excited by 276 nm ultraviolet light to produce a broad emission band with a peak at 426 nm. Co-doped Dy3+ ions do not affect the crystal structure and emission peak position. Dy3+ is imported into the trap center to cause continuous light emission. The phosphor has excellent thermal stability, and it can maintain 90.5% of the initial luminous intensity at 200℃. The addition of H3BO3 flux does not affect the crystal structure. It improves the luminous intensity and prolongs the afterglow lifetime. After adding the flux, the lifetime can reach 122.3 s, and the quantum efficiency is increased by 30.2%. The luminous characteristics and afterglow lifetime can indicate that SrAl2Si2O8: Eu2+, Dy3+ phosphors have development potential in the field of long afterglow light emitting diodes (LEDs) in the future.

boric acid  /  flux  /  long afterglow phosphors  /  afterglow lifetime
杨举聿, 于灏君, 刘艳改, 陈健, 米瑞宇, 卜小雅, 谢赐桉, 黄朝晖. 利用助熔剂硼酸延长SrAl2Si2O8:Eu2+,Dy3+荧光粉的余辉长度. 硅酸盐学报, 2021 , 49 (9) : 1994 -2000 . DOI: 10.14062/j.issn.0454-5648.20210215
Juyu YANG, Haojun YU, Yangai LIU, Jian CHEN, Ruiyu MI, Xiaoya BU, Ci'an XIE, Zhaohui HUANG. Extend Afterglow Time of SrAl2Si2O8: Eu2+, Dy3+ Phosphor by Adding Boric Acid as Flux[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (9) : 1994 -2000 . DOI: 10.14062/j.issn.0454-5648.20210215
  • 国家自然科学基金(51772278; 52072348; 51802004)
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doi: 10.14062/j.issn.0454-5648.20210215
  • 接收时间:2021-03-30
  • 首发时间:2026-10-30
  • 出版时间:2021-09-20
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  • 收稿日期:2021-03-30
  • 修回日期:2021-04-13
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国家自然科学基金(51772278; 52072348; 51802004)
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    1.中国地质大学(北京)材料科学与工程学院,非金属材料和固废资源材料利用北京市重点实验室,北京 100083
    2.北京大学科学研究部,北京 100871

通讯作者:

刘艳改(1972—),教授。
陈健(1989—),助理研究员。
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2种不同金属材料的力学参数
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属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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