SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge
Liu, LL (Liu, Lili); Yang, Y (Yang, Yun); Li, LP (Li, Linping); Yang, ZH (Yang, Zhihua); Pan, SL (Pan, Shilie)
2017
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号695期号:2页码:1719-1724
摘要

A new strontium nitrate hydrate SrNO3(OH)center dot H2O has been synthesized by hydrothermal method. The title compound crystallizes in Pbca (no. 61) with the lattice parameters a = 9.801(5), b = 6.179(3), and c = 14.355(7) angstrom (Z = 8). Isolated NO3 anionic groups are combined through the SrO9 polyhedra to form a three-dimensional (3D) network. From the aspect of cationic framework, the Sr-O net can be simplified as an uninodal net with Schlafli symbol of {4(4).6(6)} considering the SrO9 polyhedra as five-connected (5c) nodes. Its UV-Vis-NIR diffuse reflectance spectral data indicate that it has a UV cut-off edge of 288 nm which corresponds to the energy gap of 4.31 eV. Theoretical calculations prove that SrNO3(OH)center dot H2O has a direct band gap of 3.72 eV, which is smaller than the experimental value. Crystal structural comparison among strontium nitrate hydrates indicates that different cation frameworks give anionic groups distinct restraint which has an influence on the arrangement of anionic groups.

关键词Srno3(Oh)Center Dot H2o Synthesis Crystal Structure Spectral Measurements Theoretical Calculations
DOI10.1016/j.jallcom.2016.11.001
收录类别SCI
WOS记录号WOS:000391817600216
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4877
专题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
通讯作者Pan, SL (Pan, Shilie)
作者单位1.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Liu, LL ,Yang, Y ,Li, LP ,et al. SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,695(2):1719-1724.
APA Liu, LL ,Yang, Y ,Li, LP ,Yang, ZH ,&Pan, SL .(2017).SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge.JOURNAL OF ALLOYS AND COMPOUNDS,695(2),1719-1724.
MLA Liu, LL ,et al."SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge".JOURNAL OF ALLOYS AND COMPOUNDS 695.2(2017):1719-1724.
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