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. In the perovskite solar cell according to the present application, by passivating the perovskite layer therein with an organic amine salt of a biphenyl compound or acene compound, the VBM of the perovskite layer is improved, facilitating the extraction of holes, and the transport efficiency of carriers is improved, so that the efficiency and stability of the perovskite solar cell can be greatly improved.

A multilayer junction photoelectric converter and a multilayer junction photoelectric converter manufacturing method capable of preventing water from contacting a perovskite layer are provided.

A multilayer junction photoelectric converter of an embodiment includes a multilayered-structure. In the multilayered-structure, a first electrode functional layer, a first photoactive layer, an intermediate functional layer, a second photoactive layer, and a second electrode functional layer are multilayered. The first photoactive layer is made of crystalline silicon. The second photoactive layer is made of a photoactive material having a perovskite crystal structure. A partial layer included in the second electrode functional layer is included in the multilayered-structure and extends on an edge surface of the multilayered-structure to cover an end portion of the second photoactive layer at the edge surface.

The present disclosure provides a nitrogen-containing compound, an electronic element, and an electronic device, and belongs to the technical field of organic materials. In the nitrogen-containing compound, 1-adamantyl and a cyano group are connected on a nitrogen-containing heteroaryl core structure by a linking group, so that the molecule has a high dipole moment as a whole, organic materials with a high electron mobility can be obtained, and the electron transport properties of the electronic element can be improved, and when the nitrogen-containing compound is used as an electron transport layer of an organic electroluminescent device, the luminous efficiency and service life of the device can be improved, and the operating voltage can be reduced.

The present disclosure provides a nitrogen-containing compound, an electronic element, and an electronic device, and belongs to the technical field of organic materials. In the nitrogen-containing compound, 1-adamantyl and a cyano group are connected on a nitrogen-containing heteroaryl core structure by a linking group, so that the molecule has a high dipole moment as a whole, organic materials with a high electron mobility can be obtained, and the electron transport properties of the electronic element can be improved, and when the nitrogen-containing compound is used as an electron transport layer of an organic electroluminescent device, the luminous efficiency and service life of the device can be improved, and the operating voltage can be reduced.

A perovskite solar cell includes following components provided successively from bottom to top: a transparent conductive glass substrate, a first transport layer, a perovskite layer, a second transport layer, a conductive electrode, and a back plate glass. The perovskite solar cell further includes an encapsulating adhesive. The transparent conductive glass substrate, the back plate glass, and the encapsulating adhesive form an enclosed space. The enclosed space contains a mixture of an inert gas and a methylamine gas, where a volume ratio of the inert gas to the methylamine gas is in a range from 9:1 to 5:5.

A perovskite solar cell includes following components provided successively from bottom to top: a transparent conductive glass substrate, a first transport layer, a perovskite layer, a second transport layer, a conductive electrode, and a back plate glass. The perovskite solar cell further includes an encapsulating adhesive. The transparent conductive glass substrate, the back plate glass, and the encapsulating adhesive form an enclosed space. The enclosed space contains a mixture of an inert gas and a methylamine gas, where a volume ratio of the inert gas to the methylamine gas is in a range from 9:1 to 5:5.

An imaging device includes a photoelectric conversion element that includes a first electrode, a second electrode facing the first electrode, and a photoelectric conversion layer located between the first electrode and the second electrode; and a charge detection circuit that reads a charge generated in the photoelectric conversion element. The photoelectric conversion layer is a bulk heterojunction layer that contains a phthalocyanine derivative or a naphthalocyanine derivative and a fullerene polymer. In the fullerene polymer, a fullerene or a fullerene derivative is crosslinked by a crosslinking structure represented by general formula (1) below. In general formula (1), X is a bifunctional functional group.

NCH.sub.2XCH.sub.2N  (1)

Novel Schiff base and diazo liquid crystals with a selenium center forming nanostructured Cub.sub.bi phases are presented herein. The new liquid crystals can be used for the fabrication of high-performance photovoltaic devices, while exhibiting improved thermal stability and electron-transport properties as compared to currently known liquid crystals.

Novel Schiff base and diazo liquid crystals with a selenium center forming nanostructured Cub.sub.bi phases are presented herein. The new liquid crystals can be used for the fabrication of high-performance photovoltaic devices, while exhibiting improved thermal stability and electron-transport properties as compared to currently known liquid crystals.

This application provides a perovskite solar cell structurally including a transparent electrode, an electron transport layer, a perovskite layer, a hole transport layer and a second electrode in sequence, where the perovskite layer may include a main perovskite layer and a one-dimensional perovskite coating layer covering surface and periphery of the main perovskite layer, where the one-dimensional perovskite coating layer may include: a first overlay layer disposed between the main perovskite layer and the electron transport layer; and a second overlay layer disposed between the main perovskite layer and the hole transport layer.