Abstract: A sunlight concentrating device may include a quantum dot layer having a first surface and a second surface opposite to each other, a first glass layer in contact with the first surface of the quantum dot layer, and a second glass layer in contact with the second surface of the quantum dot layer, and further include a low-refractive layer provided in a predetermined region of the first surface and/or the second surface of the quantum dot layer. The low-refractive layer is patterned, and a refractive index of the low-refractive layer is smaller than a refractive index of the quantum dot layer. The low-refractive layer totally reflects photons, being permeated from the quantum dot layer into the glass layer(s), between the glass layer(s) and the quantum dot layer so that the photons can move within a section with no loss of light thereby overcoming the theoretical limit of light concentration.

Abstract: A solar cell module which exhibits high output while ensuring connection strength between solar cells; and a solar cell suitable for the solar cell module. In the solar cell, a region on a first surface and at a first edge of a substrate that is not covered by a p-type transparent oxide electrode layer is defined as a “region A,” and a region on the first surface and at a second edge opposite to the first edge of the substrate and not covered by the p-type transparent oxide electrode layer is defined as a “region B.” The area of the region A is larger than the area of the region B.

Abstract: The present application relates to an organic electronic device comprising a first electrode; a second electrode provided opposite to the first electrode; a photoactive layer provided between the first electrode and the second electrode; and an electron transfer layer provided between the photoactive layer and the first electrode, wherein the electron transfer layer comprises a zinc oxide (ZnO) nanoparticle having one or more amine groups bonding to a surface thereof, and a method for manufacturing the same.

Abstract: The present disclosure relates to an energy conversion material including: a pair of 2-dimensional active layers; and a property control layer positioned between the 2-dimensional active layers, and the property control layer is changed in any one or more of structure and state depending on an external environmental factor and performs reversible switching between the 2-dimensional active layers.

Abstract: A method for forming electrical contacts for a solar cell and a solar cell formed using the method is provided. The method includes forming a first metal layer over predefined portions of a surface of the solar cell; depositing a carbon nanotube layer over the first metal layer; and forming a second metal layer over the carbon nanotube layer, wherein the first metal layer, the carbon nanotube layer, and the second metal layer form a first metal matrix composite layer that provides electrical conductivity and mechanical support for the metal contacts.

Abstract: The present disclosure relates to a photovoltaic (PV) device that includes a first junction constructed with a first alloy and having a bandgap between about 1.0 eV and about 1.5 eV, and a second junction constructed with a second alloy and having a bandgap between about 0.9 eV and about 1.3 eV, where the first alloy includes III-V elements, the second alloy includes III-V elements, and the PV device is configured to operate in a thermophotovoltaic system having an operating temperature between about 1500° C. and about 3000° C.

Abstract: A photoelectric conversion element according to an embodiment of the disclosure includes a first electrode and a second electrode, and an organic semiconductor layer. The first electrode and the second electrode are disposed to face each other. The organic semiconductor layer is provided between the first electrode and the second electrode, and contains a fullerene derivative modified by a substituent having an absorbance smaller than that of a fullerene.

Abstract: A photoelectric conversion device in an embodiment includes a first photoelectric conversion part including a first transparent electrode, a first photoelectric conversion layer, and a first counter electrode and a second photoelectric conversion part including a second transparent electrode, a second photoelectric conversion layer, and a second counter electrode, the first photoelectric conversion part and the second photoelectric conversion part being provided on a transparent substrate. The first counter electrode and the second transparent electrode are electrically connected by a connection part. As for the first photoelectric conversion layer and the second photoelectric conversion layer, adjacent portions of the adjacent first and second photoelectric conversion layers are electrically separated by an inactive region having electrical resistance higher than that of the first and second photoelectric conversion layers.

Abstract: Thermal receivers, systems, and methods are disclosed that efficiently capture concentrated solar energy into a plurality of heat absorption bodies for conversion into thermal energy. In an embodiment, the thermal receivers, systems, and methods enable simultaneous electricity conversion and thermal energy capture. The receiver design enables a high penetration of concentrated sunlight deep into the thermal receiver to increase light trapping and reduce thermal losses. The thermal receiver is integrated with a photovoltaic (PV) receiver platform that converts some of the incident light to electricity while passing the remaining light to the thermal receiver. In another embodiment, other thermal receivers, systems, and methods are disclosed that efficiently capture concentrated solar energy into a sheet of falling particles. In an embodiment, the thermal receivers, systems, and methods enable simultaneous electricity conversion and thermal energy capture.

Abstract: The invention relates to a high yield multistage light-to-electricity multiplying platform unit which is provided on its front face with a protection antireflection coating or layer (1) and with an upper electrode layer (5) characterized in that it comprises: an opto-phonic platform composed of a UV radiation light-to-light down converter (2) to a particular sub-band in the visible radiation domain, a harvesting diffractive grading component (3) including an electronic passivation layer (4) and with light splitting means and one or more sub-band light into narrowed sub-band light concentration converter(s), a IR radiation up conversion dedicated light converter, a converting multiplying platform made of several optimal for each narrowed and concentrated sub-band light-to-electricity multiplying converters.

Abstract: A stacked multi-junction solar cell with a metallization comprising a multilayer system, wherein the multi-junction solar cell has a germanium substrate forming a bottom side of the multi-junction solar cell, a germanium subcell, and at least two III-V subcells, the multilayer system of the metallization has a first layer, comprising gold and germanium, a second layer comprising titanium, a third layer, comprising palladium or nickel or platinum, with a layer thickness, and at least one metallic fourth layer, and the multilayer system of the metallization covers at least one first and second surface section and is integrally connected to the first and second surface section, wherein the first surface section is formed by the dielectric insulation layer and the second surface section is formed by the germanium substrate or by a III-V layer.

Abstract: A bifacial light-harvesting dye-sensitized solar cell is provided and has: a first transparent substrate, a second transparent substrate, a working electrode, a first semiconductor layer, a second semiconductor layer, a third semiconductor layer, a counter electrode, a light-transmitting catalyst layer, and a liquid electrolyte. A photoelectric conversion efficiency of the dye-sensitized solar cell is improved by using a specific working electrode structure.

Abstract: The present disclosure generally relates to organic photosensitive optoelectronic devices and polaron pair recombination dynamics to impact efficiency and open circuit voltages of organic solar cells. The present disclosure also relates, in part, to methods of making organic photosensitive optoelectronic devices comprising the same.

Abstract: A solar panel module has a flexible circuit board, a matrix of solar cells surface mounted thereto, a coverglass extending over the matrix of solar cells and the flexible circuit board bonded to a rigid support panel. The circuitry including electrical connection pads in an arrangement on the first side surface for electrical connection of the circuitry to each of the matrix of solar cells, flat bypass diodes may be disposed on the first side surface under the cells and connecting to the circuitry. Conductive adhesives adhering each of the solar cells to the flex circuit at the electrical connection pads that correlate to electrical connection points on underside of each solar cells. The first side having a plurality of standoffs for receiving each of the matrix of solar cells providing raised levels for the solar cells, the landing portions projecting outwardly from a base level surface.

Abstract: A solar panel mounting system for forming a solar array includes longitudinal support rails mounted to a support structure such as a roof. A first solar panel disposed on the rails has a peripheral frame including a locking frame member with deformable clamping portion configured for slideably receiving a peripheral frame portion of an adjacent second solar panel. A pair of captive T-bolt sets passing through the clamping portion include T-bolts having locking heads and nuts frictionally engaged with the T-bolts to rotate the T-bolts. The heads are each inserted and rotationally locked into fastening channels of respective support rails. The second solar panel is inserted into the first panel clamping portion and the nuts are fully tightened producing a clamping action which locks the first and second panels together. Power/control cables may be routed inside covered cable compartments on rears of the panels for protection against rodent damage.

Abstract: A solar module includes a safety circuit, and a series circuit of bypass diodes, which is arranged between solar module connections, wherein the bypass diodes have bypass connections at both ends and all connecting points of the series circuit of bypass diodes. The solar module also includes a series circuit of solar partial modules having partial module terminals at both ends and all connecting points of the series circuit of solar partial modules, wherein each bypass diode is associated with precisely one solar partial module, and a plurality of semiconductor switches configured to disconnect the solar module connections from voltage at an associated partial module terminal when a disconnection signal is received by the safety circuit.

Abstract: An integrated photovoltaic module mounting system having a friction member for engagement with a portion of a tufted geosynthetic cover and optionally attaching connectors attached to a photovoltaic module and to the tufted geosynthetic cover, for collecting and utilizing solar energy. A method of securing a photovoltaic module to a tufted geosynthetic cover is disclosed.

Abstract: Discuss is a solar cell module including a plurality of solar cells having a long axis and a short axis, each solar cell including a first electrode disposed on a front surface and a second electrode disposed on a back surface thereof, and the plurality of solar cells being disposed along a first direction, and a plurality of wiring members connected to the first electrode of a first solar cell and the second electrode of a second solar cell adjacent to the first solar cell among the plurality of solar cells, wherein a thickness of the plurality of wiring members is approximately 270 ?m to 320 ?m.

Abstract: A solar module mounting bracket assembly includes a rail configured to support a solar module thereon, and a pair of braces. The braces each have a first end portion movably coupled to the rail. The braces are movable relative to the rail between a collapsed configuration and an expanded configuration. In the expanded configuration, the braces cooperatively define a channel dimensioned for receipt of a frame member.

Abstract: A solar cell (1) includes a semiconductor substrate (10) having a light-receiving surface (10a) and a back surface (10b); an n-type semiconductor layer (13n) and a p-type semiconductor layer (12p) provided on the back surface (10b) of the semiconductor substrate (10), the n-type semiconductor layer (13n) and the p-type semiconductor layer (12p) extending in a first direction and being adjacent to each other in a second direction intersecting with the first direction; and a ground layer (14) provided on the n-type semiconductor layer (13n) and the p-type semiconductor layer (12p). The ground layer (14) includes an n-side ground layer (14n) and a p-side ground layer (14p) separated from each other by a first separating groove (17) having a first separating portion (17a) and a second separating portion (17b) as well as a first bridge portion (18) separating the first separating portion (17a) and the second separating portion (17b).