摘要:
According to one aspect of the present invention, there is provided a thin film solar cell comprising a substrate, a photoelectric conversion layer formed on said substrate, said photoelectric conversion layer having a thickness of 1 μm or less, and said photoelectric conversion layer comprising a p-type semiconductor layer, an n-type semiconductor layer, and are i-type semiconductor layer placed between said p-type semiconductor layer and said n-type semiconductor layer, a light-incident side electrode layer formed on a light-incident surface of said photoelectric conversion layer and a counter electrode layer formed on the surface opposite to the light-incident surface. Said light-incident side electrode layer has plural openings bored though said layer, and the thickness thereof is in the range of 10 nm to 200 nm. Each of said openings occupies an area of 80 nm2 to 0.8 μm2. The opening ratio is in the range of 10% to 66%.
摘要:
The present invention provides a light transmission type solar cell excellent in both power generation efficiency and light transparency, and also provides a method for producing that solar cell. The solar cell of the present invention comprises a photoelectric conversion layer, a light-incident side electrode layer, and a counter electrode layer. The incident side electrode layer is provided with plural openings bored through the layer, and has a thickness of 10 nm to 200 nm. Each of the openings occupies an area of 80 nm2 to 0.8 μm2, and the opening ratio is in the range of 10% to 66%. The transmittance of the whole cell is 5% or more at 700 nm wavelength. The incident side electrode layer can be formed by etching fabrication with a stamper. In the etching fabrication, a mono-particle layer of fine particles or a dot pattern formed by self-assembled block copolymer can be used as a mask.
摘要:
The embodiment provides a solar cell and a manufacturing process thereof. The solar cell is equipped with an electrode on the light incident surface side; and the electrode has both low resistivity and high transparency, can efficiently utilize solar light for excitation of carriers, and can be made of inexpensive materials. The solar cell comprises a photoelectric conversion layer, a first electrode layer arranged on the light incident surface side, and a second electrode layer arranged opposed to the first electrode layer. The first electrode layer has a thickness in the range of 10 to 200 nm, and has plural penetrating openings. Each of the individual openings occupies an area in the range of 80 nm2 to 0.8 μm2, and the aperture ratio thereof is in the range 10 to 66%. The first electrode layer in the cell can be produced by etching procedure using an etching mask obtained by use of a single particle layer of fine particles, by use of a dot pattern formed by self-assembly of a block copolymer, or by use of a stamper.
摘要:
The present invention provides a light transmission type solar cell excellent in both power generation efficiency and light transparency, and also provides a method for producing that solar cell. The solar cell of the present invention comprises a photoelectric conversion layer, a light-incident side electrode layer, and a counter electrode layer. The incident side electrode layer is provided with plural openings bored through the layer, and has a thickness of 10 nm to 200 nm. Each of the openings occupies an area of 80 nm2 to 0.8 μm2, and the opening ratio is in the range of 10% to 66%. The transmittance of the whole cell is 5% or more at 700 nm wavelength. The incident side electrode layer can be formed by etching fabrication with a stamper. In the etching fabrication, a mono-particle layer of fine particles or a dot pattern formed by self-assembled block copolymer can be used as a mask.
摘要:
The present invention provides a solar cell comprising a laminate of a photoelectric conversion layer, a metal porous membrane and a refractive index adjusting layer. The metal porous membrane is positioned on the light-incident side, is directly in contact with the photoelectric conversion layer, and has plural openings bored though the membrane. The refractive index adjusting layer covers at least a part of the surface of the metal porous membrane and of the inner surfaces of the openings, and has a refractive index of 1.35 to 4.2 inclusive. If adopting a nano-fabricated metal membrane as an electrode, the present invention enables to provide a solar cell capable of realizing efficient photoelectric conversion by use of electric field-enhancement effect.
摘要:
A semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a first electrode layer, a light emitting layer, a second semiconductor layer, a third semiconductor layer and a second electrode layer. The first electrode layer includes a metal portion having a plurality of opening portions. The opening portions penetrate the metal portion and have an equivalent circle diameter of a shape of the opening portions. The light emitting layer is between the first semiconductor layer and the first electrode layer. The second semiconductor layer of a second conductivity type is between the light emitting layer and the first electrode layer. The third semiconductor layer of a second conductivity type is between the second semiconductor layer and the first electrode layer. The second electrode layer is connected to the first semiconductor layer.
摘要:
A semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a first electrode layer, a light emitting layer, a second semiconductor layer, a third semiconductor layer and a second electrode layer. The first electrode layer includes a metal portion having a plurality of opening portions. The opening portions penetrate the metal portion and have an equivalent circle diameter of a shape of the opening portions. The light emitting layer is between the first semiconductor layer and the first electrode layer. The second semiconductor layer of a second conductivity type is between the light emitting layer and the first electrode layer. The third semiconductor layer of a second conductivity type is between the second semiconductor layer and the first electrode layer. The second electrode layer is connected to the first semiconductor layer.
摘要:
According to one embodiment, a semiconductor light emitting device includes a structure including a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type and a light emitting layer provided between the first semiconductor layer and the second semiconductor layer. The device also includes an electrode layer provided on the second semiconductor layer side of the structure. The electrode layer includes a metal portion with a thickness of not less than 10 nanometers and not more than 100 nanometers. A plurality of openings pierces the metal portion, each of the openings having an equivalent circle diameter of not less than 10 nanometers and not more than 5 micrometers. The device includes an inorganic film providing on the metal portion and inner surfaces of the openings, the inorganic film having transmittivity with respect to light emitted from the light emitting layer.
摘要:
According to one embodiment, a light-transmitting metal electrode includes a metal layer. The metal layer is provided on a major surface of a member and includes a metal nanowire and a plurality of openings formed with the metal nanowire. The thin layer includes a plurality of first straight line parts along a first direction and a plurality of second straight line parts along a direction different from the first direction. A maximum length of the first line parts along the first direction and a maximum length of the second line parts along the direction different from the first direction are not more than a wave length of visible light. A ratio of an area of the metal layer viewed in a normal direction of the surface to an area of the metal layer viewed in the normal direction is more than 20% and not more than 80%.
摘要:
The Present invention provides an organic EL display and a lighting device having high efficiency. The organic EL display comprises a substrate, a pixel-driving circuit unit, and pixels arranged in the form of a matrix on the substrate. The pixel comprises a light-emitting part, and the light-emitting part is composed of a first electrode placed near to the substrate, a second electrode placed far from the substrate, and at least one organic layer placed between the first and second electrodes. The second electrode has a metal electrode layer having a thickness of 10 nm to 200 nm, and the metal electrode layer comprises a metal part and plural openings penetrating through the layer. The metal part is seamless and formed of metal continuously connected without breaks between any points therein. The openings have an average opening diameter of 10 nm to 780 nm, and are arranged so periodically that the distribution of the arrangement is represented by a radial distribution function curve having a half-width of 5 nm to 300 nm.