Quantum dot device and electronic device including the same
AssigneesSamsung Electronics Co., Ltd., Samsung Display Co., Ltd., The Governing Council of the University of Toronto
InventorsEun Joo Jang, Seungjin Lee, Edward Sargent, Kwanghee Kim, Yuho Won
Life of this patent
Estimating the term…
Abstract
A quantum dot device and an electronic device including the device are provided. The quantum dot device includes a first electrode and a second electrode, a quantum dot layer disposed between the first electrode and the second electrode, and a hole auxiliary layer disposed between the quantum dot layer and the first electrode, wherein the hole auxiliary layer includes nickel oxide and a self-assembled monolayer disposed between the hole auxiliary layer and the quantum dot layer, the self-assembled monolayer including an organic compound represented by Chemical Formula 1.
Claims18
A quantum dot device, comprising
- a first electrode and a second electrode,
- a quantum dot layer disposed between the first electrode and the second electrode,
- a hole auxiliary layer disposed between the quantum dot layer and the first electrode, wherein the hole auxiliary layer comprises NiOx, wherein 1.1≤x≤1.5, and
- a self-assembled monolayer disposed between the hole auxiliary layer and the quantum dot layer, the self-assembled monolayer comprising an organic compound represented by Chemical Formula 1:
- wherein, in Chemical Formula 1,
- A is an anionic anchor group,
- Ra and Rb are each independently hydrogen, deuterium, a C1 to C10 alkyl group, or a C1 to C10 fluoroalkyl group,
- n is an integer from 0 to 3,
- Cy is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, or a substituted or unsubstituted C2 to C30 heterocycloalkyl group, and
- X is a hydrophobic substituted or unsubstituted C1 to C20 alkyl group, F, Cl, or I.
A quantum dot device, comprising
- a first electrode and a second electrode,
- a quantum dot layer disposed between the first electrode and the second electrode,
- a hole auxiliary layer disposed between the quantum dot layer and the first electrode, wherein the hole auxiliary layer comprises nickel oxide,
- a self-assembled monolayer disposed between the hole auxiliary layer and the quantum dot layer, and
- an electron auxiliary layer comprising inorganic nanoparticles or an organic material,
- wherein the self-assembled monolayer comprises an organic compound represented by Chemical Formula 1:
- wherein, in Chemical Formula 1,
- A is an anionic anchor group,
- Ra and Rb are each independently hydrogen, deuterium, a C1 to C10 alkyl group, or a C1 to C10 fluoroalkyl group,
- n is an integer from 0 to 3,
- Cy is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, or a substituted or unsubstituted C2 to C30 heterocycloalkyl group, and
- X is a hydrophobic substituted or unsubstituted C1 to C20 alkyl group or a halogen.
A quantum dot device, comprising
- a first electrode and a second electrode,
- a quantum dot layer disposed between the first electrode and the second electrode,
- a first hole auxiliary layer disposed between the quantum dot layer and the first electrode, wherein the first hole auxiliary layer comprises nickel oxide,
- a second hole auxiliary layer comprising an organic material between the first hole auxiliary layer and the quantum dot layer, and
- a self-assembled monolayer disposed between the first hole auxiliary layer and the quantum dot layer,
- wherein the self-assembled monolayer comprises an organic compound represented by Chemical Formula 1:
- wherein, in Chemical Formula 1,
- A is an anionic anchor group,
- Ra and Rb are each independently hydrogen, deuterium, a C1 to C10 alkyl group, or a C1 to C10 fluoroalkyl group,
- n is an integer from 0 to 3,
- Cy is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, or a substituted or unsubstituted C2 to C30 heterocycloalkyl group, and
- X is a hydrophobic substituted or unsubstituted C1 to C20 alkyl group or a halogen.
Dependencies are inferred from the claim text.