Rb-B-C-O-I-H compound, Rb-B-C-O-I-H nonlinear optical crystal, preparation method and application
A nonlinear optics, boron-carbon technology, applied in nonlinear optics, chemical instruments and methods, optics, etc., can solve the problems of easy deliquescence of CBO, low laser damage threshold, soluble in water, etc., achieving low cost and simple operation. , the effect of fast growth
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[0036] Example 1:
[0037] With chemical reaction formula 3Rb 2 CO 3 +2H 3 BO 3 +0.2LiOH+0.5PbI 2 →Rb 9 [B 4 O 5 (OH) 4 ] 3 (CO 3 )I·7H 2 O+Li + +Pb 2+ +H 2 O to prepare crystals, the specific steps are as follows:
[0038] a, Rb 2 CO 3 Add to the PTFE lining of the autoclave with a volume of 25mL, add H 3 BO 3 And PbI 2 , And then add 5mL deionized water to mix well, where Rb 2 CO 3 , H 3 BO 3 With PbI 2 The molar ratio is 3:2:0.5;
[0039] b. Add the solution in step a to the mineralizer LiOH and stir evenly, where LiOH and Rb in step a 2 CO 3 The molar ratio of is 3:0.2;
[0040] c. Then tighten the Teflon lining cap filled with the mixed solution in step b, put it into a clean and pollution-free high-pressure reaction vessel, and tighten the reaction vessel piston;
[0041] d. Place the autoclave in step c in a constant temperature box, raise the temperature to 120°C at a temperature rise rate of 20°C / h, keep the temperature constant for 1 day, and then cool to room temperature at a...
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[0043] Example 2:
[0044] With chemical reaction formula 3Rb 2 CO 3 +4H 3 BO 3 +0.2NaOH+0.5PbI 2 →Rb 9 [B 4 O 5 (OH) 4 ] 3 (CO 3 )I·7H 2 O+Na + +Pb 2+ +H 2 O Preparation of crystals:
[0045] a, Rb 2 CO 3 Add to the PTFE lining of the autoclave with a volume of 25mL, add H 3 BO 3 And PbI 2 , And then add 5mL deionized water to mix well, where Rb 2 CO 3 , H 3 BO 3 With PbI 2 The molar ratio is 3:4:0.5;
[0046] b. Add the solution in step a to NaOH, a mineralizer, and stir evenly, where NaOH and Rb in step a 2 CO 3 The molar ratio of is 3:0.2;
[0047] c. Then tighten the Teflon lining cap filled with the mixed solution in step b, put it into a clean and pollution-free high-pressure reaction vessel, and tighten the reaction vessel piston;
[0048] d. Place the autoclave in step c in a constant temperature box, raise the temperature to 150°C at a temperature rise rate of 30°C / h, keep the temperature constant for 5 days, and cool to room temperature naturally;
[0049] e. Open the autoclav...
Example Embodiment
[0050] Example 3:
[0051] With chemical reaction formula 3Rb 2 CO 3 +6H 3 BO 3 +0.2KOH+PbI 2 →Rb 9 [B 4 O 5 (OH) 4 ] 3 (CO 3 )I·7H 2 O+K + +Pb 2+ +H 2 O Preparation of crystals:
[0052] a, Rb 2 CO 3 Add to the PTFE lining of the autoclave with a volume of 50 mL, add H 3 BO 3 And PbI 2 , Then add 25mL of deionized water to mix well, where Rb 2 CO 3 , H 3 BO 3 With PbI 2 The molar ratio is 3:6:1;
[0053] b. Add KOH to the solution in step a as a mineralizer, where KOH and Rb in step a 2 CO 3 The molar ratio of is 3:0.2;
[0054] c. Then tighten the Teflon lining cap filled with the mixed solution in step b, put it into a clean and pollution-free high-pressure reaction vessel, and tighten the reaction vessel piston;
[0055] d. Place the autoclave in step c in a constant temperature box, raise it to 140°C at a temperature rise rate of 35°C / h, keep it at constant temperature for 8 days, and then cool to room temperature at a temperature drop rate of 15°C / h;
[0056] e. Open the autoclave ...
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