Materials for forming a nucleation-inhibiting coating and devices incorporating same
An opto-electronic device includes a substrate, a first electrode disposed over the substrate, a semiconducting layer disposed over the first electrode, a second electrode disposed over the semiconducting layer, the second electrode having a first portion and a second portion, a nucleation inhibition coating disposed over the first portion of the second electrode; and a conductive coating disposed over the second portion of the second electrode, wherein the nucleation inhibition coating is a compound of Formula (I)
1. An opto-electronic device comprising:
a nucleating inhibiting coating (NIC) disposed on a first layer surface of the device in a first portion of a lateral aspect thereof; and
a conductive coating disposed on a second layer surface of the device in a second portion of the lateral aspect thereof;
wherein:
the NIC comprises a compound comprising a core moiety and at least one terminal moiety bonded thereto;
the at least one terminal moiety is independently selected from a group consisting of: I-A, I-B, I-C, I-D, I-E, I-F, a fluorene moiety, and a phenylene moiety;
in I-A, A 1 , A 2 , A 3 , A 4 , and A 5 are each independently selected from a group consisting of: hydrogen (H), deuteron (D), fluorine (F), chlorine (Cl), alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy;
in I-B, at least one of B 1 , B 2 , B 3 , B 4 , B 5 , B 6 , B 7 , and B 8 represents an attachment to the core moiety, and the remainder of B 1 , B 2 , B 3 , B 4 , B 5 , B 6 , B 7 , and B 8 are each independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy;
in I-C, at least one of C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 , C 8 , C 9 , and C 10 represents an attachment to the core moiety, and the remainder of C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 , C 8 , C 9 , and C 10 are independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy;
in I-D, at least one of D 1 , D 2 , D 3 , D 4 , D 5 , D 6 , D 7 , D 8 , D 9 , and D 10 represents an attachment to the core moiety, and the remainder of D 1 , D 2 , D 3 , D 4 , D 5 , D 6 , D 7 , D 8 , D 9 , and D 10 are independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy;
in I-E, at least one of E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, and E12 represents an attachment to the core moiety, and the remainder of E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, and E12 are each independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy;
in I-F, at least one of F 1 , F 2 , F 3 , F 4 , F 5 , F 6 , F 7 , F 8 , F 9 , and F 10 represents an attachment to the core moiety, and the remainder of F 1 , F 2 , F 3 , F 4 , F 5 , F 6 , F 7 , F 8 , F 9 , and F 10 are each independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy; and
in I-G, at least one of G 1 , G 2 , G 3 , G 4 , G 5 , G 6 , G 7 , G 8 , G 9 , G 10 , G 11 , and G 12 represents an attachment to the core moiety, and the remainder of G 1 , G 2 , G 3 , G 4 , G 5 , G 6 , G 7 , G 8 , G 9 , G 10 , G 11 , and G 12 are each independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy.
2. The opto-electronic device of claim 1 , wherein the fluoroaryl moiety is selected from one of: a spirobifluorene moiety, a dimethylfluorene moiety, and a difluorofluorene moiety.
3. The opto-electronic device of claim 1 , wherein the phenylene moiety is a triphenylene moiety.
4. The opto-electronic device of claim 1 , wherein the core moiety is an anthracene moiety represented by Formula I:
5. The opto-electronic device of claim 1 , wherein the at least one terminal moiety is bonded to the core moiety by one of: directly, and via a linker moiety.
6. The opto-electronic device of claim 1 , wherein the linker moiety is selected from one of: —O—, —S—, a cyclic hydrocarbon moiety, and an acyclic hydrocarbon moiety.
7. The opto-electronic device of claim 1 , wherein at least one carbon (C) in the compound is substituted by a heteroatom.
8. The opto-electronic device of claim 7 , wherein the heteroatom is selected from one of: sulfur(S) and nitrogen (N).
9. The opto-electronic device of claim 1 , wherein the compound comprises at least one F atom.
10. The opto-electronic device of claim 1 , wherein the NIC comprises a compound selected from a group consisting of compounds A 1 -A 66 :
wherein X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , X 8 , X 9 , and X 10 are each independently selected from a group consisting of: H, D, F, Cl, alkyl, cycloalkyl, silyl, fluoroalkyl, arylalkyl, aryl, heteroaryl, alkoxy, and fluoroalkoxy.