Synthesis, structure and photoluminescence properties of europium-, terbium-, and thulium-doped Ca3Bi(PO4)3 phosphors.
Identifieur interne : 000442 ( Main/Exploration ); précédent : 000441; suivant : 000443Synthesis, structure and photoluminescence properties of europium-, terbium-, and thulium-doped Ca3Bi(PO4)3 phosphors.
Auteurs : Mengmeng Jiao [République populaire de Chine] ; Ning Guo ; Wei Lü ; Yongchao Jia ; Wenzhen Lv ; Qi Zhao ; Baiqi Shao ; Hongpeng YouSource :
- Dalton transactions (Cambridge, England : 2003) [ 1477-9234 ] ; 2013.
Abstract
A series of Eu(3+), Tb(3+), Tm(3+) singly and triply doped Ca3Bi(PO4)3 (CBP) phosphors were synthesized by solid-state reaction. Their structure and photoluminescence (PL) properties were first investigated in detail. Rietveld refinement analysis confirmed that the CBP has a cubic unit cell. Its space group was determined to be I4[combining macron]3d with cell parameters a = b = c = 9.941 Å and Z = 4. In addition, the Ca3Bi(PO4)3 shows both cation disorder and oxygen sublattice disorder. For the CBP:Eu(3+) phosphor, the charge transfer bands in the PLE spectra were different at 293 K and 4.3 K, and a model was presented to give a possible explanation for this phenomenon. CBP:Eu(3+) shows intense red emission due to (5)D0-(7)F2 transition and its integral emission intensity and quantum efficiency are higher than the commercial Y2O3:Eu(3+) phosphor under irradiation of 397 nm, indicating that the CBP:Eu(3+) phosphor might have potential application in the NUV range for solid-state lighting. The CBP:Tb(3+) and CBP:Tm(3+) phosphors show intense green and blue emission due to (5)D4-(7)F2 transition of the Tb(3+) ions and the (1)D2-(3)F4 transition of the Tm(3+) ions, respectively. The energy transfer from the Tb(3+) to Eu(3+) ions was also validated by the spectra and decay curves of the Tb(3+) ions. Tunable emission colors were obtained by triply doping Eu(3+), Tb(3+) and Tm(3+) activators in a single host and adjusting their relative ratio.
DOI: 10.1039/c3dt50552a
PubMed: 23861192
Affiliations:
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Mengmeng" sort="Jiao, Mengmeng" uniqKey="Jiao M" first="Mengmeng" last="Jiao">Mengmeng Jiao</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022</wicri:regionArea><placeName><settlement type="city">Changchun</settlement><region type="province">Jilin</region><region type="groupement">Dongbei</region></placeName></affiliation></author><author><name sortKey="Guo, Ning" sort="Guo, Ning" uniqKey="Guo N" first="Ning" last="Guo">Ning Guo</name></author><author><name sortKey="Lu, Wei" sort="Lu, Wei" uniqKey="Lu W" first="Wei" last="Lü">Wei Lü</name></author><author><name sortKey="Jia, Yongchao" sort="Jia, Yongchao" uniqKey="Jia Y" first="Yongchao" last="Jia">Yongchao Jia</name></author><author><name sortKey="Lv, Wenzhen" sort="Lv, Wenzhen" uniqKey="Lv W" first="Wenzhen" last="Lv">Wenzhen Lv</name></author><author><name sortKey="Zhao, Qi" sort="Zhao, Qi" uniqKey="Zhao Q" first="Qi" last="Zhao">Qi Zhao</name></author><author><name sortKey="Shao, Baiqi" sort="Shao, Baiqi" uniqKey="Shao B" first="Baiqi" last="Shao">Baiqi Shao</name></author><author><name sortKey="You, Hongpeng" sort="You, Hongpeng" uniqKey="You H" first="Hongpeng" last="You">Hongpeng You</name></author></analytic><series><title level="j">Dalton transactions (Cambridge, England : 2003)</title><idno type="eISSN">1477-9234</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A series of Eu(3+), Tb(3+), Tm(3+) singly and triply doped Ca3Bi(PO4)3 (CBP) phosphors were synthesized by solid-state reaction. Their structure and photoluminescence (PL) properties were first investigated in detail. Rietveld refinement analysis confirmed that the CBP has a cubic unit cell. Its space group was determined to be I4[combining macron]3d with cell parameters a = b = c = 9.941 Å and Z = 4. In addition, the Ca3Bi(PO4)3 shows both cation disorder and oxygen sublattice disorder. For the CBP:Eu(3+) phosphor, the charge transfer bands in the PLE spectra were different at 293 K and 4.3 K, and a model was presented to give a possible explanation for this phenomenon. CBP:Eu(3+) shows intense red emission due to (5)D0-(7)F2 transition and its integral emission intensity and quantum efficiency are higher than the commercial Y2O3:Eu(3+) phosphor under irradiation of 397 nm, indicating that the CBP:Eu(3+) phosphor might have potential application in the NUV range for solid-state lighting. The CBP:Tb(3+) and CBP:Tm(3+) phosphors show intense green and blue emission due to (5)D4-(7)F2 transition of the Tb(3+) ions and the (1)D2-(3)F4 transition of the Tm(3+) ions, respectively. The energy transfer from the Tb(3+) to Eu(3+) ions was also validated by the spectra and decay curves of the Tb(3+) ions. Tunable emission colors were obtained by triply doping Eu(3+), Tb(3+) and Tm(3+) activators in a single host and adjusting their relative ratio.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Dongbei</li><li>Jilin</li></region><settlement><li>Changchun</li></settlement></list><tree><noCountry><name sortKey="Guo, Ning" sort="Guo, Ning" uniqKey="Guo N" first="Ning" last="Guo">Ning Guo</name><name sortKey="Jia, Yongchao" sort="Jia, Yongchao" uniqKey="Jia Y" first="Yongchao" last="Jia">Yongchao Jia</name><name sortKey="Lu, Wei" sort="Lu, Wei" uniqKey="Lu W" first="Wei" last="Lü">Wei Lü</name><name sortKey="Lv, Wenzhen" sort="Lv, Wenzhen" uniqKey="Lv W" first="Wenzhen" last="Lv">Wenzhen Lv</name><name sortKey="Shao, Baiqi" sort="Shao, Baiqi" uniqKey="Shao B" first="Baiqi" last="Shao">Baiqi Shao</name><name sortKey="You, Hongpeng" sort="You, Hongpeng" uniqKey="You H" first="Hongpeng" last="You">Hongpeng You</name><name sortKey="Zhao, Qi" sort="Zhao, Qi" uniqKey="Zhao Q" first="Qi" last="Zhao">Qi Zhao</name></noCountry><country name="République populaire de Chine"><region name="Jilin"><name sortKey="Jiao, Mengmeng" sort="Jiao, Mengmeng" uniqKey="Jiao M" first="Mengmeng" last="Jiao">Mengmeng Jiao</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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