Provided herein are dyes, dye-sensitized solar cells, and sequential series multijunction dye-sensitized solar cell devices. The dyes include an electron deficient acceptor moiety, a medium electron density ?-bridge moiety, and an electron rich donor moiety comprising a biaryl, a substituted biaryl, or an R1, R2, R3 substituted phenyl where each of R1, R2, and R3 independently comprises H, aryl, multiaryl, alkyl substituted aryl, alkoxy substituted aryl, alkyl substituted multiaryl, alkoxy substituted multiaryl, OR4, N(R5)2, or a combination thereof; each R4 independently comprises H, alkyl, aryl, alkyl substituted aryl, alkoxy substituted aryl, or a combination thereof; and each R5 independently comprises aryl, multiaryl, alkyl substituted aryl, alkoxy substituted aryl, alkyl substituted multiaryl, alkoxy substituted multiaryl, or a combination thereof. The solar cells include a glass substrate, a dye-sensitized active layer, and a redox shuttle. The devices include at least two dye-sensitized solar cells connected in series. ##STR00001##

A method for manufacturing a photovoltaic device. The method comprises fabricating a first photovoltaic device portion with a first photoactive layer having a first face comprising a first perovskite precursor material; fabricating a second photovoltaic device portion with a second photoactive layer having a second face comprising a second perovskite material or a second perovskite precursor material; arranging the first photovoltaic device portion and the second photovoltaic device portion such that the first face is in contact with the second face; and compressing the first photovoltaic device portion and the second photovoltaic device portion at a pressure sufficient to fuse the first perovskite precursor material to the second perovskite material or the second perovskite precursor material.

A dye loaded zeolite composite material comprises a plurality of zeolite crystals each having a plurality of straight through uniform channels extending between the proximal face and the distal face and having a channel axis parallel to and a channel width transverse to a longitudinal crystal axis A. Each channel contains a substantially linear arrangement of dye molecules comprising first and second dye molecules having an elongated shape with a longitudinal extension exceeding said channel width and a lateral extension not exceeding said channel width. Each dye molecule consists of a chromophore moiety arranged between a pair of terminal moieties, wherein: the chromophore moieties of the first and second dye molecules are substantially identical, the terminal moieties of the first dye molecules have a lateral extension larger than half of the channel width, the terminal moieties of the second dye molecules have a lateral extension smaller than half of the channel width, the linear arrangement of dye molecules comprises at least one pair of second dye molecules adjacent each other.

The present specification relates to an organic-inorganic hybrid solar cell including a first electrode, a first light absorbing layer provided on the first electrode, a second light absorbing layer provided on the first light absorbing layer, and a second electrode provided on the second light absorbing layer, in which the first light absorbing layer and the second light absorbing layer have different phase transition temperatures.

The present invention disclosed a squaraine dye of formula (I) and process for the preparation thereof. Further, the present invention disclosed to an electronic device comprising dye of formula (I).

The present disclosure relates to a device that includes an active layer and a first charge transport layer, where the first charge transport layer includes a first layer and a second layer, the first layer is in contact with the second layer, the second layer is positioned between the first layer and the active layer, the first layer comprises a first carbon nanostructure, and the second layer includes a second carbon nanostructure.

A method for manufacturing an organic-inorganic hybrid solar cell, the method including forming a first electrode, forming a first common layer on the first electrode, forming a first light absorbing layer by applying a first perovskite precursor solution including a first organic halide and a first metal halide on the first common layer, forming a second light absorbing layer by applying a second perovskite precursor solution including a second organic halide on the first light absorbing layer, forming a second common layer on the second light absorbing layer; and forming a second electrode on the second common layer.

The present disclosure relates to a perovskite that includes A.sub.1-xA.sub.xBX.sub.3, where A is a first cation, A is a second cation, B is a third cation, X is a first anion, and 0<1x1. In some embodiments of the present disclosure, the perovskite may further include a second anion (X) such that the perovskite includes A.sub.1-xA.sub.xB(X.sub.1-zX.sub.z).sub.3, where 0<z1. In some embodiments of the present disclosure, the perovskite may further include a fourth cation (A*) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB(X.sub.1-zX.sub.z).sub.3, where 0<y1. In some embodiments of the present disclosure, the perovskite may further include a fifth cation (B) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB.sub.1-aB.sub.a(X.sub.1-zX.sub.z).sub.3, where 0<a1.

Provided herein are dyes, dye-sensitized solar cells, and sequential series multijunction dye-sensitized solar cell devices. The dyes include an electron deficient acceptor moiety, a medium electron density ?-bridge moiety, and an electron rich donor moiety comprising a biaryl, a substituted biaryl, or an R1, R2, R3 substituted phenyl where each of R1, R2, and R3 independently comprises H, aryl, multiaryl, alkyl substituted aryl, alkoxy substituted aryl, alkyl substituted multiaryl, alkoxy substituted multiaryl, OR4, N(R5)2, or a combination thereof; each R4 independently comprises H, alkyl, aryl, alkyl substituted aryl, alkoxy substituted aryl, or a combination thereof; and each R5 independently comprises aryl, multiaryl, alkyl substituted aryl, alkoxy substituted aryl, alkyl substituted multiaryl, alkoxy substituted multiaryl, or a combination thereof. The solar cells include a glass substrate, a dye-sensitized active layer, and a redox shuttle. The devices include at least two dye-sensitized solar cells connected in series.

The present disclosure relates to a perovskite that includes A.sub.1-xA.sub.xBX.sub.3, where A is a first cation, A is a second cation, B is a third cation, X is a first anion, and 0<x1. In some embodiments of the present disclosure, the perovskite may further include a second anion (X) such that the perovskite includes A.sub.1-xA.sub.xB(X.sub.1-zX.sub.z).sub.3, where 0<z1. In some embodiments of the present disclosure, the perovskite may further include a fourth cation (A*) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB(X.sub.1-zX.sub.z).sub.3, where 0<y1. In some embodiments of the present disclosure, the perovskite may further include a fifth cation (B) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB.sub.1-aB.sub.a(X.sub.1-zX.sub.z).sub.3, where 0<a1.