A photovoltaic device is provided. The photovoltaic device includes a metal salt layer disposed adjacent to a perovskite layer. The metal salt layer diffuses into the perovskite layer. Methods for fabricating the photovoltaic device are also provided.

The present technology relates to, in a photoelectric conversion element using a photoelectric conversion film, the photoelectric conversion element and a method of manufacturing the same, a solid state image sensor, an electronic device, and a solar cell, for enabling improvement of quantum efficiency. The photoelectric conversion element includes two electrodes constituting an anode and a cathode, and a photoelectric conversion layer arranged between the two electrodes, and at least one electrode side of the two electrodes is doped with an impurity at impurity density of 1e16/cm3 or more in the photoelectric conversion layer. The present technology can be applied to, for example, a solid state image sensor, an electronic device, a solar cell and the like.

The present invention relates to a method for manufacturing a photovoltaic device comprising: —forming a porous first conducting layer on one side of a porous insulating substrate, —coating the first conducting layer with a layer of grains of a doped semiconducting material to form a structure, —performing a first heat treatment of the structure to bond the grains to the first conducting layer, —forming electrically insulating layers on surfaces of the first conducting layer, —forming a second conducting layer on an opposite side of the porous insulating substrate, —applying a charge conducting material onto the surfaces of the grains, inside pores of the first conducting layer, and inside pores of the insulating substrate, and—electrically connecting the charge conducting material to the second conducting layer.

An imaging element which is formed by sequentially stacking at least an anode, an anode-side buffer layer, a photoelectric conversion layer, and a cathode, in which the anode-side buffer layer includes a material having structural formula ##STR00001##
in which thiophene and carbazole are combined.

Systems and methods for perovskite single crystal growth include using a low temperature solution process that employs a temperature gradient in a perovskite solution in a container, also including at least one small perovskite single crystal, and a substrate in the solution upon which substrate a perovskite crystal nucleates and grows, in part due to the temperature gradient in the solution and in part due to a temperature gradient in the substrate. For example, a top portion of the substrate external to the solution may be cooled.

A method for packaging an organic photodetector includes providing a multilayer structure disposed on a portion of a substrate to form the organic photodetector; providing a casing having at least one wall and an open end, wherein the casing includes at least one aperture in at least one wall; sealing the open end of the casing with the substrate to enclose the multilayer structure in a volume such that the least one aperture is located in a path of radiation to an inactive region of the organic photodetector; evacuating the volume through the at least one aperture; and closing the at least one aperture after evacuating the volume to form a detector package. The multilayer structure includes a thin film transistor (TFT) array, an organic photodiode disposed on the TFT array, and a scintillator layer disposed on the organic photodiode. An imaging system including the detector package is also presented.

An optoelectronic assembly including an optically active region configured for emitting and/or absorbing light, and an optically inactive region configured for component-external contacting of the optically active region is provided. The optically inactive region includes a dielectric structure and a first electrode on or above a substrate, an organic functional layer structure on the first electrode in physical contact with the first electrode and the dielectric structure, and a second electrode in physical contact with the organic functional layer structure and above the dielectric structure, wherein the organic functional layer structure at least partly overlaps the dielectric structure in such a way that the part of the second electrode above the dielectric structure is free of a physical contact of the second electrode with the dielectric structure.

The present invention provides a light-transmitting electrode which has high electrical conductivity and high electron blocking performance. The present invention also provides a solar cell which is capable of achieving high energy conversion efficiency at low cost. The present invention provides a method for producing a light-transmitting electrode that has a light-transmitting substrate, a carbon nanotube film which is formed directly or indirectly on the light-transmitting substrate, and a metal oxide film which is formed directly on the carbon nanotube film. This production method includes vapor depositing the metal oxide film, which contains oxygen and a metal element belonging to the group 4, 5 or 6 of the periodic table, on one surface or both surfaces of the carbon nanotube film. The present invention provides a light-transmitting electrode which includes a light-transmitting substrate and a conductive carbon nanotube film that is formed directly or indirectly on the light-transmitting substrate.

Systems and methods for transparent organic photovoltaic devices are provided. In one embodiment, an organic semiconductor device comprises: a first glass sheet comprising a first ultra-thin flexible glass material; at least one transparent organic photovoltaic cell bound to the first glass sheet; and a second glass sheet applied to the at least one organic photovoltaic cell, wherein the at least one transparent organic photovoltaic cell is positioned between the first glass sheet and the second glass sheet.

A color filter is disposed on a substrate. An organic photodiode is disposed on the color filter. The organic photodiode includes an electrode insulating layer having a recess region on the substrate, a first electrode on the color filter, the first electrode filling the recess region of the electrode insulating layer, a second electrode on the first electrode, and an organic photoelectric conversion layer interposed between the first electrode and the second electrode. The first electrode includes a seam extending at a first angle from a side surface of the recess region of the electrode insulating layer.