The bulk heterojunction device of the enhancing prepared by heat and solvent vapo(u)r annealing method

The bulk heterojunction device of the enhancing prepared by heat and solvent vapo(u)r annealing method

  • CN 102,939,673 B
  • Filed: 04/06/2011
  • Issued: 05/15/2018
  • Est. Priority Date: 04/08/2010
  • Status: Active Grant
First Claim
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1. a kind of method for preparing light-sensitive device, the described method includes:

  • The structure with least one first electrode and bulk heterojunction is provided, wherein the bulk heterojunction includes at least one firstSmall molecule organic light active material and at least one second small molecule organic light active material, wherein the first and second small molecules haveAt least one of machine light active material side of being acid;

    At least one solvent is provided;

    At least a portion of solvent is vaporized;

    AndAt least a portion of the structure is exposed to the gasifying solvent, wherein described add first exposed to gasifying solventWith the crystallinity of at least one of the second small molecule organic light active material.

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