A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.

The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These compounds can be obtained in a three-step synthesis from simple substrates. The compounds according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the compounds according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. ##STR00001##

The present disclosure provides an organic compound represented by general formula (1):

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(In general formula (1), R.sub.1 to R.sub.20 are each independently selected from the group consisting of a hydrogen atom, a deuterium atom, halogen atoms, alkyl groups, alkoxy groups, silyl groups, amino groups, aryl groups, heteroaryl groups, and a cyano group. R.sub.1 to R.sub.20 may be bonded to one another to form a ring and, optionally, via a chalcogen atom. At least a combination R.sub.9 and R.sub.10 or R.sub.19 and R.sub.20 forms a bond. X.sub.1 and X.sub.2 are each independently selected from the group consisting of chalcogen atoms, methylene groups, and silylene groups.)

An organic composition comprises at least one donor material and at least one acceptor material. The donor material comprises at least one organic conjugated polymer or organic conjugated small molecule. The acceptor material comprises a first acceptor material, and the first acceptor material comprises Formula I:

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The naphthalene ring group at the end of the Formula I can effectively improve the stability of the material. Substituents R.sub.5, R.sub.6, R.sub.7 and R.sub.8 with at least one substituent can adjust the energy level of the material to facilitate matching with different donor materials. The invention also provides an organic optoelectronic device comprising a first electrode, an active layer and a second electrode. The active layer comprises the organic composition. The organic optoelectronic device has good responsibility, dark current, detectivity and photoelectric conversion efficiency, and the organic optoelectronic device has good stability.

An organic composition comprises at least one donor material and at least one acceptor material. The donor material comprises at least one organic conjugated polymer or organic conjugated small molecule. The acceptor material comprises a first acceptor material, and the first acceptor material comprises Formula I:

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The naphthalene ring group at the end of the Formula I can effectively improve the stability of the material. Substituents R.sub.5, R.sub.6, R.sub.7 and R.sub.8 with at least one substituent can adjust the energy level of the material to facilitate matching with different donor materials. The invention also provides an organic optoelectronic device comprising a first electrode, an active layer and a second electrode. The active layer comprises the organic composition. The organic optoelectronic device has good responsibility, dark current, detectivity and photoelectric conversion efficiency, and the organic optoelectronic device has good stability.

The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These compounds can be obtained in a three-step synthesis from simple substrates. The compounds according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the compounds according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.

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An intermediate of a heteroacene compound is represented by Chemical Formula 1.

An intermediate of a heteroacene compound is represented by Chemical Formula 1.

The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These compounds can be obtained in a three-step synthesis from simple substrates. The compounds according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the compounds according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. ##STR00001##

The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These compounds can be obtained in a three-step synthesis from simple substrates. The compounds according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the compounds according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. ##STR00001##