Composition for stable storage at room temperature and preparation method of quantum dot light emitting diode device

[0054] (1) ITO cleaning: put the ITO glass piece into a beaker filled with acetone, alcohol and deionized water in sequence, and place the beaker in an ultrasonic cleaner for 10 minutes in sequence. Place the washed ITO in a vacuum oven and dry for later use.

[0055] (2) An electron transport layer ZnO was spin-coated on the ITO conductive glass.

[0056] (3) A hole blocking layer is spin-coated on the electron transport layer.

[0057] (4) Spin-coat a layer of quantum dot luminescent layer on the hole blocking layer.

[0058] (5) Spin-coat a layer of hole transport layer on the quantum dot light-emitting layer.

[0059] (6) A hole injection layer is spin-coated on the hole transport layer.

[0060] (7) On the hole injection layer, a layer of cathode metal Al electrode is evaporated.

[0061] In the above step (2), a ligand and a flocculant are added to the electron transport layer, the ligand is sodium polyacrylate, the flocculant is sodium chloride, and the concentratio...

[0064] (1) ITO cleaning: put the ITO glass piece into a beaker filled with acetone, alcohol and deionized water in sequence, and place the beaker in an ultrasonic cleaner for 10 minutes in sequence. Place the washed ITO in a vacuum oven and dry for later use.

[0065] (2) An electron transport layer ZnO was spin-coated on the ITO conductive glass.

[0066] (3) A hole blocking layer is spin-coated on the electron transport layer.

[0067] (4) Spin-coat a layer of quantum dot luminescent layer on the hole blocking layer.

[0068] (5) Spin-coat a layer of hole transport layer on the quantum dot light-emitting layer.

[0069] (6) A hole injection layer is spin-coated on the hole transport layer.

[0070] (7) On the hole injection layer, a layer of cathode metal Al electrode is evaporated.

[0071] In the above step (2), a ligand and a flocculant are added to the electron transport layer, the ligand is sodium polyacrylate, the flocculant is sodium chloride, and the concentratio...

[0073] (1) ITO cleaning: put the ITO glass piece into a beaker filled with acetone, alcohol and deionized water in sequence, and place the beaker in an ultrasonic cleaner for 10 minutes in sequence. Place the washed ITO in a vacuum oven and dry for later use.

[0074] (2) Spin-coat an electron transport layer TiO on the ITO conductive glass 2 .

[0075] (3) A hole blocking layer is spin-coated on the electron transport layer.

[0076] (4) Spin-coat a layer of quantum dot luminescent layer on the hole blocking layer.

[0077] (5) Spin-coat a layer of hole transport layer on the quantum dot light-emitting layer.

[0078] (6) A hole injection layer is spin-coated on the hole transport layer.

[0079] (7) On the hole injection layer, a layer of cathode metal Al electrode is evaporated.

[0080] In the above step (2), a ligand and a flocculant are added to the electron transport layer, the ligand is sodium polyacrylate, the flocculant is sodium chloride, and the concentration ...