Abstract: A method and device to collect and convert thermal energy from the surrounding environments to produce usable electric power. The device includes a rectenna that is preferably a narrow bandwidth rectenna. In an embodiment, the rectenna comprises a rectenna complex, which is, in sequence, a high gain antenna, optional matching circuits, an optional narrow bandpass filter, and one or more rectifying diodes. An embodiment may include multiple arrays of linked nanoscale rectenna complexes. When linked in arrays using preselected bandwidths in the infrared and near infrared spectral regions, the rectenna complex acts as a thermally responsive collector capable of extracting heat energy from its surrounding environment to produce usable electric power.

Abstract: Some embodiments of the present disclosure relate to methods that may include attaching a first photovoltaic module and a second photovoltaic module to a back-sheet, wherein the first photovoltaic module includes a first end and a second end, and wherein the second photovoltaic module includes a first end and a second end; forming a seam on the back-sheet between the first and second photovoltaic modules; forming an electrical connection between the first and second photovoltaic modules by electrically connecting the first end of the first photovoltaic module to the second end of the second photovoltaic module; and separating the first and second photovoltaic modules along the seam while maintaining the electrical connection between the first and second photovoltaic modules. Some embodiments of the present disclosure relate to roofing systems that may include photovoltaic modules.

Abstract: The present invention relates to a semiconductor device comprising a semiconducting material, wherein the semiconducting material comprises a compound comprising: (i) one or more first monocations [A]; (ii) one or more second monocations [BI]; (iii) one or more trications [BIII]; and (iv) one or more halide anions [X]. The invention also relates to a process for producing a semiconductor device comprising said semiconducting material. Also described is a compound comprising: (i) one or more first monocations [A]; (ii) one or more second monocations [BI] selected from Cu+, Ag+ and Au+; (iii) one or more trications [BIII]; and (iv) one or more halide anions [X].

Abstract: A solar panel for pitched roof and construction method of the solar panel are disclosed. The solar panel includes a substrate, a first bonding layer, an insulating layer, a second bonding layer, a solar cell module layer, a third bonding layer, a brightness enhancement film layer, a fourth bonding layer and a transparent fluorine element film layer from bottom to top. Since the peripheral fixing area of the substrate has fixing holes for fixing purposes, the solar panels of the present invention can replace the existing asphalt shingles and be applied on the pitched roof, and have the characteristics such as water removal, moisture resistance, extreme temperature resistance and windproof. The solar panel can not only provide renewable energy, but its neat appearance can also increase the beauty of the pitched roof.

Abstract: A solar cell includes a substrate having a front surface and a back surface opposite to the front surface; a first passivation layer, a second passivation layer and a third passivation layer sequentially formed on the front surface of the substrate and in a direction away from the substrate; where the first passivation layer includes a dielectric material; the second passivation layer includes a first SiuNv material, and a value of v/u is 1.3?v/u?1.7; and the third passivation layer includes a SirOs material, and a value of s/r is 1.9?s/r?3.2; and a tunneling oxide layer and a doped conductive layer sequentially formed on the back surface of the substrate and in a direction away from the back surface; the doped conductive layer and the substrate are doped to have a same conductivity type.

Abstract: Provided is a perovskite film including crystal grains with a crystalline structure of [A][B][X]3.n[C], wherein [A], [B], [X], [C] and n are as defined in the specification. The present disclosure further provides a precursor composition of perovskite film, method for producing of perovskite film, and semiconductor element including such films, as described above. With the optimal lattice arrangement, the perovskite film shows the effects of small surface roughness, and the semiconductor element thereof can thus achieve high efficiency and stability even with large area of film formation, thereby indeed having prospect of the application.

Abstract: A device for simultaneous provision of shade and generation of solar power, suitable for deployment as a sailboat bimini or awning and a process for providing shade and generating solar power. The device includes multiple flexible solar panels, connected electrically, and bonded to rigid lightweight panels which are hinged together with restraints that prevent panel flexing or bending and thereby avoid propagation of microcracks in the solar cells, increasing longevity.

Abstract: A solar boat with an adjustable angle of a solar panel of the present disclosure comprises: a cabin unit; a boat body provided below the cabin unit and including a first fixing unit and a second fixing unit; a solar panel unit provided above the cabin unit and configured to convert solar energy into electrical energy; a first pole provided with a first connector at an upper end thereof and connected to a front left bottom of the solar panel unit via the first connector, and provided with a second connector at a lower end thereof and connected to the boat body via the second connector; a second pole provided with a third connector at an upper end thereof and connected to a front right bottom of the solar panel unit via the third connector, and provided with a fourth connector at a lower portion thereof and connected to the boat body via the fourth connector; a third pole provided with a fifth connector at an upper end thereof and connected to a rear left bottom of the solar panel unit via the fifth connector,

Abstract: The present invention provides an indoor structure in which a wire to a solar cell module is hardly visible and design is improved. In an indoor structure, a solar cell module is attached to a window disposed between a ceiling and a floor.

Abstract: A modular solar skid includes a base including a skid, a panel support structure extending from the skid, at least one solar panel coupled to the panel support structure, and at least one enclosure coupled to the skid. The at least one enclosure is located within a cavity defined between the skid and the panel support structure.

Abstract: The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.

Abstract: A thermoelectric cell includes a thermoelectric body including heat-utilizing power generating elements in each of which a thermoelectric conversion layer and a solid electrolyte layer are layered, a conductive case including a first case body and a second case body and accommodating the thermoelectric body, an insulating member electrically insulating the first case body or the second case body or the second case body and the solid electrolyte layer on a side surface of the thermoelectric body while electrically insulating the first case body and the second case body, and a compressible conductor accommodated in the case and disposed between the thermoelectric body and the case. The first case body, the thermoelectric body, and the second case body are electrically connected in a stacked direction by disposing the compressible conductor on a side of at least one of the first case body and the second case body.

Abstract: An integrated photovoltaic (PV) panel-water sorption layer system that includes a PV panel having a front face that is configured to receive solar light for generating electrical current, and a back face that is opposite to the front face; and an atmospheric water harvesting device attached to the back face of the PV panel. The atmospheric water harvesting device is configured to cool down the PV panel by evaporating absorbed atmospheric water based on heat received from the PV panel.

Abstract: A lock assembly includes a driving member, a locking member, and a latch. The driving member includes a connection end, and a driving end movable with respect to the connection end. The connection end is arranged on a fastener. The locking member is rotatably arranged on a carrier through a first rotation shaft. The driving end is rotatably connected to the locking member through a second rotation shaft. The locking member includes a hook. The latch is arranged on the fastener. The hook is capable of hooking the latch. The driving end is configured to capable of driving the hook to disengage from the latch, and driving the carrier to rotate with respect to the fastener, or the driving end is configured to drive the hook to hook the latch so that the carrier is secured to the fastener.

Abstract: There is provided a method of producing a photovoltaic device comprising a photoactive region comprising a layer of perovskite material, wherein the layer of perovskite material is disposed on a surface that has a roughness average (Ra) or root mean square roughness (Rrms) of greater than or equal to 50 nm. The method comprises using vapour deposition to deposit a substantially continuous and conformal solid layer comprising one or more initial precursor compounds of the perovskite material, and subsequently treating the solid layer with one or more further precursor compounds to form a substantially continuous and conformal solid layer of the perovskite material on the rough surface. There is also provided a photovoltaic device comprising a photoactive region comprising a layer of perovskite material disposed using the method.

Abstract: Disclosed is a thermoelectric module. One embodiment of the thermoelectric modules comprises: a first substrate; a first electrode disposed on the first substrate; a thermoelectric leg disposed on the first electrode; a second electrode disposed on the thermoelectric leg; a second substrate disposed on the second electrode; a plurality of wire parts electrically connected to the first electrode and the second electrode; a first sealing part disposed on the first substrate and surrounding the side surface of the second substrate; and a second sealing part passing through the first sealing part and disposed on the inside and outside of the first sealing part. At least one of the plurality of wire parts is partially disposed inside the second sealing part.

Abstract: The present disclosure is related to thermoelectric panels and their use in cooling and heating systems. The cooling/heating systems may include a plurality of thermoelectric panels. The panels may include thermoelectric devices embedded between a housing formed by heat conductive layers and edge structures for preserve a low thermal conductivity volume.

Abstract: A heterocyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

Abstract: A modular power supply apparatus for use in harsh climates that comprises a portable, low cost, easily maintained, durable power supply for energy production as well as systems, methods for forming, and methods of using same.

Abstract: A solar cell, and methods of fabricating said solar cell, are disclosed. The solar cell can include a substrate having a light-receiving surface and a back surface. The solar cell can include a first semiconductor region of a first conductivity type disposed on a first dielectric layer, wherein the first dielectric layer is disposed on the substrate. The solar cell can also include a second semiconductor region of a second, different, conductivity type disposed on a second dielectric layer, where a portion of the second thin dielectric layer is disposed between the first and second semiconductor regions. The solar cell can include a third dielectric layer disposed on the second semiconductor region. The solar cell can include a first conductive contact disposed over the first semiconductor region but not the third dielectric layer.