li 9 na 3 rb 2 (so 4 ) 7 Compound, nonlinear optical crystal and its preparation method and application
A nonlinear optics, SO4 technology, applied in the field of Li9Na3Rb27 compounds, can solve problems such as unfavorable long-term work
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Embodiment 1
[0044] Adopt solid phase reaction method, reaction equation is as follows:
[0045] (a)9Li 2 SO 4 ·H 2 O+3Na 2 SO 4 +2Rb 2 SO 4 =2Li 9 Na 3 Rb 2 (SO 4 ) 7 +9H 2 O↑
[0046] The dosage of the above three reagents: Li 2 SO 4 ·H 2 O 23.03 grams (0.18mol), Na 2 SO 4 8.52 grams (0.06mol), Rb 2 SO 4 10.68g (0.04mol)
[0047] The specific operation steps are: weigh the reagents according to the above dosage, put them into a mortar, mix and grind them evenly, then put them into a platinum crucible, compact them, put them into a muffle furnace, and heat them at 30°C / hour. The temperature was raised to 380°C at a rate of 100°C / hour, and then kept for sintering for 24 hours. After cooling down to room temperature, the Li 9 Na 3 Rb 2 (SO 4 ) 7 The pure phase of the compound.
[0048] Such as figure 2 As shown, the powder X-ray diffraction pattern obtained from the experiment is consistent with the pattern obtained by fitting according to its single crystal st...
Embodiment 2
[0050] Adopt solid phase reaction method, reaction equation is as follows:
[0051] (b)9Li 2 SO 4 +3Na 2 SO 4 +2Rb 2 SO 4 =2Li 9 Na 3 Rb 2 (SO 4 ) 7
[0052] The dosage of the above three reagents: Li 2 SO 4 19.79 g (0.18 mol), Na 2 SO 4 8.52 g (0.06 mol), Rb 2 SO 4 10.68g (0.04mol)
[0053] The specific operation steps are: weigh the reagents according to the above dosage, put them into a mortar, mix and grind them evenly, then put them into a platinum crucible, compact them, put them into a muffle furnace, and heat them at 30°C / hour. The temperature was raised to 380°C at a rate of 100°C / hour, and then kept for sintering for 24 hours. After cooling down to room temperature, the Li 9 Na 3 Rb 2 (SO 4 ) 7 The pure phase of the compound.
[0054] Such as figure 2 As shown, the powder X-ray diffraction pattern obtained from the experiment is consistent with the pattern obtained by fitting according to its single crystal structure.
Embodiment 3
[0056] Adopt solid phase reaction method, reaction equation is as follows:
[0057] (c)9Li 2 SO 4 ·H 2 O+3Na 2 SO 4 10H 2 O+2Rb 2 SO 4 =2Li 9 Na 3 Rb 2 (SO 4 ) 7 +39 H 2 O↑
[0058] The dosage of the above three reagents: Li 2 SO 4 ·H 2 O 23.03 grams (0.18mol), Na 2 SO 4 10H 2 O 19.33 g (0.06 mol), Rb 2 SO 4 10.68g (0.04mol)
[0059] The specific operation steps are: weigh the reagents according to the above dosage, put them into a mortar, mix and grind them evenly, then put them into a platinum crucible, compact them, put them into a muffle furnace, and heat them at 30°C / hour. The temperature was raised to 400°C at a rate of 100°C / hour, and then kept for sintering for 24 hours. After cooling down to room temperature, the Li 9 Na 3 Rb 2 (SO 4 ) 7 The pure phase of the compound.
[0060] Such as figure 2 As shown, the powder X-ray diffraction pattern obtained from the experiment is consistent with the pattern obtained by fitting according to its s...
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