A photoelectric conversion module includes photoelectric conversion elements electrically coupled. The photoelectric conversion elements each sequentially include first electrode, photoelectric conversion layer, and second electrode. The photoelectric conversion module includes first photoelectric conversion element, second photoelectric conversion element, and coupling portion to couple the first and second photoelectric conversion elements in series. The first electrode or the second electrode forming the first photoelectric conversion element includes a contact region in contact with the coupling portion, and a contactless region in contactless with the coupling portion and at a side of the first photoelectric conversion element relative to the coupling portion. The length of the contactless region in a coupling direction in which the first and second photoelectric conversion elements are coupled to each other is 30 mm or less.

A photoelectric conversion module includes photoelectric conversion elements electrically coupled. The photoelectric conversion elements each sequentially include first electrode, photoelectric conversion layer, and second electrode. The photoelectric conversion module includes first photoelectric conversion element, second photoelectric conversion element, and coupling portion to couple the first and second photoelectric conversion elements in series. The first electrode or the second electrode forming the first photoelectric conversion element includes a contact region in contact with the coupling portion, and a contactless region in contactless with the coupling portion and at a side of the first photoelectric conversion element relative to the coupling portion. The length of the contactless region in a coupling direction in which the first and second photoelectric conversion elements are coupled to each other is 30 mm or less.

Provided is a see-through thin film solar cell module including a transparent substrate, a first back electrode deposited on a first surface of the transparent substrate, a second back electrode deposited on the first back electrode and including a MoSe.sub.2 layer, an absorber layer deposited on the second back electrode and including selenium (Se) or sulfur (S), and a laser scribing pattern formed by partially removing the absorber layer.

According to an embodiment, a transparent solar cell, a photovoltaic system including the transparent solar cell, and a method for manufacturing the transparent solar cell are provided. The transparent solar cell comprises a substrate, an adhesive layer formed on the substrate, a metal layer formed on the adhesive layer, a solar cell layer formed on the metal layer, and a coating layer formed on the solar cell layer. The solar cell layer and the metal layer include a plurality of holes having a predetermined diameter.

A multi-layer apparatus has a transparent or semi-transparent substrate, a solar-cell layer coupled to the substrate, an energy-storage layer coupled to the solar-cell layer, and a converter layer coupled to the energy-storage layer. The solar-cell layer has a plurality of solar cells for receiving light through the substrate and converting energy of the received light to a first electrical energy, the energy-storage layer has one or more energy-storage units for storing a second electrical energy, and the converter layer has one or more power converters electrically connected to the solar-cell layer and the energy-storage layer for receiving the first electrical energy and the second electrical energy therefrom and outputting a third electrical energy via an output thereof.

A multi-layer apparatus has a transparent or semi-transparent substrate, a solar-cell layer coupled to the substrate, an energy-storage layer coupled to the solar-cell layer, and a converter layer coupled to the energy-storage layer. The solar-cell layer has a plurality of solar cells for receiving light through the substrate and converting energy of the received light to a first electrical energy, the energy-storage layer has one or more energy-storage units for storing a second electrical energy, and the converter layer has one or more power converters electrically connected to the solar-cell layer and the energy-storage layer for receiving the first electrical energy and the second electrical energy therefrom and outputting a third electrical energy via an output thereof.

Systems and methods for generating electrical current from at least one photovoltaic cell is described herein. The photovoltaic cell may be disposed over a display of an electronic device. The photovoltaic cell may comprise first and second conductive layers and a photovoltaic layer. The first conductive layer may be etched such that a width of the metal layer is less than a width of the photovoltaic layer providing visibility to the display disposed below. In some embodiments, a capacitive touch sensor is disposed between the metal layer and the absorber layer for providing interaction with a user.

A thin-film solar module with a substrate and a layer structure applied thereon, which comprises a rear electrode layer, a front electrode layer, and an absorber layer arranged between the rear electrode layer and the front electrode layer, wherein serially connected solar cells are formed in the layer structure by patterning zones, wherein at least one solar cell has one or more optically transparent zones that are in each case rear-electrode-layer-free, wherein the one or more optically transparent zones are implemented such that the rear electrode layer of the solar cell is continuous.

A thin-film solar module with a substrate and a layer structure applied thereon, which comprises a rear electrode layer, a front electrode layer, and an absorber layer arranged between the rear electrode layer and the front electrode layer, wherein serially connected solar cells are formed in the layer structure by patterning zones, wherein at least one solar cell has one or more optically transparent zones that are in each case rear-electrode-layer-free, wherein the one or more optically transparent zones are implemented such that the rear electrode layer of the solar cell is continuous.

Disclosed herein are embodiments of a composition comprising a polymer or sol-gel and one or more nanocrystals. The composition is useful as a luminescent solar concentrator. The nanocrystals are dispersed in the polymer or sol-gel matrix so as to reduce or substantially prevent nanocrystal-to-nanocrystal energy transfer and a subsequent reduction in the emission efficiency of the composition. In some embodiments, the polymer matrix comprises an acrylate polymer. Also disclosed herein is a method for making the composition. Devices comprising the composition are disclosed. In some cases the polymer is the waveguide, in others the polymer is applied as a coating on a waveguide. In some examples, the device is a window.