Abstract: A hybrid organic-inorganic solar cell is provided that includes a substrate, a transparent conductive oxide (TCO) layer deposited on the substrate, an n-type electron transport material (ETM) layer, a p-type hole transport material (HTM) layer, an i-type perovskite layer, and an electrode layer, where the substrate layers are arranged in an n-i-p stack, or a p-i-n stack, where the passivating barrier layer is disposed between the layers of the (i) perovskite and HTM, (ii) perovskite and ETM, (iii) perovskite and HTM, and perovskite and ETM, or (iv) TCO and ETM, and ETM and perovskite, and perovskite and HTM, or (v) substrate and TCO, and TCO and ETM, and ETM and perovskite, and perovskite layer and HTM, or (vi) a pair of ETM layers, or (vii) a pair of HTM layers.

Abstract: A thermoelectric conversion module having a further improved thermoelectric performance is provided. The thermoelectric conversion module includes: a base material; and a thermoelectric element layer including a thermoelectric semiconductor composition, wherein the thermoelectric semiconductor composition includes a thermoelectric semiconductor material, a heat resistant resin A, and an ionic liquid and/or inorganic ionic compound, and wherein the base material has a thermal resistance of 0.35 K/W or less.

Abstract: A solar module configured in a frame assembly with multi-configuration attachment member(s), which has locking and unlocking characteristics.

Abstract: A photovoltaic device is presented. The photovoltaic device includes a layer stack; and an absorber layer is disposed on the layer stack. The absorber layer comprises selenium, wherein an atomic concentration of selenium varies across a thickness of the absorber layer. The photovoltaic device is substantially free of a cadmium sulfide layer.

Abstract: A connection assembly for a photovoltaic module includes at least one cell assembly which is externally contactable to at least two contacts. The connection assembly includes at least one bypass diode, which is arranged externally of the at least one cell assembly and connected in parallel to the at least one cell assembly. The connection assembly is characterized in that the connection assembly has at least one plug receptacle into which the bypass diode can be plugged in with plug contacts. A photovoltaic module with such a connection assembly is also provided.

Abstract: Strings of interconnected PV cells within a PV laminate or module are themselves connected by one or more cross-ties. These cross-tied strings can be oriented in a straight or serpentine fashion and spacings between adjacent strings may differ depending upon whether a cross-tie connection is present or not. The PV cells may be multi-diode PV cells having a shared substrate. PV cells connected by a cross-tie are connected in parallel and have a shared voltage potential.

Abstract: The photovoltaic module includes at least one cell string, including multiple solar cell sheets, and adjacent solar cell sheets in the multiple solar cell sheets are connected to each other by multiple welding strips. In some embodiments, the photovoltaic module further includes multiple welding strips, where each of the multiple welding strips is in electrical contact with a corresponding bus bar, each of the multiple welding strips includes multiple bending portions arranged continuously along a second direction. In addition, along the second direction, an orthographic projection of a central line of each of the multiple welding strips on a back surface of the solar cell sheet coincides with an orthographic projection of a central line of the corresponding bus bar and/or an orthographic projection of a central line of each of the multiple bonding pads on the corresponding bus bar on the back surface of the solar cell sheet.

Abstract: The present invention relates to a preparation method of a stretchable inorganic thermoelectric thin film and the stretchable inorganic thermoelectric thin film prepared by the method.

Abstract: The disclosure is related to structures and method of making thermoelectric devices. The structures include an electrically and thermally nonconductive substrate with cylindrical or frustum-shaped tunnels. The tunnels may be filled with thermally and electrically conductive materials that resist diffusion. The structures include n-type and p-type materials, in homogeneous form or alternating with interlayers to block phonon conduction between layers of thermoelectric materials. The tunnels are individually associated with either n-type or p-type thermoelectric materials and connected in pairs to form alternating conductors on both sides of the substrate. The structures may also be coated with layers of gold and nickel and have thermoelectric materials deposited in the tunnels. The tunnels may be partially or fully capped with sintered nano-silver or solder.

Abstract: A photovoltaic cell module in which a difference in color between a photovoltaic cell and the other portion is made to disappear and the changes of the color and appearance of its surface depending upon a viewing angle is hardly visually recognized, while suppressing the reduction of the power generation amount of the photovoltaic cell. The present photovoltaic cell module includes a thin plate-like photovoltaic cell enclosed in transparent sealing material; a transparent face plate laminated on the surface of the sealing material on the light receiving surface side of the photovoltaic cell; and a decorative layer laminated on the face plate, where a transparent resin is employed as base material of the decorative layer and light transmissive scaly glitter pigment is dispersed in the decorative layer such that the surface direction of the pigment is along the face plate surface.

Abstract: Discussed is a solar cell including a single crystalline silicon substrate, a polycrystalline silicon layer on a back surface and side surfaces of the single crystalline silicon substrate, a diffusion region on a front surface of the single crystalline silicon substrate, a front passivation layer on the diffusion region, a back passivation layer on the polycrystalline silicon layer, a first electrode connected to the diffusion region through the front passivation layer, and a second electrode connected to the polycrystalline silicon layer through the back passivation layer, wherein the side surfaces of the single crystalline silicon substrate includes a first portion without the polycrystalline silicon layer and a second portion with the polycrystalline silicon layer.

Abstract: A photovoltaic device includes a substrate structure and at least one Se-containing layer, such as a CdSeTe layer. A process for manufacturing the photovoltaic device includes forming the CdSeTe layer over a substrate by at least one of sputtering, evaporation deposition, CVD, chemical bath deposition process, and vapor transport deposition process. The process can also include controlling a thickness range of the Se-containing layer.

Abstract: A solar concentrator assembly (102) comprises a concave mirror (108) for collecting radiation that is collimated and has uniform distribution from a source and a convex mirror (110). The concave mirror (108) is configured to reflect the radiation to the convex mirror (110) and the convex mirror (110) is configured to reflect the radiation as a concentrated collimated beam in an emission direction that is angularly offset from the source. The concave mirror (108) and convex mirror (110) each have a focal length that varies along one axis such that the radiation collected by the concave mirror (108) is transmitted from the convex mirror (110) with uniform distribution.

Abstract: The present invention refers to a three terminal tandem solar generation unit (1) comprising: —a first absorbing layer (7) made of a perovskite type compound, —a second absorbing layer (11, 11?), —a first and a second interdigitated front contacts (5a, 5b) arranged on the front side of the first absorbing layer (7), the first front contact (5a) having a first polarity and the second front contact (5b) having a second polarity, —a back contact (17, 17?) having the first or the second polarity arranged on the back side of the second absorbing layer (11, 11?), —an interface layer (9, 90, 9?, 90?) arranged between the first (7) and the second (11, 11?) absorbing layers comprising a first semiconductor sub-layer (9a, 90a, 9a?, 90a?) doped according to the first polarity and a second sub-layer (9b, 90b, 9b?, 90b?) doped according to the second polarity and configured for enabling carriers associated with a polarity different than the polarity of the back contact (17, 17?) to be transferred from the second absorbing

Abstract: The hybrid perovskite solar cell with an organoselenium-based polymer hole transport layer includes an optically transparent first electrode layer, an electron transport layer, and a perovskite layer. The electron transport layer is sandwiched between the optically transparent first electrode layer and the perovskite layer. The hybrid perovskite solar cell with an organoselenium-based polymer hole transport layer further includes a hole transport layer and a second electrode layer. The perovskite layer is sandwiched between the electron transport layer and the hole transport layer, and the hole transport layer is sandwiched between the perovskite layer and the second electrode layer. The hole transport layer is formed from an organoselenium-based polymer.

Abstract: A method for manufacturing a solar cell comprising forming a series of transparent electrode layer material films on electroconductive semiconductor layers on the reverse surface side of a substrate; forming metal electrode layers on the transparent electrode layer material films; forming insulation layers covering the entirety of the metal electrode layers except for a first non-insulation region, and insulation layers covering the entirety of the metal electrode layers excluding a second non-insulation region; and forming patterned transparent electrode layers and leaving the insulation layers using an etching technique in which the insulation layers are masks.

Abstract: The present invention relates to devices comprising metal halide perovskites and organic passivating agents. In particular, the invention relates to photovoltaic and optoelectronic devices comprising passivated metal halide perovskites. The device according to the invention comprises: (a) a metal halide perovskite; and (b) a passivating agent which is an organic compound; wherein molecules of the passivating agent are chemically bonded to anions or cations in the metal halide perovskite.

Abstract: A back contact solar cell string includes at least two cell pieces, each cell piece including P-type doped regions and N-type doped regions that are alternately arranged, the P-type doped regions including positive electrode thin grid lines, and the N-type doped regions including negative electrode thin grid lines; and a plurality of conductive wires connected to the positive electrode thin grid lines and the negative electrode thin grid lines. The conductive regions configured for electrical connection between each conductive wire and the positive electrode thin grid lines or the negative electrode thin grid lines and insulation regions configured for insulating connection between each conductive wire and the negative electrode thin grid lines or the positive electrode thin grid lines are alternately disposed at joints between each conductive wire and the positive electrode thin grid lines, and at joints between each conductive wire and the negative electrode thin grid lines.

Abstract: Disclosed is a preparation method for crosslinked nanoparticle film. The preparation method comprises: dispersing nanoparticles in a solvent and uniformly mixing same, so as to obtain a nanoparticle solution; and using the nanoparticle solution to prepare a nanoparticle thin film by means of a solution method, and introducing a gas combination to promote a crosslinking reaction, so as to obtain a crosslinked nanoparticle thin film. By introducing a gas combination during film formation of nanoparticles, the present disclosure promotes the crosslinking among particles, and thus increases the electrical coupling among particles, lowers the potential barrier of carrier transmission, and increases the carrier mobility, thereby greatly improving the electrical properties of the thin film.

Abstract: Provided is a busbar-free interdigitated back contact (IBC) solar cell and an IBC solar cell module. The IBC solar cell includes a semiconductor substrate, finger electrode lines and conductive lines. The finger electrode lines include first finger electrode lines and second finger electrode lines that are alternately arranged on the semiconductor substrate. The conductive lines include first conductive lines and second conductive lines that are alternately arranged. The first conductive lines are connected to the first finger electrode lines and spaced apart from the second finger electrode lines. The second conductive lines are connected to the second finger electrode lines and spaced apart from the first finger electrode lines.