K3B3O4(OH)4·2H2O: A UV Nonlinear Optical Crystal with Isolated [B3O4(OH)4]3– Anion Groups
收藏Figshare2016-08-31 更新2026-04-29 收录
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https://figshare.com/articles/dataset/K_sub_3_sub_B_sub_3_sub_O_sub_4_sub_OH_sub_4_sub_2H_sub_2_sub_O_A_UV_Nonlinear_Optical_Crystal_with_Isolated_B_sub_3_sub_O_sub_4_sub_OH_sub_4_sub_sup_3_sup_Anion_Groups/3551919
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A potential ultraviolet (UV) nonlinear optical (NLO) material, K3B3O4(OH)4·2H2O, was successfully synthesized by hydrothermal methods. The compound crystallizes into the Cmc21 space group and exhibits isolated [B3O4(OH)4]3– anion groups connected by O–H···O hydrogen bonds. The UV–vis diffuse reflectance spectrum shows that K3B3O4(OH)4·2H2O has a wide transparency range with an absorption edge below 190 nm. Powder second harmonic generation (SHG) measurements using 1064 nm radiation revealed a moderate efficiency, 0.8 × KDP. Additional particle size vs SHG efficiency measurements indicate that K3B3O4(OH)4·2H2O is type I phase-matchable. Our calculated results show that the borate groups as well as the waters of hydration determine the NLO properties of K3B3O4(OH)4·2H2O.
创建时间：
2016-08-31
