A solar cell according to the present disclosure includes a first electrode, a second electrode, a photoelectric conversion layer disposed between the first electrode and the second electrode, and an electron transport layer disposed between the first electrode and the photoelectric conversion layer. At least one electrode selected from the group consisting of the first electrode and the second electrode has a light-transmitting property. The photoelectric conversion layer contains a perovskite compound composed of a monovalent cation, a divalent cation, and a halogen anion. The electron transport layer contains a metal oxynitride having electron conductivity. The metal oxynitride has an electrical conductivity of greater than or equal to 1×10.sup.−7 S/cm.

Disclosed are a solar cell including an upper cell includes an upper passivation layer disposed on an upper surface of a functional layer, a transparent electrode disposed on an upper surface of the upper passivation layer, an upper first charge transport layer disposed on an upper surface of the transparent electrode, an upper electrode disposed on the upper first of the transparent electrode to be adjacent to the upper surface charge transport layer, an upper second charge transport layer disposed on the upper surface of the functional layer to be spaced apart from the upper passivation layer, the transparent electrode, the upper first charge transport layer, and the upper electrode, and an upper absorption layer disposed on the upper passivation layer, the transparent electrode, the upper first charge transport layer, and the upper second charge transport layer.

An organic photoelectronic device includes a first electrode and a second electrode facing each other and a light-absorption layer between the first electrode and the second electrode and including a photoelectric conversion region including a p-type light-absorbing material and an n-type light-absorbing material and a doped region including an exciton quencher and at least one of the p-type light-absorbing material and the n-type light-absorbing material, wherein at least one of the p-type light-absorbing material and the n-type light-absorbing material selectively absorbs a part of visible light, and an image sensor includes the same.

A photo detecting device, includes a plurality of photodiodes arranged above a substrate, a lower electrode and a first inorganic insulating film that are provided between the substrate and the photodiodes in a direction orthogonal to a surface of the substrate, and an upper electrode provided above the photodiodes. Each of the photodiodes comprises an active layer, a first carrier transport layer provided between the active layer and the lower electrode, and a second carrier transport layer provided between the active layer and the upper electrode, the first inorganic insulating film is provided between the lower electrode and the first carrier transport layer, and the first inorganic insulating film covers at least an end on an outer edge side of the lower electrode.

Articles are described including a substrate and a copper halide layer on the substrate, where the interfacial free energy between the substrate and the copper halide layer allows the copper halide layer to form continuously, wherein the copper halide layer conforms to the shape of the substrate. The articles may further include an adhesion layer disposed in-between the substrate and the copper halide layer, where the surface free energy between the adhesion layer and the copper halide layer allows the copper halide layer to form continuously, wherein the copper halide layer or the adhesion layer conform to the shape of the substrate. Also described are methods of forming an article using chemical vapor deposition.

The technology of this application relates to a cell assembly and a method for preparing a cell assembly. The cell assembly includes a first subcell, a second subcell adjacent to the first subcell, and a bottom electrode. Both the first subcell and the second subcell include a P-type layer and an N-type layer, and a light-harvesting layer located between the P-type layer and the N-type layer. The P-type layer of the first subcell is connected to the N-type layer of the second subcell by using the bottom electrode. A connection manner between subcells is provided. Compared with a current manner in which P1, P2, and P3 gaps are formed between subcells through cutting to implement interconnection, geometrical optical loss brought by interconnection between the subcells can be reduced.

A photovoltaic device (10) is provided that comprises serially arranged photovoltaic device cells (10A, 10B). Each cell having a transparent electrode layer region electrical conductors (121A, . . . , 124A) forming an electric contact with the transparent electrode layer region, a photo-voltaic stack portion (14A, 14B) that extends over the transparent electrode region (11A, 11B) and over an insulated portion of the electrical conductors, a further electrode region (15A, 5B) that extends over the photovoltaic stack portion (14A,14B). A further electrode region (15A) of a photovoltaic device cell (10A) extends over electric contacts formed by exposed ends (12B1) of the electrical conductors of a subsequent photovoltaic device cell (10B).

The present application relates to a photoactive composition comprising a blend of polymers. The present application further relates to an organic photovoltaic cell or an organic photodetector comprising a photoactive layer consisting of said photoactive composition.

A method of combining different materials to produce the polymer

##STR00001##

In this polymer X.sub.1, X.sub.2, X.sub.3, and X.sub.4 are independently selected from the group consisting of: F, Cl, H, and combinations thereof. Additionally, in this polymer R.sub.15, R.sub.16, R.sub.17, and R.sub.18 are independently selected from the group consisting of: F, Cl, H, and combinations thereof. Finally, in this polymer R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are independently selected from unsubstituted branched alkyls with 1 to 60 carbon atoms unsubstituted or substituted branched alkyls with 1 to 60 carbon atoms and unsubstituted or substituted linear alkyls with 1 to 60 carbon atoms.

Solar cell interconnect with bypass diodes are described. In an embodiment, a semiconductor-based bypass layer is formed over a top electrode layer of a solar cell and spans over a vertical interconnect providing vertical interconnection between the bottom electrode layer and top electrode layer of serial solar cells. A bypass electrode layer is formed over the semiconductor-based bypass layer and in contact with the top electrode layer for one of the solar cells.