Abstract: A multilayer ultrasonic transducer of an embodiment includes: a plurality of stacked oscillators; external electrodes disposed on outer exposed surfaces of two oscillators disposed in the outermost layers out of the plurality of oscillators; and a plurality of internal electrodes each disposed between two of the plurality of oscillators. There are provided electrode regions in which the plurality of internal electrodes are arranged such that the number of layers of the internal electrodes in a direction in which the oscillators are stacked gradiently increases from an inner region toward an outer peripheral region of the plurality of oscillators, and ultrasonic waves emitted from the plurality of oscillators are focused toward at least the inner region.

Abstract: A parameter estimation method, comprises: acquiring appearance information including a shape information and a position information of at least one package; vibrating the at least one package at least at one position selected in accordance with the appearance information, and acquiring at least one data showing a vibration of the at least one package, and estimating a value of at least one parameter of the at least one package in accordance with a relation between the at least one data and the at least one parameter.

Abstract: The present embodiments provide a transparent electrode having a laminate structure of: a metal oxide layer having an amorphous structure and electroconductivity, and a metal nanowire layer; and further comprising an auxiliary metal wiring. The auxiliary metal wiring covers a part of the metal nanowire layer or of the metal oxide layer, and is connected to the metal nanowire layer.

Abstract: The present embodiments provide a transparent electrode having a laminate structure of: a first metal oxide layer having an amorphous structure and electroconductivity, a metal layer made of a metallic material containing silver or copper, a second metal oxide layer having an amorphous structure and electroconductivity, and a third metal oxide layer having an amorphous structure and continuity, stacked in this order.

Abstract: According to one embodiment, a photoelectric conversion element includes a first electrode, a second electrode, a photoelectric conversion layer and a first layer. The photoelectric conversion layer is provided between the first electrode and the second electrode. The first layer is provided between the first electrode and the photoelectric conversion layer. The first layer includes at least a first metal oxide. The first layer has a plurality of orientation planes. At least one of the orientation planes satisfies the relationship L1>L2, where L1 is a length of the one of the plurality of orientation planes, and L2 is a thickness of the first layer along a first direction. The first direction is from the first electrode toward the second electrode.

Abstract: A photoelectric conversion material dispersion liquid of an embodiment includes: perovskite crystal particles having a composition represented as ABX3, where A is a monovalent cation of an amine compound, B is a divalent cation of a metal element, and X is a monovalent anion of a halogen element, and having an average particle diameter of not less than 10 nm nor more than 10000 nm; and a dispersion medium which is composed of a poor solvent to the perovskite crystal particles, and in which the perovskite crystal particles are dispersed.

Abstract: According to one embodiment, a photoelectric conversion element includes a first interconnect, a second interconnect, a photoelectric conversion layer and an insulating layer. The second interconnect is separated from the first interconnect. The photoelectric conversion layer is provided between the first interconnect and the second interconnect. The insulating layer is arranged with the first interconnect. A face formed by the first interconnect and the insulating layer is substantially flat. The face contacts the photoelectric conversion layer.

Abstract: According to one embodiment, a photoelectric conversion element includes a first electrode, a second electrode, a photoelectric conversion layer and a first layer. The photoelectric conversion layer is provided between the first electrode and the second electrode. The first layer is provided between the first electrode and the photoelectric conversion layer. The first layer includes at least a first metal oxide. The first layer has a plurality of orientation planes. At least one of the orientation planes satisfies the relationship L1>L2, where L1 is a length of the one of the plurality of orientation planes, and L2 is a thickness of the first layer along a first direction. The first direction is from the first electrode toward the second electrode.

Abstract: According to one embodiment, a polymer material includes two or more different repeating units each containing a quinoxaline backbone. At least one of the repeating units includes a halogen atom.

Abstract: According to one embodiment, there is provided a method for manufacturing a photovoltaic cell. The method includes forming a structure including a pair of electrodes which are arranged apart from each other, and a hetero-junction type photoelectric conversion layer interposed between the electrodes and containing a p-type semiconductor and a n-type semiconductor, and annealing the photoelectric conversion layer thermally while applying an AC voltage having a frequency of 0.01 kHz or more and less than 1 kHz to control a mixed state of the p-type semiconductor and n-type semiconductor in the photoelectric conversion layer.

Abstract: According to one embodiment, there is provided an organic photovoltaic cell including substrate having a plurality of inclined surfaces and a plurality of solar cells formed on the inclined surfaces of the substrate. Each of the solar cells includes a pair of electrodes and a bulk heterojunction active layer interposed between the electrodes, the active layer containing a p-type organic semiconductor and an n-type organic semiconductor. An inclination of each of the inclined surfaces of the substrate against the horizontal plane is in the range of 60 to 89°, and the active layer exhibits a transmission of light within visible wavelength range of 3% or greater.

Abstract: According to one embodiment, there is provided a method for manufacturing a photovoltaic cell. The method includes forming a structure including a pair of electrodes which are arranged apart from each other, and a hetero-junction type photoelectric conversion layer interposed between the electrodes and containing a p-type semiconductor and a n-type semiconductor, and annealing the photoelectric conversion layer thermally while applying an AC voltage having a frequency of 0.01 kHz or more and less than 1 kHz to control a mixed state of the p-type semiconductor and n-type semiconductor in the photoelectric conversion layer.

Abstract: According to one embodiment, there is provided a method for manufacturing a photovoltaic cell. The method includes forming a structure including a pair of electrodes which are arranged apart from each other, and a hetero-junction type photoelectric conversion layer interposed between the electrodes and containing a p-type semiconductor and a n-type semiconductor, and annealing the photoelectric conversion layer thermally while applying an AC voltage having a frequency of 0.01 kHz or more and less than 1 kHz to control a mixed state of the p-type semiconductor and n-type semiconductor in the photoelectric conversion layer.

Abstract: A solar cell module according to an embodiment includes a solar cell device and a support structure supporting the solar cell device. The solar cell device is a belt-like solar cell device including first portions arranged in one direction such that major surfaces thereof face each other, and a second portion interposed between the first portions. The edges of the first portions that correspond to a pair of long sides of the solar cell device are parallel to each other. Two adjacent first portions incline forwardly and backwardly with respect to the one direction. The second portion includes one or more planar or curved surfaces to connect the two adjacent first portions to each other.

Abstract: According to one embodiment, there is provided a method for manufacturing a photovoltaic cell. The method includes forming a structure including a pair of electrodes which are arranged apart from each other, and a hetero-junction type photoelectric conversion layer interposed between the electrodes and containing a p-type semiconductor and a n-type semiconductor, and annealing the photoelectric conversion layer thermally while applying an AC voltage having a frequency of 0.01 kHz or more and less than 1 kHz to control a mixed state of the p-type semiconductor and n-type semiconductor in the photoelectric conversion layer.

Abstract: According to one embodiment, a polymer material includes two or more different repeating units each containing a quinoxaline backbone. At least one of the repeating units includes a halogen atom.

Abstract: A solar cell module according to an embodiment includes a solar cell device and a support structure supporting the solar cell device. The solar cell device is a belt-like solar cell device including first portions arranged in one direction such that major surfaces thereof face each other, and a second portion interposed between the first portions. The edges of the first portions that correspond to a pair of long sides of the solar cell device are parallel to each other. Two adjacent first portions incline forwardly and backwardly with respect to the one direction. The second portion includes one or more planar or curved surfaces to connect the two adjacent first portions to each other.

Abstract: Certain embodiments provide a method of manufacturing an organic thin film solar cell comprising forming, on a first electrode, a first transport layer having an uneven pattern and a photoelectric conversion layer provided on a surface of the uneven pattern, forming a second transport layer on a second electrode, and bringing the uneven pattern having the photoelectric conversion layer is formed thereon into contact with the second transport layer to mold the second transport layer.

Abstract: According to one embodiment, there is provided an organic photovoltaic cell including substrate having a plurality of inclined surfaces and a plurality of solar cells formed on the inclined surfaces of the substrate. Each of the solar cells includes a pair of electrodes and a bulk heterojunction active layer interposed between the electrodes, the active layer containing a p-type organic semiconductor and an n-type organic semiconductor. An inclination of each of the inclined surfaces of the substrate against the horizontal plane is in the range of 60 to 89°, and the active layer exhibits a transmission of light within visible wavelength range of 3% or greater.

Abstract: By using an intaglio plate for holding a pattern formed by a developing agent, a transfer device for transferring patterns developed on the intaglio plate to a transfer object medium, and a baking chamber for eliminating an electrode layer after transfer or heightening resistance thereof, the patterns developed on the intaglio plate are transferred onto the electrode layer disposed at the opposite side of the transfer object medium, and then heated in the baking chamber, whereby the electrode layer is eliminated or heightened in resistance.