Effect of the [Ba2BO3F]∞ Layer on the Band Gap: Synthesis, Characterization, and Theoretical Studies of BaZn2B2O6•nBa2BO3F (n=0, 1, 2)

被引:20
作者
Wu, Hongping [1 ]
Su, Xin [1 ,2 ]
Han, Shujuan [1 ]
Yang, Zhihua [1 ]
Pan, Shilie [1 ]
机构
[1] Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Funct Mat & Devices Special Environm, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金
中国国家自然科学基金;
关键词
NONLINEAR-OPTICAL MATERIAL; CONGRUENTLY MELTING COMPOUND; CRYSTAL-STRUCTURE; BORATE CRYSTALS; BO4; TETRAHEDRA; GENERATION; GROWTH; EDGE;
D O I
10.1021/acs.inorgchem.6b00300
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new zincoborate fluorides with the common formula BaZn2B2O6 center dot nBa(2)BO(3)F (n = 1, 2) have been successfully synthesized for the relationship study between the band gaps and crystal structures in zinc-containing borate fluorides. Ba3Zn2B3O9F with n = 1 in the common formula belongs to the orthorhombic space group Pnrrza (No. 20), and Ba5Zn2B4O12F2 with n = 2 in the common formula crystallizes in the monoclinic space group C2/c (No. 62). They can'both be seen as compounds with the n[Ba2BO3F](infinity) (n = 1 or 2) layer inserted in the structure of BaZn2B2O6. UV-vis-near-IR diffuse-reflectance spectra show that the band gaps of BaZn(2)B(2)O(6 center dot)nBa(2)BO(3)F (n = 0, 1, 2) gradually increase with more [Ba2BO3F], layers inserted. The first-principles calculation indicates that the inserted n[Ba2BO3](infinity) layers spectra, thermal behaviors, and refractive indices of these compounds are also studied.
引用
收藏
页码:4806 / 4812
页数:7
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