Compound and photoelectric device, image sensor and electronic device including the same

A compound comprising:

• a structure represented by one of Chemical Formulae 1-T to 1-W:
• wherein in Chemical Formulae 1-T to 1-W,
• Ar1 to Ar3 are independently one of a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C6 to C30 arene group, a substituted or unsubstituted C3 to C30 heterocyclic group, and a combination thereof in a condensed ring,
• D is deuterium,
• R1, R2, R3, R4, and R5 are independently one of hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C3 to C30 heteroaryl group, a halogen, a cyano group, a cyano-containing group, and a combination thereof,
• G is one of a single bond, —O—, —S—, —Se—, —N═, —(CRfRg)k—, —NRh—, —SiRiRj—, —GeRkRl—, —(C(Rm)═C(Rn))—, and SnRoRp wherein Rf, Rg, Rh, Ri, Rj, Rk, Rl, Rm, Rn, Ro and Rp are independently one of hydrogen, a halogen, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, and a substituted or unsubstituted C6 to C12 aryl group, and Ri and Rj, Rk and Rl, Rm and Rn, and Ro and Rp are independently present or linked with each other to provide a ring, and k is one of 1 and 2,
• Z1 is one of O or CRbRc, wherein Rb and Rc are independently one of hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a cyano group, and a cyano-containing group, provided that at least one of Rb and Rc is a cyano group or a cyano-containing group, and
• X1 is one of —Se—, —Te—, —O—, —S(═O)—, —S(═O)2—, —NRa—, —SiRbRc—, and —GeRdRe—,
• X2 and X3 are independently one of —S—, —Se—, —Te—, —O—, —S(═O)—, —S(═O)—, —NRa—, —SiRbRc—, and —GeRdRe—,
• Ra to Re are independently one of hydrogen and a substituted or unsubstituted C1 to C10 alkyl group,
• G11 and G12 are independently one of —S—, —Se—, —Te—, —GeRxRy—, and —CRzRw—, wherein Rx, Ry, Rz, and Rw are independently one of hydrogen, a halogen, a substituted or unsubstituted C1 to C10 alkyl group, and a substituted or unsubstituted C6 to C10 aryl group,
• R6a and R6b and R7a and R7b are independently one of hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C3 to C30 heteroaryl group, a halogen, a cyano group, a cyano-containing group, and a combination thereof,
• R6a to R6d are independently present or two adjacent groups thereof are linked with each other to provide a fused cycle, and
• R7a to R7d are independently present or two adjacent groups thereof are linked with each other to provide a fused cycle, and
• * is a linking point.