Nitrogen semiconductor compound and device fabricated using the same
Disclosed herein are a novel nitrogen semiconductor compound simultaneously including groups with different electrical properties and a device fabricated using the nitrogen semiconductor compound as an organic semiconductor material or a hole conducting material. The nitrogen semiconductor compound can be spin-coated at room temperature when applied to the fabrication of the device, and has superior electrical conductivity and photovoltaic properties.
1. A nitrogen semiconductor compound represented by Formula 1 below:
wherein A represents an electron acceptor, D represents an electron donor, m and n each is an integer of 1 or greater, and the sum of m and n is 3.
2. The nitrogen semiconductor compound according to claim 1 , wherein the electron acceptor A is represented by any one of Formulae 2 to 4 below:
wherein R 1 , R 2 , R 3 , R 4 , and R 5 are each independently a hydrogen atom, a halogen atom, —CN, a C 1-2 linear or branched alkyl group, a C 1-12 linear or branched alkoxy group, or a C 1-12 linear or branched alkoxyalkyl group, and B 1 and B 2 are each independently
or
one of which may be —O—,
wherein R 1 is as defined in Formula 2, and
wherein R 1 , R 2 , and R 3 are as defined in Formula 2; and the electron donor D is represented by any one of Formulae 5 to 8 below:
wherein R 1 , R 2 , R 3 , R 4 , and R 5 are each independently a hydrogen atom, a C 1-12 linear or branched alkyl group, a C 1-10 linear or branched alkoxy group, or a C 1-10 alkoxyalkyl group,
wherein R 1 , R 2 , R 3 , R 4 , and R 5 are as defined in Formula 5,
wherein R 1 , R 2 , and R 3 are as defined in Formula 5, and
wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 7 are each independently a hydrogen atom, a C 1-12 linear or branched alkyl group, a C 1-10 linear or branched alkoxy group, or a C 1-10 alkoxyalkyl group.
3. The nitrogen semiconductor compound according to claim 1 , wherein the compound of Formula 1 is selected from the group consisting of the compounds of Formulae 9 to 13 below: