Patent ID: 11955578
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. The optoelectronic apparatus of claim 1, wherein
the three-dimensional perovskite is represented by Formula 1, and
the two-dimensional perovskite is represented by Formula 2:

[A1][B1][X1]3  Formula 1

[A2]2[A3]n−1[B2]n[X2]3n+1  Formula 2

wherein, in Formula 1,
A1 is R11R12R13C, R14R15R16R17N, R18R19N═C(R20)—NR21R22, Li, Na, K, Rb, Cs, Fr, or a combination thereof,
A2 and A3 are each independently R31R32R33C, R34R35R36R37N, R38R39N═C(R40)—NR41R42, Li, Na, K, Rb, Cs, Fr, or a combination thereof,
wherein R11 to R22 are each independently hydrogen, deuterium, —N(Q11)(Q12), a C1-C3 alkyl group, a C2-C3 alkenyl group, a C2-C3 alkynyl group, or a C1-C3 alkoxy group,
wherein Q11 and Q12 are each independently hydrogen, deuterium, a C1-C3 alkyl group, a C2-C3 alkenyl group, a C2-C3 alkynyl group, a C1-C3 alkoxy group, or a combination thereof;
wherein R31 to R42 are each independently hydrogen, deuterium, —N(Q21)(Q22), a substituted or unsubstituted C1-C10 alkyl group, a substituted or unsubstituted C2-C10 alkenyl group, a substituted or unsubstituted C2-C10 alkynyl group, a substituted or unsubstituted C1-C10 alkoxy group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 aralkyl group, or a combination thereof,
wherein at least one of R31 to R33, at least one of R34 to R37, and at least one of R38 to R42 are each independently a substituted or unsubstituted C4-C10 alkyl group, a substituted or unsubstituted C4-C10 alkenyl group, a substituted or unsubstituted C4-C10 alkynyl group, a substituted or unsubstituted C4-C10 alkoxy group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 aralkyl group, or a combination thereof;
wherein Q21 and Q22 are each independently hydrogen, deuterium, a substituted or unsubstituted C1-C10 alkyl group, a substituted or unsubstituted C2-C10 alkenyl group, a substituted or unsubstituted C2-C10 alkynyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 aralkyl group, or a combination thereof;
B1 and B2 are each independently Pb, Sn, Bi, Sb, Cu, Ag, Au, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Be, Mg, Ca, Sr, Ba, Ra, or a combination thereof;
X1 and X2 are each independently F, Cl, Br, I, or a combination thereof; and
n is an integer of 1 or greater.