Alpha-position tetrapropyl-substituted metal phthalocyanine, preparation method thereof, perovskite solar cell and preparation method of solar cell
A technology of solar cells and metal phthalocyanines, applied in the field of solar cells, can solve the problems of long-term stability of devices, high price, low hole mobility and low conductivity, etc., achieve excellent semiconductor characteristics, improve stability, and good Solubility effect
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[0032] The present invention also provides a preparation method of the α-position tetrapropyl substituted metal phthalocyanine having the structure shown in formula I, comprising the following steps:
[0033] After mixing propyl phthalonitrile, soluble divalent metal salt, 1,8-diazabicyclo-bicyclo(5,4,0)-7-undecene and organic solvent, the phthalo Cyanine ring-forming reaction, obtains the α-position tetrapropyl group substitution metal phthalocyanine with the structure shown in formula I;
[0034] The soluble divalent metal salt is Zn 2+ 、Ni 2+ 、Co 2+ , Ca 2+ , Mg 2+ 、Sr 2+ 、Ba 2+ , Pb 2+ , Sn 2+ or Mn 2+ Salt.
[0035] In the present invention, the soluble divalent metal salt is preferably soluble divalent metal chloride, acetate or sulfate. In the present invention, the soluble divalent metal chloride salt is preferably ZnCl 2 、NiCl 2 、 CoCl 2 , CaCl 2 , MgCl 2 , SrCl 2 , BaCl 2 , PbCl 2 , SnCl 2 or MnCl 2 .
[0036] In the present invention, the moles...
Embodiment 1
[0075] 1) Mix 2.0g of 4-propylphthalonitrile, 0.53g of zinc chloride, 1mL of 1,8-diazabicyclo-bicyclo(5,4,0)-7-undecene (DBU), 5mL of n- Pentanol (pentanol) was placed in a 50mL single-necked round-bottomed flask, repeatedly vacuumed and blown with argon to ensure that there was no oxygen inside the flask;
[0076] 2) The above reaction system was heated and refluxed at 138° C. for 24 h under the protection of argon to carry out phthalocyanine cyclization reaction, and then cooled to room temperature to obtain a phthalocyanine cyclization reaction solution;
[0077] 3) Filter the above-mentioned phthalocyanine cyclization reaction solution, wash the solid crude product on the filter paper with 100mL dichloromethane, and then place it in air to dry; As a cleaning agent, wash until the refluxed solvent is colorless, take it out, and dry it in the air; vacuum sublimation to obtain α-position tetrapropyl substituted zinc phthalocyanine.
[0078] The principle of phthalocyanine cy...
Embodiment 2~ Embodiment 10
[0081] Replace 0.53g of zinc chloride with 0.50g of CoCl respectively 2 , 0.50g NiCl 2 , 0.49g MnCl 2 , 0.43gCaCl 2 , 0.37g MgCl 2 , 0.62g SrCl 2 , 0.81g BaCl 2 , 0.69g PbCl 2 , 0.74 gSnCl 2 , and other conditions remain unchanged, the α-position tetrapropyl substituted zinc phthalocyanine, α-position tetrapropyl substituted cobalt phthalocyanine, α-position tetrapropyl substituted nickel phthalocyanine, α-position tetrapropyl substituted manganese phthalocyanine, α-position tetrapropyl substituted manganese phthalocyanine, α-position Tetrapropyl substituted calcium phthalocyanine, α tetrapropyl substituted magnesium phthalocyanine, α tetrapropyl substituted strontium phthalocyanine, α tetrapropyl substituted barium phthalocyanine, α tetrapropyl substituted lead phthalocyanine, α Tetrapropyl substituted tin phthalocyanine.
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