Abstract: The improved solar panel includes a photovoltaic collection system, a lens structure and a calliport structure. The calliport structure is a photon manifold. The calliport structure is formed in the silicon crystalline structure of the NP junction of each individual photovoltaic cell contained within the photovoltaic collection structure. The calliport structure captures a proportion of the photons that are redirected by the lens structure. The calliport structure discharges the redirected photons into the N crystalline layer and the P crystalline layer through refraction and ejection processes. The calliport structure directly injects photons into the depletion zone of the P crystalline layer such that the net electric current production of the individual photovoltaic cell is increased relative to a standard photoelectric cell.

Abstract: A method for controlling a cooling system for photovoltaic panels is provided. The cooling system has a water cooling assembly adapted to produce a cooling water flow wetting an upper surface of a photovoltaic panel exposed to solar light, an air cooling assembly adapted to produce an air flow directed against the upper surface of the photovoltaic panel, a set of sensors and electric power meters, and an electronic control unit configured to receive input information regarding values of a set of control parameters and to automatically control activation of the water cooling assembly and of the air cooling assembly according to predetermined modes of operation depending on values of the control parameters.

Abstract: A semiconductor device includes a substrate, a first electrode located on the substrate, a metal halide perovskite layer located on the first electrode, a second electrode located on the metal halide perovskite layer, and passivation molecules that passivate the metal halide perovskite layer. The metal halide perovskite layer has (1) a top surface defect located in a top surface and (2) an inter-grain defect located at an interface between two adjacent grains, and the passivation molecules passivate at least one of the top surface defect and the inter-grain defect.

Abstract: An energy harvesting system is provided. The energy harvesting system includes a waveguide, a luminophore embedded in the waveguide, and a solar photovoltaic array or a solar photovoltaic cell coupled to the waveguide. The energy harvesting system is visibly transparent, having an average visible transmittance of greater than about 50% and a color rendering index of greater than about 80 at normal incidence to the waveguide.

Abstract: A system for mounting one or more solar panels, the system comprising: a third sub-assembly comprising: angled posts arranged transverse to each other, each angled post including a penetrating end arranged to penetrate and engage a post-mounting surface; an engagement bracket arranged to engage the angled posts in use; and a second sub-assembly comprising: an elongated member adapted to be mounted to the engagement bracket at a distance from the post-mounting surface and to extend in a direction substantially perpendicular to the longitudinal direction of the post, the elongated member including at least one male portion that is elongated along a longitudinal axis of the elongated member; and a solar panel support member arranged to slidably receive an edge of a solar panel and including a female portion adapted to receive the at least one male portion of the elongated member, the solar panel support member adapted for pivotal movement about the longitudinal axis of the elongated member to provide a correspon

Abstract: A solar tracker, solar array, and method of designing a solar tracker or array including a plurality of piers, a torque tube supported by the piers, each pier having a common reveal from the earth and the torque tube has a relative angle from a first pier to a second pier of between 0.25 and about 0.75 degrees.

Abstract: An ammonium acetate selected from the group of pentylammonium acetate, phenylethylammonium acetate, 2-([1,1?-biphenyl]-4-yl) ethan-1-amine acetate, butanammonium acetate, hexylammonium acetate, octylammonium acetate, phenylbutanammonium acetate, and any combination thereof, is used to modify a perovskite layer in a perovskite solar cell. A perovskite solar cell includes a perovskite layer and an interface modification layer that is in contact with the perovskite layer and includes at least one ammonium acetate provided herein. A method of preparing the inverted perovskite solar cell.

Abstract: A slim solar module is proposed. It comprises a solar laminate comprising plural solar cells interposed between front and rear cover sheets, a frame enclosing the solar laminate and at least one reinforcement strut arranged at a rear surface of the solar laminate. A ratio between a frame surface and a frame thickness shall be between 45000 and 70000. For example, the frame may have a thickness of less than 35 mm. Specifically, the frame may have a length of 1665 mm, a width of 991 mm and a thickness of 30 mm. Due to the reduced thickness, the solar module has a reduced volume being beneficial during transport to a destination location. However, the thickness has been optimized to, with the reinforcement struts, still providing for sufficient mechanical stability for the solar module.

Abstract: Disclosed are a lead-free photodetector and a method for manufacturing the same. The lead-free photodetector includes a light-side electrode, a light-side conductive layer formed on the light-side electrode, a perovskite layer formed on the light-side conductive layer, a rear-side conductive layer formed on the perovskite layer, and a rear-side electrode formed on the rear-side conductive layer.

Abstract: A composition contains a naphthalocyanine derivative represented by the following formula: where R1 to R8 are independently an alkyl group and R9 to R12 are independently an aryl group, and at least one hydrogen atom in at least one selected from the group consisting of R9, R10, R11, and R12 is substituted by an electron-withdrawing group.

Abstract: An electrical supply system has a carport appliance with a framework supporting a plurality of PV panels and a system controller having a PV inverter coupled to the PV panels of the carport appliance. The PV inverter is adapted to provide current to charge electrically powered vehicles, and has a regulated bus coupled to electrical apparatus providing surge capacity for the supply system. In one instance the system controller has an AC output to input of a distribution apparatus for a residence or a business.

Abstract: An extensible mast according to the present disclosure includes a first fiber layer made of a fiber-reinforced plastic, a second fiber layer that is arranged in contact with the first fiber layer and made of a fiber-reinforced plastic having a thermal expansion coefficient in a longitudinal direction larger than a thermal expansion coefficient in the longitudinal direction of the fiber-reinforced plastic applied to the first fiber layer, and an electric heating wire arranged on the second fiber layer. The number of times of overlapping of the electric heating wire in different layers when the first fiber layer, the second fiber layer, and the electric heating wire are wound and retracted in a roll shape is minimized. Thus, the elastic restoring force of the extensible mast can be maintained while an increase in weight and volume is suppressed.

Abstract: A composition comprising an electron acceptor material and an electron donor material wherein the electron acceptor material is a compound of formula (I): EAG-EDG-EAG (I) wherein each EAG is an electron-accepting group and EDG is a group of formula (II): (II) wherein: n is at least 1; each m is independently 0 or at least 1; each X, Y and A is independently O, S or Se; Z, independently in each occurrence if n is greater than 1, is O, S, C?O or NR9 wherein R9 is H or a substituent; and R1-R8 are each independently selected from H or a substituent. The composition may be used as photosensitive organic layer of an organic photodetector.

Abstract: A dual axis solar array tracker for supporting a plurality of solar energy harvesting elements at a plurality of solar collector nodes. Two perpendicular axes of movement, specifically a rotation axis at a rotatable transverse beam and a tilt axis relative to the axis of the transverse beam, enable accurate orientation in a stable configuration. The dual axis design of the solar tracker enables the movement of solar collectors such that they can be directed towards the sun wherein incoming solar rays are perpendicular to the solar cell element of the solar collector to optimize collection of solar radiation. The present solar tracker array also enables integrated solar, electrical and/or thermal energy cogeneration.

Abstract: A long-lasting and stable perovskite solar cell utilizes fluorine-containing inorganic ammonium salts to form ion exchange with perovskite to construct a perovskite light-absorbing layer to protect the perovskite, greatly improving stability of the perovskite solar cell. The perovskite solar cell can maintain 94% and 81% of its initial efficiency after being placed in a nitrogen-filled glove box and humid air for 14,016 hours and 2,500 hours, respectively, and can still maintain 83% of its initial efficiency after performed by heat aging at 85° C. for 1,248 hours, reaching a world-class level. A preparation method of the perovskite solar cell is simple, materials used to prepare the perovskite solar cell are inexpensive, and the stability of an obtained device is significantly improved under various conditions.

Abstract: Method of manufacturing a single-side-contacted photovoltaic device (1), comprising the steps of: a) providing a photovoltaically-active substrate (3) defining a plurality of alternating hole collecting zones (3a) and electron collecting zones (3b) arranged in parallel strips; b) depositing a conductive layer (5) across said zones; c) depositing at least one conductive track (9) extending along at least part of each of said zones (3a, 3b); d) selectively forming a dielectric layer (7) on each of said zones (3a, 3b), so as to leave an exposed area free of dielectric at an interface between adjacent zones (3a, 3b); e) etching said conductive layer (5) in said exposed areas; f) applying a plurality of interconnecting conductors (11a, 11b) so as to electrically interconnect at least a portion of said hole collecting zones (3a) with each other, and to electrically interconnect at least a portion of said electron collecting zones (3b) with each other.

Abstract: The present disclosure relates to a silicon/perovskite tandem solar cell and a preparation method thereof and belongs to the technical field of perovskite tandem cells. The silicon/perovskite tandem solar cell includes a silicon bottom cell and a perovskite top cell, in which a seed crystal silicon layer and a tunneling layer are sequentially arranged between a surface of the silicon bottom cell and a bottom surface of the perovskite top cell, the seed crystal silicon layer being adjacent to the silicon bottom cell, and the tunneling layer being adjacent to the perovskite top cell. Here, the seed crystal silicon layer is an amorphous silicon layer, and the tunneling layer is a doped microcrystalline silicon oxide layer. The cell facilitates the tunneling between the silicon bottom cell and the perovskite top cell, thereby improving the open circuit voltage and the conversion efficiency of the cell.

Abstract: A movable storage container includes: a plurality of walls defining an enclosure for storing items; a solar power generation array affixed to an outer surface of at least one of the walls; an energy storage device configured to receive power from the solar power generation array; a switch assembly configured to: selectively receive power from a source selected from (i) the energy storage device, (ii) an auxiliary generator, and (iii) an electrical grid input, and direct the received power to a refrigeration unit; a polyphase inverter assembly connected between the energy storage device and the switch assembly, and a controller connected with the switch and configured to transmit source selection commands to the switch.

Abstract: A photovoltaic device includes a substrate, a semiconductor stack and a transparent tunnel junction. The semiconductor stack includes an n-type layer selected from a first transparent conductive oxide layer, or a window layer, or both; and a p-type absorber layer disposed on the n-type layer, wherein the absorber layer consists essentially of CdSexTe(1-x), wherein x is from 1 to about 40 at. %. The transparent tunnel junction comprises a transparent interface layer of CdyZn(1-y)Te doped to be p+type, and a transparent contact layer doped to be n+type, and the interface layer is disposed between the p-type absorber layer and the transparent contact layer. In bifacial embodiments, the tunnel junction forms a transparent back contact and electrode; and in multi-junction embodiments, the tunnel junction forms a diode-like connector between top and bottom cells. The transparent contact layer may comprise tin oxide or zinc oxide doped with aluminum, fluorine or indium.

Abstract: The solar panel turret apparatus is a device that features lesser moving parts compared to other conventional systems. More specifically, the device utilizes a singular motor driven system, that enables a solar panel to rotate 360 degrees horizontally. The single motor and single rotational movement allow the turret device to adjust to a wide range of angles. Further, the device is a solely software driven apparatus, wherein the software is configured to manipulate the turret device to achieve optimal solar capture. In other words, a precision stepper motor controlled by the software, enables the device to locate the sun anywhere in the sky with the press of a button. The device further eliminates the need for sensors, thereby reducing costs while increasing reliability of the device. Furthermore, when used in tandem, each solar panel can position independently, or a group can position in a way beneficial to the entire array.