Treatment liquid containing ionic compound, organic electronic element, and method for producing organic electronic element

Abstract

An embodiment of the present invention relates to a treatment liquid which contains an ionic compound and a solvent, and is used for adhering the ionic compound to at least one surface selected from the group consisting of a surface on which a layer having hole transport properties is to be formed, and a surface of a layer having hole transport properties.

1 - 17 . (canceled) 
     
     
         18 . A method for producing an organic electronic element, comprising a step of applying a treatment liquid to a surface of an anode, wherein the treatment liquid contains a compound having a polymerizable substituent. 
     
     
         19 . The method for producing an organic electronic element according to  claim 18 , further comprising:
 a step of forming a layer (A) having hole transport properties on a surface of the anode to which the treatment liquid has been applied, and   a step of forming a cathode.   
     
     
         20 . The method for producing an organic electronic element according to  claim 18 , further comprising a step of forming a light-emitting layer. 
     
     
         21 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent has at least one group selected from the group consisting of an oxetanyl group, epoxy group, vinyl group, vinyl ether group, acrylate group and methacrylate group. 
     
     
         22 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent has at least one group selected from the group consisting of an oxetanyl group, epoxy group and vinyl ether group. 
     
     
         23 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent has at least one group selected from the group consisting of an oxetanyl group and an epoxy group. 
     
     
         24 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent has two or more of same or different polymerizable substituents. 
     
     
         25 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent has two same polymerizable substituents. 
     
     
         26 . The method for producing an organic electronic element according to claim  1 , wherein the compound having a polymerizable substituent has two different polymerizable substituents. 
     
     
         27 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent includes a structure containing a conjugated system in addition to the structure of the polymerizable substituent. 
     
     
         28 . The method for producing an organic electronic element according to  claim 18 , wherein the compound having a polymerizable substituent does not have a structure containing a conjugated system in addition to the structure included in the polymerizable substituent. 
     
     
         29 . The method for producing an organic electronic element according to  claim 18 , wherein the treatment liquid further contains an ionic compound. 
     
     
         30 . The method for producing an organic electronic element according to  claim 29 , wherein the ionic compound has at least one anion selected from the group consisting of anions represented by any one of formula (1A) to formula (5A) shown below: 
       
         
           
           
               
               
           
         
       
       wherein E 1  represents an oxygen atom, E 2  represents a nitrogen atom, E 3  represents a carbon atom, E 4  represents a boron atom or a gallium atom, and E 5  represents a phosphorus atom or an antimony atom, each of Y 1  to Y 6  independently represents a single bond or a divalent linking group, and each of R 1  to R 16  independently represents an electron-withdrawing monovalent group (wherein R 2  and R 3 , at least two groups selected from among R 4  to R 6 , at least two groups selected from among R 7  to R 10 , and at least two groups selected from among R 11  to R 16  may be bonded together). 
     
     
         31 . The method for producing an organic electronic element according to  claim 29 , wherein the ionic compound has at least one cation selected from the group consisting of cations of elements belonging to group 1 or group 2 of the IUPAC Periodic Table of Elements, and cations represented by any one of formula (1B) to formula (3B) shown below: 
       
         
           
           
               
               
           
         
       
       wherein A 1  represents an element belonging to group 17 or group 14 of the IUPAC Periodic Table of Elements, A 2  represents an element belonging to group 16 or group 14 of the IUPAC Periodic Table of Elements, A 3  represents an element belonging to group 15 of the IUPAC Periodic Table of Elements, and each of R 1  to R 9  independently represents a hydrogen atom or an organic group (wherein R 1  and R 2 , at least two groups selected from among R 3  to R 5 , and at least two groups selected from among R 6  to R 9  may be bonded together). 
     
     
         32 . The method for producing an organic electronic element according to  claim 29  wherein a mass ratio between the ionic compound and the compound having a polymerizable substituent is within a range from 1:1,000 to 1,000:1.