Organic ligand and preparation method thereof, quantum dot structure material, quantum-dot-containing layer, and light emitting diode
AssigneeBoe Technology Group Co., Ltd.
InventorZhuo Chen
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Abstract
The present disclosure provides quantum dot organic ligand and preparation method thereof, quantum dot structure material, quantum-dot-containing layer, and quantum-dot-containing light emitting diode. The quantum dot organic ligand have the following structure R1-(R2)n-R3, wherein R1 is a chelating group capable of chelating with a metal; R2 is a group having a conjugated electron pair, and n is a positive integer; and R3 is organic group. The conjugated electron pair structure of R2 facilitates delocalization of electrons, which can improve the transport and conduction of electrons and/or holes, thereby improving the efficiency of quantum dots and lowering the turn-on voltage.
Claims20
A quantum dot organic ligand, comprising a structure represented by a formula:
- R1-(R2)n-R3.
- wherein:
- R1 is a chelating group capable of chelating with a metal;
- R2 is a group having a conjugated electron pair, and n is a positive integer;
- and
- R3 is an organic group.
A method for preparing a quantum dot organic ligand, comprising:
- producing a (R2)n-R3 compound by a reaction between a (R2)n-Br compound and a R3-Br compound, wherein R2 is a group having a conjugated electron pair, n is a positive integer, and R3 is an organic group;
- producing a Br—(R2)n-R3 compound by a reaction between the (R2)n-R3 compound and a brominating reagent;
- and
- producing the R1-(R2)n-R3 compound by a reaction between the Br—(R2)n-R3 compound and a Grignard reagent having R1 group for a Grignard reaction, wherein R1 is a chelating group capable of chelating with a metal.
A method for preparing a quantum dot organic ligand, comprising:
- dehydrobrominating 3-(bromomethyl)heptane to produce 3-ethyl-1-octene;
- and
- dissolving the 3-ethyl-1-octene, dibromobenzene, 3-(3-Bromophenyl)propionic acid, and a catalyst in an organic solvent to obtain a solution, heating the solution in an inert gas atmosphere for a Heck reaction to produce a polymer having a formula:
- wherein n is an integer greater than 1.
Dependencies are inferred from the claim text.