Method of making an array of interconnected solar cells, including a) providing a continuous layer stack (1) of a prescribed thickness on a substrate (8), the layer stack (1) including an upper (2) and a lower (3) conductive layer having a photoactive layer (4) and a semiconducting electron transport layer (6) interposed there between; b) selectively removing the upper conductive layer (2) and the photoactive layer (4) for obtaining a contact hole (10) exposing the semiconducting electron transport layer (6); c) selectively heating the layer stack (1) to a first depth (d1) for obtaining a first heat affected zone (12) at a first centre-to-centre distance (s1) from the contact hole (10), the first heat affected zone (12) being transformed into a substantially insulating region with substantially the first depth (d1) in the layer stack, thereby locally providing an increased electrical resistivity to the layer stack (1).

The present invention concerns an electronic device, preferably a thin film electronic device, and a method for producing the device. The device comprises an intermediate structure (301, 401, 501) at the interface between neighboring unit devices connected in series. The intermediate structure is suitable to employ deposition techniques that make it possible to avoid steps of scribing or patterning insulating and/or separating lines between adjacent layers of the device.

A solar cell system integrated with window glass and a blind is provided. The solar cell system includes high-power solar cell system that has two types of solar cells that are configured to absorb light with different wavelength bands from each other and are coupled to a window glass and a blind, respectively. The solar cell system includes a first solar cell that is coupled to a window glass and a second solar cell that is coupled to a blind and configured to absorb light different in wavelength band from light absorbed by the first solar cell. The band gap energy of the first solar cell is greater than the band gap energy of the second solar cell to maximize generation of electrical energy. Additionally, the second solar cell is coupled to the blind installed to open and close to increase power without degrading transmittance of the window glass.

Disclosed is a photovoltaic cell including a first electrode and a second electrode having transparency and disposed facing each other, and a photovoltaic cell layer disposed between the first and second electrodes, and configured to produce electric energy by absorbing a part of incident light, wherein the photovoltaic cell layer includes a plurality of unit cells disposed in a specific distance from each other and formed with a plurality of slits for polarizing the incident light, and a transparent insulator disposed in the plurality of slits.

A method for constructing a solar rectenna array by growing carbon nanotube antennas between lines of metal, and subsequently applying a bias voltage on the carbon nanotube antennas to convert the diodes on the tips of the carbon nanotube antennas from metal oxide carbon diodes to geometric diodes. Techniques for preserving the converted diodes by adding additional oxide are also described.

Provided is a solar cell module and a manufacturing method thereof, and a photovoltaic module. The solar cell module includes a substrate; and conductive layers arranged on a surface of the substrate and separated from each other. Solar sub-cells are provided on a surface of the conductive layer. Grooves are provided between adjacent solar sub-cells to separate the solar sub-cells from each other. Each of the solar sub-cells includes a hole transport layer, a perovskite layer and an electron transport layer that are stacked on the surface of the conductive layer. The hole transport layer of each solar sub-cell includes branch electrodes separated from each other. Each of the branch electrodes contacts an interior of the conductive layer. The solar cell module further includes an electrode. The electrode successively passes through the electron transport layer and the perovskite layer and is connected to the branch electrodes.

A photoelectric conversion element includes: a first substrate; a first electrode; a photoelectric conversion layer; a second electrode; a sealing part; and a second substrate. The photoelectric conversion element is translucent. The second electrode includes a conductive nanowire and a conductive polymer. The sealing part includes a drying agent.

A solar battery cell, comprises a substrate; a first electrode provided on the substrate; a photoelectric conversion layer provided on the first electrode; a second electrode provided on the photoelectric conversion layer; and a barrier layer so provided as to cover a side portion of the photoelectric conversion layer, wherein the photoelectric conversion layer has an electron transport layer, a light absorption layer provided on the electron transport layer, and a hole transport layer provided on the light absorption layer, the light absorption layer includes a compound having a perovskite crystal structure, and the barrier layer is a dense inorganic material layer.

A method of fabricating a large-area perovskite film includes steps of: providing a precursor solution on a conductive substrate to form a film, wherein the perovskite is represented by a formula of ABX.sub.3, and the solutes of the precursor solution at least comprises A, B and X; and applying an anti-solvent or Infrared light on the film. The fabrication methods of a large-area perovskite film and a perovskite solar cell or module are also disclosed.

Disubstituted diaryloxybenzoheterodiazole compound of general formula (1): in which:—Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR.sub.5 group in which R.sub.5 is selected from linear or branched C.sub.1-C.sub.20, preferably C.sub.1-C.sub.8, alkyl groups, or from optionally substituted aryl groups;—R.sub.1, R.sub.2 and R.sub.3 are as defined in the claims. The said disubstituted diaryloxybenzoheterodiazole compound of general formula (I) can advantageously be used as a spectrum converter in luminescent solar concentrators (LSCs) which are in turn capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules) on either a rigid substrate or a flexible substrate.

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