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The structural evolution and tunable photoluminescence of f-element bearing coordination polymers of the 2,4,6-tri-alpha-pyridyl-1,3,5-triazine ligand
Yue, ZH; Lu, HJ; Li, ZJ; Guo, SY; Song, JZ; Ren, YM; Huang, YY; Lin, J; Wang, JQ
2019
Source PublicationCRYSTENGCOMM
ISSN1466-8033
Volume21Issue:34Pages:5059-5066
Subtype期刊论文
AbstractThe exploration of the family of f-element bearing single-molecule coordination polymers via solvothermal reactions yielded fourteen new rare-earth single-molecule complexes with three distinct phases, Ln(TPTZ)(NO3)(3)CH3CN (LnTPTZ-1, Ln = Pr and Nd), [Ln(TPTZ)(NO3)(3)(H2O)]center dot CH3CN (LnTPTZ-2, Ln = Pr-Er), and [Ln(TPTZ)(NO3)(3)(H2O)]center dot 2CH(3)CN (LnTPTZ-3, Ln = Tm-Lu), as well as a uranyl coordination polymer UO2(TPTZ)(NO3)(2) (UTPTZ). All of the structures exhibited zero-dimensional topologies due to the self-assembly of f-element cations with 2,4,6-tri-a-pyridyl-1,3,5-triazine (TPTZ), a tridentate semiaperture ligand featuring three ortho-N atoms on its pyridine and triazine rings. Due to the effect of lanthanide contraction, the structural evolution of the lanthanide complexes, including decrease in the unit cell dimensions and Ln-O/N bond lengths across the isomorphic structures, and more dramatically, transitions in the overall topology, was observed. In addition, a rather unusually bent O-yl=U=O-yl unit with a highly distorted hexagonal bipyramid coordination environment was identified in UTPTZ. The homoleptic structures of EuTPTZ-2 and TbTPTZ-2 allowed the fine-tuning of the molar ratio Eu/Tb in a single Eu(x)Tb(1-x)TPTZ-2 complex, concomitantly giving rise to versatile photoluminescent colours in such materials. Explicitly, it exhibited multicolour photoluminescence ranging from green to red under the excitation of UV light, and an excellent linear relationship between chromacity coordinates and colour tunability could be obtained.
KeywordELECTRONIC-ENERGY LEVELS LANTHANIDE AQUO IONS URANYL-ORGANIC FRAMEWORKS SOFT ACIDS COMPLEXES LUMINESCENCE TERPYRIDINE EXTRACTION INCLUSION ACTINIDES
DOI10.1039/c9ce00867e
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32249
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, 2019 Jia Luo Rd, Shanghai 201800, Peoples R China;
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China;
4.China Acad Engn Phys, Inst Mat, POB 9071-11, Mianyang 621907, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Yue, ZH,Lu, HJ,Li, ZJ,et al. The structural evolution and tunable photoluminescence of f-element bearing coordination polymers of the 2,4,6-tri-alpha-pyridyl-1,3,5-triazine ligand[J]. CRYSTENGCOMM,2019,21(34):5059-5066.
APA Yue, ZH.,Lu, HJ.,Li, ZJ.,Guo, SY.,Song, JZ.,...&Wang, JQ.(2019).The structural evolution and tunable photoluminescence of f-element bearing coordination polymers of the 2,4,6-tri-alpha-pyridyl-1,3,5-triazine ligand.CRYSTENGCOMM,21(34),5059-5066.
MLA Yue, ZH,et al."The structural evolution and tunable photoluminescence of f-element bearing coordination polymers of the 2,4,6-tri-alpha-pyridyl-1,3,5-triazine ligand".CRYSTENGCOMM 21.34(2019):5059-5066.
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