Polyacid-based metal organic frame proton conductor material of acid molecule functionalization and preparation method thereof
A technology of organic framework and molecular function, applied in the field of polyacid-based metal-organic framework proton conductor materials and its preparation, can solve the problems of unstable crystal water, reduced electrical conductivity, and easy loss, so as to increase the effective concentration and improve the proton conduction performance, beneficial effect of proton conduction
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Embodiment 1
[0023] In this example, H 2 SO 4 Molecularly functionalized POM-MOF hybrid material, the specific structure is shown in formula (II):
[0024] h 2 SO 4 @[Ag 8 L 5 ] (PMo 12 o 40 )·(H 2 O) 10 (Ⅱ)
[0025] The synthesis steps are as follows:
[0026] 1) [Ag 8 L 5 ] (PMo 12 o 40 )·(H 2 O) 10 Synthesis:
[0027] H 3 PMo 12 o 40 12H 2 O (0.30 g, 0.15 mmol), AgNO 3 (0.17 g, 1.00 mmol), HL (0.03 g, 0.21 mmol) and H 2 O (10 mL) was prepared into a mixed solution, stirred at room temperature for one hour, and then washed with 1 M HNO 3 The pH was adjusted to the range of 1.60-2.00, and then the mixed solution was transferred to a 18 mL high-temperature and high-pressure reactor, and placed in an oven at 160 °C for three days. After the reaction, the reactor was slowly cooled to room temperature at a cooling rate of 10 °C / h, filtered, rinsed with distilled water, and dried at room temperature to obtain yellow blocky crystals with a yield of 52%.
[0028] 2) H ...
Embodiment 2
[0031] In this example, H 3 PO 4 Molecularly functionalized POM-MOF hybrid material, the specific structure is shown in formula (Ⅲ):
[0032] h 3 PO 4 @[Ag 8 L 5 ] (PMo 12 o 40 )·(H 2 O) 10 (Ⅲ)
[0033] The synthesis steps are as follows:
[0034] 1) [Ag 8 L 5 ] (PMo 12 o 40 )·(H 2 O) 10 Synthesis:
[0035] H 3 PMo 12 o 40 12H 2 O (0.30 g, 0.15 mmol) , AgNO 3 (0.17 g, 1.00 mmol), HL (0.03 g, 0.21 mmol) and H 2 O (10 mL) was prepared into a mixed solution, stirred at room temperature for one hour, and then washed with 1 M HNO 3 The pH was adjusted to the range of 1.60-2.00, and then the mixed solution was transferred to a 18 mL high-temperature and high-pressure reactor, and placed in an oven at 160 °C for three days. After the reaction, the reactor was slowly cooled to room temperature at a cooling rate of 10 °C / h, filtered, rinsed with distilled water, and dried at room temperature to obtain yellow blocky crystals with a yield of 52%.
[0036] 2) H ...
Embodiment 3
[0039] In this example, H 2 SO 4 Molecularly functionalized POM-MOF hybrid material, the specific structure is shown in formula (IV):
[0040] h 2 SO 4 @[Ag 8 L 5 ](PW 12 o 40 )·(H 2 O) 13 (IV)
[0041] The synthesis steps are as follows:
[0042] 1) [Ag 8 L 5 ](PW 12 o 40 )·(H 2 O) 13 Synthesis:
[0043] H 3 PW 12 o 40 12H 2 O (0.30 g, 0.097 mmol), AgNO 3 (0.17 g, 1.00 mmol), HL (0.03 g, 0.21 mmol) and H 2 O (10 mL) was prepared into a mixed solution, stirred at room temperature for one hour, and then washed with 1 M HNO 3 The pH was adjusted to the range of 1.60-2.00, and then the mixed solution was transferred to a 18 mL high-temperature and high-pressure reactor, and placed in an oven at 160 °C for three days. After the reaction, the reactor was slowly cooled to room temperature at a cooling rate of 10 °C / h, filtered, rinsed with distilled water, and dried at room temperature to obtain yellow blocky crystals with a yield of 58%.
[0044] 2) H 2 S...
PUM
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