Abstract: A solar cell includes: a first electrode layer, an active layer, and a second electrode layer that are sequentially stacked, and a semi-encapsulation layer, where the semi-encapsulation layer includes a planar portion located between the active layer and the second electrode layer and an encapsulating portion at least partially located on at least one side surface of the active layer. The planar portion of the semi-encapsulation layer located between the active layer and the second electrode layer can suppress the migration of active ions in the active layer to the second electrode layer, and the encapsulating portion of the semi-encapsulation layer at least partially located on at least one side surface of the active layer can block external water and oxygen, and reduce the degradation of the active layer under the action of water and oxygen.

Abstract: This application relates to a solar cell and a preparation method therefor. The solar cell includes a plurality of subcells and a plurality of grid lines. The subcells are sequentially arranged in series in a first direction, each including a substrate and a first electrode that are stacked. The plurality of subcells include two first subcells and at least one second subcell located between the two first subcells. The first direction is perpendicular to a thickness direction of the solar cell. The plurality of grid lines are disposed on the first electrodes in a one-to-one correspondence mode. An area of orthographic projections of the grid lines on the first subcells corresponding thereto is greater than an area of an orthographic projection of the grid line on the second subcell corresponding thereto. The solar cell can improve a current-limiting phenomenon, thereby improving the conversion efficiency of the solar cell.

Abstract: A laminated solar cell includes, in order along an incident direction of sunlight, a first sub-cell, a tunneling structure, and a second sub-cell. The first sub-cell includes a first carrier transport layer, a first light absorption layer, and a second carrier transport layer arranged sequentially along the incident direction. The second sub-cell includes a third carrier transport layer, a second light absorption layer, and a fourth carrier transport layer arranged in the same direction. The tunneling structure, disposed between the first and second sub-cells, includes a main body material layer and an auxiliary material layer. The main body material layer includes a metal-doped metallic oxide and is located between the second carrier transport layer and the auxiliary material layer. The auxiliary material layer, comprising an N-type or P-type semiconductor material, is positioned between the main body material layer and the third carrier transport layer.

Abstract: A perovskite solar cell includes a perovskite light absorption layer. The perovskite light absorption layer includes a perovskite material and a complexing agent. The complexing agent includes one or more of a hydroxycarboxylic acid-based complexing agent, an organic phosphonic acid-based complexing agent, a polyacrylic acid-based complexing agent, and a polybutenoic acid-based complexing agent.

Abstract: A perovskite solar cell and a photovoltaic module are provided. The perovskite solar cell includes a first electrode, a second electrode, a light absorbing layer, a hole transport layer, and an electron transport layer. The light absorbing layer is disposed between the first and second electrodes. The hole transport layer is positioned between the first electrode and the light absorbing layer, and the electron transport layer is positioned between the second electrode and the light absorbing layer. The solar cell further comprises a passivation layer disposed between the hole transport layer and the light absorbing layer and/or between the electron transport layer and the light absorbing layer. The passivation layer comprises at least two materials selected from an organic molecular passivation material, a metal oxide semiconductor material, and a metal halide. The passivation layer enhances device stability and photoelectric conversion efficiency.

Abstract: A light conversion layer includes a conversion material. The conversion material includes an up-conversion luminescent material and/or a down-conversion luminescent material. The light conversion layer is arranged on a light incident side of a light absorption layer of the solar cell. By introducing the light conversion layer including the up-conversion luminescent material and/or the down-conversion luminescent material into the solar cell, long-wavelength band (low energy) and/or short-wavelength band (high energy) photons can be absorbed and converted into wavebands that can be absorbed by the light absorption layer.

Abstract: The present application relates to the technical field of photovoltaics, and provides a perovskite cell, a photovoltaic module, a photovoltaic power generation system and an electrical device. The perovskite cell includes: a wide absorption spectrum perovskite layer located between a transparent substrate layer and an electrode layer, wherein the wide absorption spectrum perovskite layer includes a three-dimensional perovskite and a light-conversion material, at least part of the light-conversion material is distributed in the intergranular gaps of the three-dimensional perovskite, and the light-conversion material includes at least one of an up-conversion material and a down-conversion material. The present application can alleviate the technical problems of a low solar spectrum utilization rate and a low energy conversion efficiency of the existing perovskite cells.

Abstract: A solar cell, a solar cell module and an electrical device are disclosed. The solar cell includes a light absorption layer containing a plurality of perovskite compound grains. In at least one cross section of the light absorption layer perpendicular to a layer thickness direction, a number-based cumulative distribution rate of perovskite compound grains with a long diameter D of 1 ?m to 6 ?m is ?90%. The light absorption layer of the present application contains perovskite compound grains with a long grain diameter of 1 ?m to 6 ?m in at least one cross section perpendicular to the layer thickness direction, with the number-based cumulative distribution rate of the perovskite compound grains being ?90%.

Abstract: The present application discloses a drying machine and a cell processing apparatus. The drying machine is configured for drying and crystallizing a material. The drying machine includes a vacuum compartment, a crystallization compartment and a heating device. The vacuum compartment forms a first chamber configured to perform vacuum drying on the material. The crystallization compartment forms a second chamber. The first chamber and the second chamber each have an input end and an output end, and the output end of the first chamber is in communication with the input end of the second chamber, such that the first chamber is in communication with the second chamber to form a continuous material channel. The heating device is arranged in the crystallization compartment and configured for heating crystallization of the material in the second chamber.

Abstract: A functional material, a passivation film, a solar cell, a photovoltaic module, and a photovoltaic system are disclosed. The functional compound is represented by formula (1): where formula (2) represents a nitrogen-containing heteroaromatic group having 5 to 60 ring atoms or an aromatic amine group having 6 to 60 ring atoms, substituted by n2 R2 groups, and at least one nitrogen atom in formula (2) is bonded to n1 -LR1 groups; in each occurrence, L is independently selected from linear alkylene group having 1 to 10 carbon atoms; at least one of R1 and R2 is selected from —CHO, —C(O)R4, —C(O)NH2, —C(O)SH, —C(S)SH, —OH, or —SH; R4 is selected from any one of substituted or unsubstituted alkyl group having 1 to 10 carbon atoms; and n1 is an integer ?1, and n2 is an integer ?1.

Abstract: Provided is a perovskite precursor solution, a perovskite thin film, a perovskite cell, and an electrical device. The perovskite precursor solution comprises a perovskite precursor material, a solvent, and an additive; the additive contains, in its structure, a weakly reducing group which has reducibility on a 0 valence corresponding to a monovalent anion in the perovskite-type metal halide in the solution and is inert to a divalent cation in the perovskite-type metal halide; and the additive is a hydrogen halide salt.

Abstract: A perovskite solar cell, a preparation method therefor and a power consuming device are provided. In some embodiments, the perovskite solar cell of the present application has, in order, a back electrode, a hole transport layer, an interface passivation layer, a perovskite layer, an interface passivation layer, an electron transport layer, and conductive glass, wherein the HOMO energy level of an interface between the perovskite layer and the interface passivation layer is 0.01-0.4 eV, and the energy band gap between the HOMO energy level and the LUMO energy level is 0.01-0.4 eV; and the interface passivation layer contains: an organic amine salt of a biphenyl compound and/or an organic amine salt of an acene compound.

Abstract: A perovskite solar cell includes a first electrode, a first charge transport layer, a perovskite absorption layer, a second charge transport layer, and a second electrode. The first charge transport layer is arranged on a side of the first electrode; the perovskite absorption layer is arranged on a side of the first charge transport layer away from the first electrode; the second charge transport layer is arranged on a side of the perovskite absorption layer away from the first charge transport layer; and the second electrode is arranged on a side of the second charge transport layer away from the perovskite absorption layer. where the perovskite absorption layer, the second charge transport layer, and the second electrode meet the following relations: d=k?/2n1 and n12=an2×n0.

Abstract: Related are a fullerene composite material and a preparation method therefor, a perovskite solar cell and a preparation method therefor, and an electrical device. The fullerene composite material includes a host material and a doping material, where the host material includes at least one of a first fullerene and a first fullerene derivative, the doping material is selected from at least one of a second fullerene and a second fullerene derivative, and a molecular structure of the doping material is partially embedded in a lattice of the first fullerene and/or the first fullerene derivative.

Abstract: The present disclosure provides a perovskite solar cell comprising at least an electrode, an electron transport layer, a hole transport layer, a perovskite layer and a passivation layer. In the perovskite solar cell, the passivation layer may contain a passivator, the passivatormay comprise an aza fused bicyclic compound and/or an organic salt formed from the aza fused bicyclic compound and an acid, each fused ring in the aza fused bicyclic compound may be independently a five-membered or six-membered saturated ring, unsaturated ring or aromatic ring, the fused ring of the aza fused bicyclic compound may contain 1-5 nitrogen atoms, and the fused ring may be an unsubstituted ring or a ring substituted with one or two substituents having 1-3 carbon atoms.

Abstract: A perovskite solar cell, a preparation method of the perovskite solar cell, and an electric device. The perovskite solar cell includes a perovskite light absorbing layer, an electron transport layer, and a resistance reduction layer. The resistance reduction layer is located between the perovskite light absorbing layer and the electron transport layer.

Abstract: A perovskite solar cell, a preparation method therefor and a power consuming device are provided. In some embodiments, the perovskite solar cell of the present application has, in order, a back electrode, a hole transport layer, an interface passivation layer, a perovskite layer, an interface passivation layer, an electron transport layer, and conductive glass, wherein the HOMO energy level of an interface between the perovskite layer and the interface passivation layer is 0.01-0.4 eV, and the energy band gap between the HOMO energy level and the LUMO energy level is 0.01-0.4 eV; and the interface passivation layer contains: an organic amine salt of a biphenyl compound and/or an organic amine salt of an acene compound.

Abstract: Provided are a perovskite betavoltaic-photovoltaic battery. The battery includes a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence. The first electrode is a transparent electrode. The first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or, the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer. The perovskite layer is doped with a fluorescent substance. At least one of the first electrode, the first charge transport layer, the second charge transport layer, or the second electrode is radioactive. When the first electrode and/or the second electrode is radioactive, the first electrode and/or the second electrode is an irradiated electrode formed by compounding a radioactive source and a conductor material.

Abstract: The present disclosure provides a perovskite solar cell comprising at least an electrode, an electron transport layer, a hole transport layer, a perovskite layer and a passivation layer. In the perovskite solar cell, the passivation layer may contain a passivator, the passivatormay comprise an aza fused bicyclic compound and/or an organic salt formed from the aza fused bicyclic compound and an acid, each fused ring in the aza fused bicyclic compound may be independently a five-membered or six-membered saturated ring, unsaturated ring or aromatic ring, the fused ring of the aza fused bicyclic compound may contain 1-5 nitrogen atoms, and the fused ring may be an unsubstituted ring or a ring substituted with one or two substituents having 1-3 carbon atoms.

Abstract: A polymer comprises repeating units represented by formula (I): -M-R-Y- formula (I), wherein in the formula (I), M is selected from substituted or unsubstituted anilino, substituted or unsubstituted carbazolyl, substituted or unsubstituted acridinyl, substituted or unsubstituted phenothiazinyl or substituted or unsubstituted phenoxazinyl; R is selected from substituted or unsubstituted C1-C10 alkyl; and Y is selected from carboxyl or a salt thereof, a phosphoric acid group or a salt thereof, or a sulfonic acid group or a salt thereof.