Merocyanine dye and photoelectric conversion device

Abstract

A merocyanine dye is provided. The merocyanine dye is represented by formula (1). In the formula (1), A 1 represents a divalent atomic group, n represents an integer of 1 to 3, A 2 and A 3 each independently represent an aromatic hydrocarbon ring or a heterocyclic ring having 3 to 18 carbon atoms, and R 11 and R 12 each independently represent a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an aryl group having 6 to 18 carbon atoms, or a heterocyclic group having 3 to 18 carbon atoms.

1 . A photoelectric conversion device comprising:
 a pair of electrodes; and   a photoelectric conversion section which is provided between the pair of electrodes and which includes a photoelectric conversion layer containing an organic dye, wherein the organic dye is a merocyanine dye having a fluorescence quantum yield of 10% or higher.   
     
     
         2 . The photoelectric conversion device according to  claim 1 , further comprising a charge transporting layer. 
     
     
         3 . The photoelectric conversion device according to  claim 1 , further comprising an electron blocking layer between the pair of electrodes. 
     
     
         4 . The photoelectric conversion device according to  claim 1 , wherein the pair of electrodes contains a transparent conducting oxide. 
     
     
         5 . The photoelectric conversion device according to  claim 4 , wherein the transparent conducting oxide is iridium tin oxide. 
     
     
         6 . A method for reading a light signal from a photoelectric conversion device of  claim 1 , comprising applying a voltage to the photoelectric conversion device. 
     
     
         7 . A method for reading a light signal from a photoelectric conversion device of  claim 1 , comprising applying a voltage to the photoelectric conversion device. 
     
     
         8 . A method for manufacturing a photoelectric conversion device of  claim 1 , comprising forming an organic material layer by vacuum heating evaporation. 
     
     
         9 . A method for manufacturing a photoelectric conversion device, comprising forming an organic material layer by vacuum heating evaporation, wherein the photoelectric conversion device comprises:
 a pair of electrodes; and   a photoelectric conversion section which is provided between the pair of electrodes and includes a photoelectric conversion layer containing an organic dye, wherein the organic dye is a merocyanine dye represented by formula (1):   
       
         
           
           
               
               
           
         
       
       wherein A 1  represents a divalent group derived from a nitrogen-containing heterocyclic ring, n represents an integer of 1 to 3, A 2  and A 3  each independently represents an aromatic hydrocarbon ring or a heterocyclic ring having 3 to 18 carbon atoms, and R 11  and R 12  each independently represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an aryl group having 6 to 18 carbon atoms, or a heterocyclic group having 3 to 18 carbon atoms.