The present disclosure provides a solar cell degaussing device, a solar cell production system and a solar cell degaussing method, the solar cell degaussing device comprises: a controller, a degausser, a sensing unit and a switching unit; the controller is connected to the sensing unit and the switching unit respectively; the switching unit is connected to the degausser; after the sensing unit detects presence of a cell slice, the controller triggers the switching unit to act so as to enable the degausser to be powered, and the powered degausser performs a degaussing treatment to the cell slice. The present disclosure solves the problem of lack of a cell slice degaussing device in the field of solar cell production, and the present device thereby can eliminate the magnetic of a magnetized cell slice, decrease the magnetic adsorption phenomena of facilities, and thus improve production efficiency.

Provided is a chalcogenide solar cell including a substrate, a transparent conducting oxide (TCO) back contact provided on the substrate, a chalcogenide light absorbing layer provided on the TCO back contact and including at least copper (Cu), gallium (Ga), and silver (Ag), and a TCO front contact provided on the chalcogenide light absorbing layer, wherein a Cu-rich region having a content of Cu higher than an average Cu content of the chalcogenide light absorbing layer is provided at an interface where the chalcogenide light absorbing layer is in contact with the TCO back contact.

Described are flexible electronics incorporating a bacterial cellulose paper substrate and methods of making and using the flexible electronics. Example devices disclosed include photovoltaic cells constructed over bacterial cellulose paper substrates.

The invention relates to an optical detector (110) for an optical detection, in particular, of radiation within the infrared spectral range, specifically, with regard to sensing at least one optically conceivable property of an object (112). More particular, the optical detector (110) may be used for determining transmissivity, absorption, emission, reflectance, and/or a position of at least one object (112). Further, the invention relates to a method for manufacturing the optical detector (110) and to various uses of the optical detector (110). The optical detector (110) comprises an optical filter (114) having at least a first surface (116) and a second surface (118), the second surface (118) being located oppositely with respect to the first surface (116), wherein the optical filter (114) is designed for allowing an incident light beam (120) received by the first surface (116) to pass through the optical filter (114) to the second surface (118), thereby generating a modified light beam (122) by modifying a spectral composition of the incident light beam (120); a sensor layer (128) comprising a photosensitive material (130) being deposited on the second surface (118) of the optical filter (114), wherein the sensor layer (128) is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor layer (128) by the modified light beam (122); and an evaluation device (140) designed to generate at least one item of information provided by the incident light beam (120) by evaluating the sensor signal. The optical detector (110) constitutes an improved simple, cost-efficient and, still, reliable detector for detecting optical radiation, especially within the infrared spectral range, specifically with regard to sensing at least one of transmissivity, absorption, emission and reflectance. Hereby, the optical detector (110) is capable of effectively removing stray light as far as possible.

The present invention relates to a multi-layer material comprising an assembly of layers, called front layers, capable of forming a front photovoltaic cell, and an assembly of layers, called rear layers, capable of forming a rear photovoltaic cell, wherein the front layer assembly and the rear layer assembly are electrically insulated by an insulating layer of epitaxial material.

Certain example embodiments relate to electric, potentially-driven shades usable with insulating glass (IG) units, IG units including such shades, and/or associated methods. In such a unit, a dynamic shade is located between the substrates defining the IG unit, and is movable between retracted and extended positions. The dynamic shade includes on-glass layers including a transparent conductor and an insulator or dielectric film, as well as a shutter. The shutter includes a resilient polymer, a conductor, and optional ink. Holes, invisible to the naked eye, may be formed in the polymer. When the conductor is reflective, overcoat layers may be provided to help reduce internal reflection. The polymer may be capable of surviving high-temperature environments and may be colored in some instances. The shade, when extended, may be used as a solar collector in some instances.

The present invention relates to a method which can effectively remove perovskite light absorbers, hole transport layers, metal electrodes, and the like by immersing a waste perovskite-based photoelectric conversion element module in a cleaning solution under predetermined conditions. The present invention can recover a substrate from the waste module and manufacture a photoelectric conversion element having a photoelectric conversion efficiency level comparable to the initially high level again, using the same.

An imaging device, an imaging apparatus, and an image input device. The imaging device includes a plurality of pixels disposed on a semiconductor substrate, and each of the pixels includes a photoelectric converter. The photoelectric converter includes a photoelectrically converting layer configured to convert incident light into a signal charge, a transparent electrode disposed on the photoelectrically converting layer, a protective layer disposed under the photoelectrically converting layer, an insulating layer disposed under the protective layer, and a pixel electrode disposed under the insulating layer. The imaging apparatus includes the imaging device. The image input device includes the imaging device.

Silver-containing absorbers for photovoltaic devices and techniques for fabrication thereof are provided. In one aspect, a method of forming an ink includes: mixing a silver halide and a solvent to form a first solution; mixing a metal, sulfur, and the solvent to form a second solution; combining the first solution and the second solution to form a precursor solution; and adding constituent components for an absorber material to the precursor solution to form the ink. Methods of forming an absorber film, a photovoltaic device, and the resulting photovoltaic device are also provided.

A method of forming a photovoltaic product with a plurality of photovoltaic cells is disclosed. The method comprises depositing a stack with first and second electrode layers (12, 16) and a photovoltaic layer (14) arranged in between. The method comprises partitioning the stack. The partitioning includes forming a trench (20) extending through the second electrode layer and the photovoltaic layer to expose the first electrode layer. The stack is first irradiated with a laser beam with a first spotsize and with a first wavelength for which the photovoltaic layer has a relatively high absorption coefficient as compared to that of the second electrode layer. The stack is then irradiated with a second laser beam with a second spotsize, greater than the first spotsize, and with a second wavelength for which the photovoltaic layer has a relatively low absorption coefficient as compared to that of the second electrode layer.