Conductive organic thin film, process for producing the same, electronic device employing the same, electrical cable, electrode, pyrrolyl compound, and theienyl compound

A conductive organic thin film, comprising oriented organic molecules, comprising:

• at one end of the oriented organic molecules, a terminal bonding group that is covalently bonded to a substrate surface, wherein the terminal bonding group is at least one selected from a siloxane (—SiO—)-containing bonding group and a silicon nitride (—SiN—)-containing bonding group, wherein the Si atomic nucleus and the N atomic nucleus can be additionally furnished with other bonded groups with corresponding valence;
• a conjugate bonding group that is located at any portion of the oriented organic molecules, away from the terminal bonding group covalently bonded to the substrate surface, wherein the conjugate bonding group is polymerized with the conjugate bonding groups of the other oriented organic molecules;
• a polar functional group that does not include active hydrogen and that is located between the terminal bonding group and the conjugate bonding group on the oriented organic molecules, wherein the polar functional group that does not include active hydrogen is at least one group selected from an ester group (—COO—), an oxycarbonyl group (—OCO—), a carbonyl group (—CO—), and a carbonate group (—OCOO—), and bonded to both sides of the polar functional group are alkylene groups which are —(CH2)m- and —(CH2)n-, where m and n are integers;
• wherein the oriented organic molecules with their conjugate bonding group polymerized with the conjugate bonding groups of the other oriented organic molecules, form a conductive network, wherein the conductive network is at least one type of polymer selected from polypyrrole and polythienylene, and wherein a conductivity (p) of the conductive organic thin film without dopants is at least 1×107 S/cm at room temperature (25° C.).

A method for manufacturing a conductive organic thin film, comprising:

• forming an organic thin film, by bringing a compound into contact with a substrate whose surface has active hydrogen or to which active hydrogen has been added, and covalently bonding the two through an elimination reaction, wherein the compound is made of organic molecules including, at one end, a terminal bonding group that can be covalently bonded to a substrate surface, wherein the terminal bonding group is at least one selected from a siloxane (—SiO—)-containing bonding group and a silicon nitride (—SiN—)-containing bonding group, and wherein the Si atomic nucleus and the N atomic nucleus can be additionally furnished with other bonded groups with corresponding valence;
• a conjugated bondable group that is located at any portion of the organic molecules, away from the terminal group, and that can be polymerized with other organic molecules;
• and a polar functional group that does not include active hydrogen and that is located at any portion between the terminal bonding group and the conjugated bondable group, wherein the polar functional group that does not include active hydrogen is at least one group selected from an ester group (—COO—), an oxycarbonyl group (—COO—), a carbonyl group (—CO—), and a carbonate group (—OCOO—), and bonded to both sides of the polar functional group are alkylene groups which are —(CH2)m- and —(CH2)n-, where m and n are integers;
• orienting the organic molecules making up the organic thin film either by tilting them in a predetermined direction or by giving them orientation while polymerizing them in a subsequent polymerization step;
• and in a polymerization step, conjugatively bonding the conjugated bondable groups to one another by at least one polymerization method selected from polymerization through electrolytic oxidation, catalytic polymerization, and polymerization through energy beam irradiation, so as to form a conduction network.

An electrode that is transparent with respect to light of wavelengths in the visible light region;

• wherein the electrode is formed by a conductive organic thin film of oriented organic molecules comprising:
• at one end of the oriented organic molecules, a terminal bonding group that is covalently bonded to a substrate surface, wherein the terminal bonding group is at least one selected from a siloxane (—SiO—)-containing bonding group and a silicon nitride (—SiN—)-containing bonding group, wherein the Si atomic nucleus and the N atomic nucleus can be additionally furnished with other bonded groups with corresponding valence;
• a conjugate bonding group that is located at any portion of the oriented organic molecules, away from the terminal bonding group covalently bonded to the substrate surface, wherein the conjugate bonding group is polymerized with the conjugate bonding groups of the other oriented organic molecules;
• a polar functional group that does not include active hydrogen and that is located between the terminal bonding group and the conjugate bonding group on the oriented organic molecules, wherein the polar functional group that does not include active hydrogen is at least one group selected from an ester group (—COO—), an oxycarbonyl group (—OCO—), a carbonyl group (—CO—), and a carbonate group (—OCOO—), and bonded to both sides of the polar functional group are alkylene groups which are —(—CH2)m- and —(CH2)n-, where m and n are integers;
• wherein the oriented organic molecules with their conjugate bonding group is polymerized with the conjugate bonding groups of the other oriented organic molecules, form a conduction network.

An electric cable comprising a core line, a conductive organic thin film formed in a longitudinal direction of a surface of the core line, and an insulating coating that covers the conductive organic thin film, wherein the conductive organic thin film is made of oriented organic molecules comprising:

• at one end of the oriented organic molecules, a terminal bonding group that is covalently bonded to a substrate surface of the core line, wherein the terminal bonding group is at least one selected from a siloxane (—SiO—)-containing bonding group and a silicon nitride (—SiN—)-containing bonding group, wherein the Si atomic nucleus and the N atomic nucleus can be additionally furnished with other bonded groups with corresponding valence;
• a conjugate bonding group that is located at any portion of the oriented organic molecules, away from the terminal bonding group covalently bonded to the substrate surface, wherein the conjugate bonding group is polymerized with the conjugate bonding groups of the other oriented organic molecules;
• a polar functional group that does not include active hydrogen and that is located between the terminal bonding group and the conjugate bonding group on the oriented organic molecules, wherein the polar functional group that does not include active hydrogen is at least one group selected from an ester group (—COO—), an oxycarbonyl group (—OCO—), a carbonyl group (—CO—), and a carbonate group (—OCOO—), and bonded to both sides of the polar functional group are alkylene groups which are —(CH2)m- and —(CH2)n-, where m and n are integers;
• wherein the oriented organic molecules with their conjugate bonding group polymerized with the conjugate bonding groups of the other oriented organic molecules, form a conduction network.

An electrode that is transparent with respect to light of wavelengths in the visible radiation region, wherein the electrode is a conductive organic thin film of organic molecules comprising:

• at one end of the organic molecules, a terminal bonding group that is covalently bonded to a substrate surface, wherein the terminal bonding group is at least one selected from a siloxane (—SiO—)-containing bonding group and a silicon nitride (—SiN—)-containing bonding group, wherein the Si atomic nucleus and the N atomic nucleus can be additionally furnished with other bonded groups with corresponding valence;
• a conjugate bonding group that is located at any portion of the organic molecules, away from the terminal bonding group covalently bonded to the substrate surface, wherein the conjugate bonding group is polymerized with the conjugate bonding groups of the other organic molecules;
• a polar functional group that does not include active hydrogen and that is located between the terminal bonding group and the conjugate bonding group on the organic molecules, wherein the polar functional group that does not include active hydrogen is at least one group selected from an ester group (—COO—), an oxycarbonyl group (—OCO—), a carbonyl group (—CO—), and a carbonate group (—OCOO—), and bonded to both sides of the polar functional group are alkylene groups which are —(CH2)m- and —(CH2)n-, where m and n are integers;
• wherein the organic molecules are oriented and their conjugate bonding groups are polymerized, forming a conduction network.