Functionalized metal nanoparticle, buffer layer including the same and electronic device including the buffer layer

A buffer layer comprising the functionalized metal nanoparticle represented by Formula 1:

• M-X—F—Rn [Formula 1]
• wherein M is a metal atom selected from the group consisting of gold (Au), silver (Ag), copper (Cu), palladium (Pd) and platinum (Pt),
• X is sulfur (S) or a cyano group (CN),
• F is selected from the group consisting of ethyl groups;
• oxadiazole compounds;
• porphyrin compound derivatives including N,N′-diphenyl-N,N′-di(3-methylphenyl)-4,4′-diaminobiphenyl, N,N′-diphenyl-N,N′-dinaphthyl-4,4′-diaminobiphenyl, and N,N,N′,N′-tetraphenyl-21H,23H-porphyrin;
• triarylamine derivatives including polymers having aromatic tertiary amines in main chains or side chains thereof, 1,1-bis(4-di-p-tolylaminophenyl)cyclohexane, N,N,N-tri(p-tolyl)amine, and 4,4′,4′-tris[N-(3-methylphenyl)-N-phenylamino]trimethylamine;
• carbazole derivatives including N-phenylcarbazole and polyvinylcarbazole;
• phthalocyanine derivatives including nonmetallic phthalocyanine and copper phthalocyanine;
• starburst amine derivatives;
• enamine stilbene derivatives;
• derivatives of aromatic tertiary amine-containing styryl amine compounds;
• spirobifluorenyl anthracene;
• tetrafluorene;
• thiophene;
• aniline;
• pyrrole;
• and phenylene vinylene,
• R is selected from a group consisting of a trimethoxysilane group (—Si(OCH3)3), a trichlorosilane group (—SiCl3), a phosphate group (—PO3−) and —P(O)(OH)2, and
• n is an integer of about 1.

A functionalized metal nanoparticle represented by Formula 1:

• M-X—F—Rn [Formula 1]
• wherein M is a metal atom selected from the group consisting of gold (Au), silver (Ag), copper (Cu), palladium (Pd) and platinum (Pt),
• X is sulfur (S) or a cyano group (CN),
• F is selected from the group consisting of ethyl groups;
• oxadiazole compounds;
• porphyrin compound derivatives including N,N′-diphenyl-N,N′-di(3-methylphenyl)-4,4′-diaminobiphenyl, N,N′-diphenyl-N,N′-dinaphthyl-4,4′-diaminobiphenyl, and N,N,N′,N′-tetraphenyl-21H,23H-porphyrin;
• triarylamine derivatives including polymers having aromatic tertiary amines in main chains or side chains thereof, 1,1-bis(4-di-p-tolylaminophenyl)cyclohexane, N,N,N-tri(p-tolyl)amine, and 4,4′,4′-tris[N-(3-methylphenyl)-N-phenylamino]trimethylamine;
• carbazole derivatives including N-phenylcarbazole and polyvinylcarbazole;
• phthalocyanine derivatives including nonmetallic phthalocyanine and copper phthalocyanine;
• starburst amine derivatives;
• enamine stilbene derivatives;
• derivatives of aromatic tertiary amine-containing styryl amine compounds;
• spirobifluorenyl anthracene;
• tetrafluorene;
• thiophene;
• aniline;
• pyrrole;
• and phenylene vinylene,
• R is selected from a group consisting of a trichlorosilane group (—SiCl3), a phosphate group (—PO3−) and —P(O)(OH)2, and
• n is an integer of about 1.