Quantum dot ligand and method for preparing the same, light emitting device and method for preparing the same, and display device
AssigneeBeijing BOE Technology Development Co., Ltd.
InventorTieshi Wang
Life of this patent
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Abstract
The present disclosure provides a quantum dot ligand and a method for preparing the same, a light emitting device and a method for preparing the same, and a display device. The quantum dot ligand is an azobenzene compound represented by formula (I). The azobenzene compound in the quantum dot ligand of the present disclosure has at least one group on each benzene ring, and the groups on the benzene rings of the azobenzene compound can be connected to the quantum dot through a coordination bond, thereby forming a network or chain structure.
Claims19
A quantum dot ligand, which is an azobenzene compound represented by the following structural formula (I):
- wherein R1, R2, R3, R4, R5 and R6 are independently —H, —(CH2)nSH or —(CH2)pNH2;
- and at least one of R1, R2 and R3 is —(CH2)nSH or —(CH2)pNH2, and at least one of R4, R5 and R6 is —(CH2)nSH or —(CH2)pNH2, wherein n, m and p is independently an integer from 0 to 3.
A method for preparing a quantum ligand, which is an azobenzene compound represented by the following structural formula (I):
- wherein R1, R2, R3, R4, R5 and R6 are independently —H, —(CH2)nSH, —(CH2)mCOOH or —(CH2)pNH2;
- and at least one of R1, R2 and R3 is —(CH2)nSH, —(CH2)mCOOH or —(CH2)pNH2, and at least one of R4, R5 and R6 is —(CH2)nSH, —(CH2)mCOOH or —(CH2)pNH2, wherein n, m and p is independently an integer from 0 to 3,
- the method comprising:
- reacting halogenated nitrobenzene, nitrobenzene carboxylic acid or p-phenylenediamine, to generate mercaptoazobenzene, carboxyazobenzene, or aminoazobenzene, respectively.
A quantum dot material, comprising quantum dots and a quantum dot ligand, wherein at least one group on each benzene ring of one azobenzene molecule is connected to the quantum dots through the coordination bond, and groups on two different benzene rings of one azobenzene molecule are respectively connected to different quantum dots through the coordination bond,
- wherein the quantum dot ligand is an azobenzene compound represented by the following structural formula (I):
- wherein R1, R2, R3, R4, R5 and R6 are independently —H, —(CH2)nSH, —(CH2)mCOOH or —(CH2)pNH2;
- and at least one of R1, R2 and R3 is —(CH2)nSH, —(CH2)mCOOH or —(CH2)pNH2, and at least one of R4, R5 and R6 is —(CH2)nSH, —(CH2)mCOOH or —(CH2)pNH2, wherein n, m and p is independently an integer from 0 to 3.
Dependencies are inferred from the claim text.