Abstract: Photovoltaic devices having photoactive layers coupled to buffer layers are disclosed. Such devices may be transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices may include a p-phenylene layer that acts as a buffer layer. The photovoltaic devices may include one or more photoactive layers. The one or more photoactive layers may include a single planar heterojunction, a single bulk heterojunction (BHJ), or multiple stacked BHJs that have complementary absorption characteristics, among other possibilities.

Abstract: An electricity generating window includes a first glass pane, a second glass pane, and a photovoltaic device formed on an inner surface of the first glass pane or an inner surface of the second glass pane. The photovoltaic device includes a first transparent electrode layer, a second transparent electrode layer, and one or more active layers configured to transmit visible light and absorb ultraviolet or near-infrared light. In some embodiments, the electricity generating window also includes a spacer configured to separate the first glass pane and the second glass pane by a cavity. In some embodiments, the electricity generating window also includes one or more functional layers, such as an electrochromic layer or a low-E layer for reflecting infrared light.

Abstract: Photoactive compounds are disclosed. The disclosed photoactive compounds include metal complexes with dipyrromethene-based ligands, which can be substituted with a variety of different side chains or groups or can include various fused ring configurations, such as including aromatic or heteroaromatic groups. The metal complexes may include two dipyrromethene-based ligands, which can be the same or different. The photoactive compounds can be used as photoactive materials in organic photovoltaic devices, such as visibly transparent or opaque photovoltaic devices.

Abstract: Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.

Abstract: An insulated glass unit (IGU) characterized by a transmitted IGU color (a*IGU; b*IGU) includes a photovoltaic structure characterized by a first transmitted color (a*1; b*1) and a low emissivity structure characterized by a second transmitted color (a*2; b*2). The first transmitted color and the second transmitted color are complementary.

Abstract: Materials, methods and system for transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and visibly transparent UV acceptor molecules and structurally related visibly transparent photoactive compounds, which may be useful as photoactive materials, optical materials, and/or buffer materials.

Abstract: Disclosed herein are visibly transparent photovoltaic devices, such as color-neutral visibly transparent photovoltaic devices. A color-neutral visibly transparent photovoltaic device includes a visibly transparent substrate and a first visibly transparent electrode coupled to the visibly transparent substrate. The device also includes a second visibly transparent electrode and a visibly transparent photoactive layer between the first visibly transparent electrode and the second visibly transparent electrode. The visibly transparent photoactive layer is configured to convert at least one of NIR light or UV light into photocurrent and is characterized by an absorption spectrum with a peak in the NIR or UV spectrum. The device further includes a visibly absorbing material characterized by a second absorption spectrum with a second peak in the visible spectrum, where the second absorption spectrum is complementary to the absorption spectrum.

Abstract: Organic photovoltaic devices with compound charge transport layers are described herein. One such device includes a substrate, a first electrode coupled to the substrate, a second electrode disposed above the first electrode, and photoactive layers disposed between the first electrode and the second electrode. The device further includes a compound charge transport layer disposed between the photoactive layers and either the first electrode or the second electrode. The compound charge transport layer includes a charge transport layer and a metal-oxide interlayer disposed between the charge transport layer and the photoactive layers. The charge transport layer may be a hole transport layer or an electron transport layer.

Abstract: Photoactive compounds are disclosed. The disclosed compounds can exhibit molecular structural elements tending to increase the evaporability of the compounds, such as by including geometric core disruption by use of conformationally restricted side groups instead of freely rotatable side groups or use of indandione moieties instead of dicyanomethyleneindanone moieties. The disclosed photoactive compounds include those with an imine-bridging linking moiety, which can shift the optical properties to a more red-shifted absorbance as compared to compounds with an alkene-bridging linking moiety. The disclosed photoactive compounds can be used in organic photovoltaic devices, such as visibly transparent or opaque photovoltaic devices.

Abstract: Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared or ultraviolet absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.

Abstract: Photoactive compounds are disclosed. The disclosed photoactive compounds include metal complexes with dipyrromethene-based ligands, which can be substituted with a variety of different side chains or groups or can include various fused ring configurations, such as including aromatic or heteroaromatic groups. The metal complexes may include two dipyrromethene-based ligands, which can be the same or different. The photoactive compounds can be used as photoactive materials in organic photovoltaic devices, such as visibly transparent or opaque photovoltaic devices.

Abstract: Organic photovoltaic devices with compound charge transport layers are described herein. One such device includes a substrate, a first electrode coupled to the substrate, a second electrode disposed above the first electrode, and photoactive layers disposed between the first electrode and the second electrode. The device further includes a compound charge transport layer disposed between the photoactive layers and either the first electrode or the second electrode. The compound charge transport layer includes a charge transport layer and a metal-oxide interlayer disposed between the charge transport layer and the photoactive layers. The charge transport layer may be a hole transport layer or an electron transport layer.

Abstract: Photovoltaic devices having photoactive layers coupled to buffer layers are disclosed. Such devices may be transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices may include a p-phenylene layer that acts as a buffer layer. The photovoltaic devices may include one or more photoactive layers. The one or more photoactive layers may include a single planar heterojunction, a single bulk heterojunction (BHJ), or multiple stacked BHJs that have complementary absorption characteristics, among other possibilities.

Abstract: Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.

Abstract: Photovoltaic devices having photoactive layers coupled to buffer layers are disclosed. Such devices may be transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices may include a p-phenylene layer that acts as a buffer layer. The photovoltaic devices may include one or more photoactive layers. The one or more photoactive layers may include a single planar heterojunction, a single bulk heterojunction (BHJ), or multiple stacked BHJs that have complementary absorption characteristics, among other possibilities.

Abstract: Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.

Abstract: Systems and methods for complex process flow approval using distributed ledgers are disclosed. The method may include generating a process initiation message based on input from a second service provider or a user. The method may include recording the process initiation message on a first distributed ledger. The method may include monitoring the first distributed ledger for an indication of an approval event. The method may include generating a settlement event based on the indication of the approval event. The method may include recording the settlement event on the first distributed ledger. The method may include communicating a settlement event message to a second distributed ledger. The method may include generating a virtual payment instrument associated with the settlement event message, the indication of the approval event, and the process initiation message.

Abstract: A transparent photovoltaic device includes a transparent substrate, a transparent bottom electrode coupled to the transparent substrate, an active layer coupled to the transparent bottom electrode, and a transparent multilayer top electrode. The transparent multilayer top electrode includes a seed layer deposited on the active layer, a first metal layer deposited on the seed layer, an interconnect layer deposited on the first metal layer, and a second metal layer deposited on the interconnect layer. The transparent photovoltaic device is characterized by an average visible transmission (AVT) greater than 25% and a top electrode sheet resistance that is less than 100 Ohm/sq.

Abstract: A photovoltaic module includes a first transparent electrode layer characterized by a first sheet resistance, a second transparent electrode layer, and a photovoltaic material layer. The photovoltaic material layer is located between the first transparent electrode layer and the second transparent electrode layer. The photovoltaic module also includes a first busbar having a second sheet resistance lower than the first sheet resistance. The first transparent electrode layer, the second transparent electrode layer, and the photovoltaic material layer have an aligned region that forms a central transparent area of the photovoltaic module. The central transparent area including a plurality of sides. The first busbar is in contact with the first transparent electrode layer adjacent to at least a portion of each of the plurality of sides of the central transparent area.

Abstract: Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.