摘要:
Disclosed are a solar cell and a method for manufacturing the same. A solar cell includes a semiconductor substrate, a tunnel layer on the first surface of the semiconductor substrate, a first conductive type semiconductor region on the tunnel layer and includes impurities of a first conductive type, a second conductive type semiconductor region on a second surface and includes impurities of a second conductive type opposite the first conductive type, a first passivation film on the first conductive type semiconductor region, a first electrode formed on the first passivation film and connected to the first conductive type semiconductor region through an opening portion formed in the first passivation film, a second passivation film on the second conductive type semiconductor region, and a second electrode formed on the second passivation film and connected to the second conductive type semiconductor region through an opening portion formed in the second passivation film.
摘要:
The thin-film photoelectric conversion device of the present invention includes: a transparent electroconductive film (4) having zinc oxide as a main component; a contact layer (5); a photoelectric conversion unit (6) having a p-type semiconductor layer, an i-type semiconductor layer and an n-type semiconductor layer in this order; and a back electrode layer (8), in this order, on one main surface of a substrate (2). The contact layer (5) has an intrinsic crystalline semiconductor layer (51) and a p-type crystalline semiconductor layer (52) in this order from the substrate (2) side, and the intrinsic crystalline semiconductor layer (51) of the contact layer (5) and the transparent electroconductive film (4) are in contact with each other. The p-type crystalline semiconductor layer (52) of the contact layer (5) is preferably a layer having as a main component a silicon alloy selected from the group consisting of a silicon oxide; a silicon nitride; and silicon carbide.
摘要:
Procédé de traitement d'un substrat à base d'un semi-conducteur de type Si X A Y et comportant quatre types distincts d'éléments légers, comprenant les étapes suivantes : - réalisation d'un premier recuit du substrat à une température T1 correspondant à une température d'activation thermique d'un premier des quatre types d'éléments légers, - réalisation d'un second recuit à une température T2 correspondant à une température d'activation thermique d'un second des quatre types d'éléments légers, - réalisation d'un troisième recuit à une température T3 correspondant à une température d'activation thermique d'un troisième des quatre types d'éléments légers, - réalisation d'un quatrième recuit à une température T4 correspondant à une température d'activation thermique d'un quatrième des quatre types d'éléments légers,
chaque recuit comportant un maintien à la température T1, T2, T3 ou T4 et les températures étant telles que T1 > T2 > T3 > T4.
摘要:
A thin-film tandem photovoltaic cell comprises on a glass substrate a front TCO (3), an amorphous silicon cell as top cell (5), a semi-transparent reflector layer (7), a microcrystalline silicon bottom cell (9). Thereby, the semi-transparent reflector layer (7) is of n-doped silicon oxide with an index of refraction below 1.7. The thickness of the amorphous silicon top cell (5) is below 200 nm.
摘要:
A thin film solar cell module (10) includes a substrate (100); a plurality of first cells (C1) positioned in a central region, where one or more first cell include at least one photovoltaic unit (PV); and a plurality of second cells (C2) positioned in edge regions of the substrate, where one or more second cell include at least one photovoltaic unit. Among the photovoltaic units positioned in the same layer the photovoltaic unit of the one or more second cells have higher band gap energy than that the photovoltaic unit of the one or more first cells.
摘要:
A solar cell is discussed. The solar cell includes a substrate, a first electrode on the substrate, a second electrode, and at least one photoelectric transformation unit positioned between the first electrode and the second electrode. The at least one photoelectric transformation unit includes a p-type semiconductor layer, an intrinsic (i-type) semiconductor layer, an n-type semiconductor layer, and a buffer layer positioned between the p-type semiconductor layer and the i-type semiconductor layer. A hydrogen content of the buffer layer is more than a hydrogen content of the i-type semiconductor layer.
摘要:
A nanocomposite material that is both transparent and electrically conductive is provided. The nanocomposite comprises a nanoporous matrix, preferably formed from nanoparticles, that is internally coated with a transparent conductive material to define an internal conductive path within the nanocomposite. The nanocomposite is substantially transparent over a defined spectral range that preferably includes at least a portion of the visible spectrum, and preferably comprises pores with a mean diameter of less than approximately 25 nm. A bilayer may be formed by depositing a layer of a transparent conductive material on top of a nanocomposite layer, or by depositing a second layer of a nanocomposite having different optical properties. The nanocomposites formed using a combination of sequential and/or concurrent deposition techniques are correspondingly discrete and/or continuously varying structures. Multilayer structures, such as photonic crystal reflectors, may be formed by depositing multiple bilayers, and integrated into devices such as tandem solar cells.
摘要:
In a method of manufacturing a silicon-based thin film photoelectric converter, a crystalline photoelectric conversion layer included in the photoelectric converter is deposited by plasma CVD under the following conditions: the temperature of the underlying film is at most 550°C; a gas introduced into a plasma reaction chamber has a silane-based gas and a hydrogen gas where the flow rate of the hydrogen gas relative to the silane-based gas is at least 50 times larger; the pressure in the plasma reaction chamber is set to 3Torr; and the deposition speed is 17nm/min in the thickness-wise direction.
摘要:
Provided is a photovoltaic device. The photovoltaic device includes: a substrate (100); a first electrode (210) disposed on the substrate; at least one photoelectric transformation layer (230) disposed on the first electrode, the photoelectric transformation layer including a light absorbing layer (233); and a second electrode (250) disposed on the photoelectric transformation layer; wherein the light absorbing layer (233) includes a first sub-layer (233a) and a second sub-layer (233b), each of which includes a hydrogenated amorphous silicon based material respectively; and wherein the first sub-layer and the second sub-layer include a non-silicon based element, and the second sub-layer includes a crystalline silicon grain surrounded by the hydrogenated amorphous silicon based element.