NITROGEN-CONTAINING COMPOUND, ELECTRONIC ELEMENT AND ELECTRONIC DEVICE

20250115554

18/728862

May 15, 2023

The present disclosure belongs to the technical field of organic materials, and relates to a nitrogen-containing compound, an electronic element and an electronic device. The compound has a structure as shown in formula (1) below. The nitrogen-containing compound of the present disclosure can improve the performance of an electronic element. [chemical expression included]

1. A nitrogen-containing compound having a structure shown in the following Formula 1: [chemical expression included] wherein, R2 to R9 are identical or different, and each is independently hydrogen or deuterium; R1 and R10 are identical or different, and each is independently selected from hydrogen, deuterium, and group A, and only one of R1 and R10 is selected from group A, and the group A is selected from an aryl having 6 to 12 carbon atoms, and a deuterated aryl having 6 to 12 carbon atoms; Ar1 and Ar2 are identical or different, and each is independently selected from a substituted or unsubstituted phenyl, a substituted or unsubstituted naphthyl, a substituted or unsubstituted biphenyl, a substituted or unsubstituted terphenyl, a substituted or unsubstituted phenanthryl, a substituted or unsubstituted anthryl, a substituted or unsubstituted fluorenyl, a substituted or unsubstituted dibenzofuranyl, a substituted or substituted dibenzothienyl, and a substituted or unsubstituted carbazolyl; substituent(s) in Ar1 and Ar2 are each independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl, naphthyl, trideuteromethyl, trifluoromethyl, and trimethylsilyl; optionally, any two adjacent substituents form a benzene ring, or a fluorene ring; each L is independently selected from a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, a substituted or unsubstituted biphenylene, a substituted or unsubstituted fluorenylene, a substituted or unsubstituted dibenzothienylene, a substituted or unsubstituted dibenzofuranylene, and a substituted or unsubstituted carbazolylene, n represents or 2, and when n is 2, each L is identical or different; substituent(s) in L are identical or different, and each is independently selected from deuterium, fluorine, cyano, methyl, ethyl, isopropyl, and tert-butyl; L1 and L2 are identical or different, and each is independently selected from a single bond, a substituted or unsubstituted phenylene, and a substituted or unsubstituted naphthylene; substituent(s) in L1 and L2 are identical or different, and each is independently selected from deuterium, fluorine, cyano, methyl, ethyl, isopropyl, tert-butyl, and phenyl.

2. The nitrogen-containing compound according to claim 1, wherein group A is selected from a deuterium-substituted or unsubstituted phenyl, a deuterium-substituted or unsubstituted naphthyl, and a deuterium-substituted or unsubstituted biphenyl.

3-4. (canceled)

5. The nitrogen-containing compound according to claim 1, wherein Ar1 and Ar2 are each independently selected from a substituted or unsubstituted group V, and the unsubstituted group V is selected from the following groups: [chemical expression included] the substituted group V has one or more substituent(s), and each substituent is independently selected from deuterium, fluorine, cyano, methyl, ethyl, isopropyl, tert-butyl, trimethylsilyl, trideuteromethyl, trifluoromethyl, phenyl, and naphthyl.

6. The nitrogen-containing compound according to claim 1, wherein Ar1 and Ar2 are each independently selected from the group consisting of the following groups: [chemical expression included]

7-8. (canceled)

9. The nitrogen-containing compound according to claim 1, wherein each L is independently selected from the group consisting of the following groups: [chemical expression included] L1 and L2 are each independently selected from the group consisting of a single bond and the following groups: [chemical expression included]

10. (canceled)

11. The nitrogen-containing compound according to claim 1, wherein the nitrogen-containing compound is selected from the group consisting of the following compounds: [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included]

12. An electronic element, comprising an anode and a cathode disposed opposite to each other, and a functional layer disposed between the anode and the cathode; wherein the functional layer comprises the nitrogen-containing compound according to claim 1.

13. The electronic element according to claim 12, wherein the functional layer comprises a hole transport layer, and the hole transport layer comprises the nitrogen-containing compound.

14. The electronic element according to claim 12, wherein the electronic element is an organic electroluminescent device, and the hole transport layer comprises a first hole transport layer and a second hole transport layer that are stacked in sequence, and relative to the second hole transport layer, the first hole transport layer is closer to the anode; wherein the second hole transport layer comprises the nitrogen-containing compound.

15. An electronic device, comprising the electronic element according to claim 12.

16. The electronic element according to claim 12, wherein the electronic element is selected from an organic electroluminescent device and a photoelectric conversion device.

07; 07; 07; 07; 07; 10

edspap.20250115554