Disclosed herein are organic photosensitive optoelectronic devices comprising acceptor and/or donor sensitizers to increase absorption and photoresponse of the photoactive layers of the devices. In particular, devices herein include at least one acceptor layer and at least one donor layer, wherein the acceptor layer may comprise a mixture of an acceptor material and at least one sensitizer, and the donor layer may comprise a mixture of a donor material and at least one sensitizer. Methods of fabricating the organic photosensitive optoelectronic devices are also disclosed.

Disclosed herein are organic photosensitive optoelectronic devices comprising acceptor and/or donor sensitizers to increase absorption and photoresponse of the photoactive layers of the devices. In particular, devices herein include at least one acceptor layer and at least one donor layer, wherein the acceptor layer may comprise a mixture of an acceptor material and at least one sensitizer, and the donor layer may comprise a mixture of a donor material and at least one sensitizer. Methods of fabricating the organic photosensitive optoelectronic devices are also disclosed.

Provided are a photoelectric conversion element including an electrically conductive support, a photoconductor layer including an electrolyte, a charge transfer layer including an electrolyte, and a counter electrode. The photoconductor layer has semiconductor fine particles having a metal complex dye represented by specific Formula (1) supported thereon; a dye-sensitized solar cell; a metal complex dye; a dye solution; and an oxide semiconductor electrode.

Provided is an infrared cut filter including: an infrared absorbing layer of a transparent resin containing an infrared absorber; and a selected wavelength cut layer stacked on the infrared absorbing layer, wherein the following requirements are satisfied. (i) In a spectral transmittance curve for an incident angle of 0, an average transmittance in a 450-600 nm range is 80% or more, a transmittance in a 700-1200 nm range is 2.0% or less, and D.sub.0 represented by the following expression is less than 0.04. D.sub.0 (%/nm)=(Tmax.Math.0Tmin.Math.0)/((Tmax.Math.0)(Tmin.Math.0)) (ii) wherein a spectrum transmittance curve for an incident angle of 30, an average transmittance in the 450 to 600 nm range is 80% or more, a transmittance in the 700-1200 nm range is 2.0% or less, and D.sub.30 represented by the following expression is less than 0.04. D.sub.30 (%/nm)=(Tmax.Math.30Tmin.Math.30)/((Tmax.Math.30)(Tmin.Math.30))

Provided is an infrared cut filter including: an infrared absorbing layer of a transparent resin containing an infrared absorber; and a selected wavelength cut layer stacked on the infrared absorbing layer, wherein the following requirements are satisfied. (i) In a spectral transmittance curve for an incident angle of 0, an average transmittance in a 450-600 nm range is 80% or more, a transmittance in a 700-1200 nm range is 2.0% or less, and D.sub.0 represented by the following expression is less than 0.04. D.sub.0 (%/nm)=(Tmax.Math.0Tmin.Math.0)/((Tmax.Math.0)(Tmin.Math.0)) (ii) wherein a spectrum transmittance curve for an incident angle of 30, an average transmittance in the 450 to 600 nm range is 80% or more, a transmittance in the 700-1200 nm range is 2.0% or less, and D.sub.30 represented by the following expression is less than 0.04. D.sub.30 (%/nm)=(Tmax.Math.30Tmin.Math.30)/((Tmax.Math.30)(Tmin.Math.30))

A dye-sensitized solar cell 10 includes: an electrode 11; a counter electrode 12 disposed facing the electrode 11; an electrolyte layer 16 sandwiched between the electrode 11 and the counter electrode 12; and a power generation layer 15 provided on a surface of a counter electrode 12 side of the electrode 11 and formed of oxide semiconductor particles 13 supporting a sensitizing dye 14, wherein the electrolyte layer 16 includes a matrix, with an electrolyte dispersed therein, of a polymer compound existing in a solid state at ordinary temperature and pressure.

A dye-sensitized solar cell 10 includes: an electrode 11; a counter electrode 12 disposed facing the electrode 11; an electrolyte layer 16 sandwiched between the electrode 11 and the counter electrode 12; and a power generation layer 15 provided on a surface of a counter electrode 12 side of the electrode 11 and formed of oxide semiconductor particles 13 supporting a sensitizing dye 14, wherein the electrolyte layer 16 includes a matrix, with an electrolyte dispersed therein, of a polymer compound existing in a solid state at ordinary temperature and pressure.

A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The first compound has at least one aromatic ring with at least one substituent R of Formula I

##STR00001##

In the structure of Formula I, R.sup.1 includes at least one fluorine atom; R.sup.2 represents mono to a maximum possible number of substitutions, or no substitution; each R.sup.2 is a hydrogen or one of a variety of substituents; L is an organic linker or direct bond; any two R.sup.1, R.sup.2 substituents may be joined or fused together to form a ring; the dashed line of Formula I is a bond to a first aromatic ring of the at least one aromatic ring; and n is an integer from 1 to 10. Organic light emitting devices and consumer products containing the compounds are also disclosed.

A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The first compound has at least one aromatic ring with at least one substituent R of Formula I

##STR00001##

In the structure of Formula I, R.sup.1 includes at least one fluorine atom; R.sup.2 represents mono to a maximum possible number of substitutions, or no substitution; each R.sup.2 is a hydrogen or one of a variety of substituents; L is an organic linker or direct bond; any two R.sup.1, R.sup.2 substituents may be joined or fused together to form a ring; the dashed line of Formula I is a bond to a first aromatic ring of the at least one aromatic ring; and n is an integer from 1 to 10. Organic light emitting devices and consumer products containing the compounds are also disclosed.

A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The first compound has at least one aromatic ring with at least one substituent R of Formula I

##STR00001##

In the structure of Formula I, R.sup.1 includes at least one fluorine atom; R.sup.2 represents mono to a maximum possible number of substitutions, or no substitution; each R.sup.2 is a hydrogen or one of a variety of substituents; L is an organic linker or direct bond; any two R.sup.1, R.sup.2 substituents may be joined or fused together to form a ring; the dashed line of Formula I is a bond to a first aromatic ring of the at least one aromatic ring; and n is an integer from 1 to 10. Organic light emitting devices and consumer products containing the compounds are also disclosed.