The First Examples of Lithium-Containing Mixed-Alkali Strontium Borates with Different Dimensional Anionic Architectures and Short Cutoff Edges
Ma, RR (Ma, Ruru)[ 1,2 ]; Yang, Y (Yang, Yun)[ 1 ]; Hu, C (Hu, Cong)[ 1,2 ]; Yang, ZH (Yang, Zhihua)[ 1 ]; Pan, SL (Pan, Shilie)[ 1 ]
2018
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
Volume24Issue:57Pages:15355-15364
Abstract

Three new mixed-alkali strontium borates, Li2KSr6(BO3)(5), Li2Rb7Sr24(BO3)(19), and Li2Rb2SrB18O30, have been synthesized by the high-temperature solution method by adjusting the molar ratios of the reactants. They represent the first examples of lithium-containing mixed-alkali strontium borates. The structures of the three compounds show different dimensional anionic architectures, with Li2KSr6(BO3)(5) and Li2Rb7Sr24(BO3)(19) possessing isolated BO3 units, whereas Li2Rb2SrB18O30 has three-dimensional (3D) (3)(infinity)[B9O15](3-) open frameworks with three types of channels occupied by the strontium and rubidium atoms. Interestingly, Li2KSr6(BO3)(5) is the first example of a (1)(infinity)[Li2O7](12-) chain composed of LiO5 linked through the sharing of vertexes and edges. However, in Li2Rb7Sr24(BO3)(19), isolated LiO3 units can be observed, which is also rare in borates. Detailed analysis and comparisons of the structures of the anhydrous mixed-alkali- and alkaline-earth-metal borates and nine-polymeric fundamental building blocks have been made. Furthermore, Li2Rb7Sr24(BO3)(19) and Li2Rb2SrB18O30 present short cutoff edges (< 190 nm), which was confirmed by the UV/Vis/NIR diffuse reflectance spectra. These attributes make them attractive for deep-UV optical materials.

KeywordAlkali Metals Borates Density Functional Calculations Strontium Structure Elucidation
DOI10.1002/chem.201803325
Indexed BySCI
WOS IDWOS:000447124800030
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5613
Collection中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
Corresponding AuthorPan, SL (Pan, Shilie)[ 1 ]
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Functioal Mat & Devices Special Environm, Urumqi 830011, Peoples R China
2.Univ, Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ma, RR ,Yang, Y ,Hu, C ,et al. The First Examples of Lithium-Containing Mixed-Alkali Strontium Borates with Different Dimensional Anionic Architectures and Short Cutoff Edges[J]. CHEMISTRY-A EUROPEAN JOURNAL,2018,24(57):15355-15364.
APA Ma, RR ,Yang, Y ,Hu, C ,Yang, ZH ,&Pan, SL .(2018).The First Examples of Lithium-Containing Mixed-Alkali Strontium Borates with Different Dimensional Anionic Architectures and Short Cutoff Edges.CHEMISTRY-A EUROPEAN JOURNAL,24(57),15355-15364.
MLA Ma, RR ,et al."The First Examples of Lithium-Containing Mixed-Alkali Strontium Borates with Different Dimensional Anionic Architectures and Short Cutoff Edges".CHEMISTRY-A EUROPEAN JOURNAL 24.57(2018):15355-15364.
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