The present invention relates to an Organic Semiconducting Compound and organic photoelectric components using the same. The innovative chemical structure of the Organic Semiconducting Compound allows improved infrared light range response values and renders it suitable for uses in the organic photoelectric components, such as OPD, OFET, or OPV due to its broadened absorbance wavelength range and improved external quantum efficiency.

The present disclosure relates to a device that includes a first layer that includes at least one of a semiconducting material, a hole transport material (HTM), and/or an electron transport material (ETM), a second layer, and a third layer that includes a material that is at least one of transparent or conductive, where the second layer is positioned between the first layer and the third layer, the first layer, the second layer, and the third layer are in electrical contact with each other, and the third layer has a first thickness between greater than zero nm and about 100 nm. In some embodiments of the present disclosure, the semiconducting material may include a perovskite.

A light-receiving device in which an increase in driving voltage is inhibited is provided. Any of the following light-receiving devices is provided: a light-receiving device that includes a light-receiving layer between a pair of electrodes and in which the light-receiving layer includes an active layer, a buffer layer, and an electron-transport layer, the buffer layer is between the active layer and the electron-transport layer and is in contact with the active layer, and the buffer layer includes an organic compound having an electron-withdrawing group; a light-receiving device that includes a light-receiving layer between a pair of electrodes and in which the light-receiving layer includes an active layer, a buffer layer, and an electron-transport layer, the buffer layer is between the active layer and the electron-transport layer and is in contact with the active layer, and the buffer layer includes a heteroaromatic compound having an electron-withdrawing group.

The present disclosure relates to a composition that includes a first layer having a first molecule that includes a metal and a halogen, a second layer that includes the first molecule, and a third layer that includes a chiral molecule, where the third layer is positioned between the first layer and the second layer, and the first layer, the second layer, and the third layer form a crystalline structure.

An energy harvesting system for generating electrical energy, includes a first substrate, a perovskite layer formed on the first substrate, a charge transport layer disposed on the perovskite layer, and the charge transport layer being configured to slide over the perovskite layer, and a second substrate formed on the charge transport layer.

Disclosed are an organic compound represented by Chemical Formula 1, and a sensor, a sensor-embedded display panel, and an electronic device including the organic compound.

##STR00001##

In Chemical Formula 1, D, A.sup.1, A.sup.2, R.sup.1, and R.sup.2 are each the same as in the specification.

A photoelectric conversion element module (1) includes a plurality of photoelectric conversion elements (15) formed on a light-transmitting base plate (3). The photoelectric conversion elements (15) each include a transparent conductive film (4), a first charge transport layer (5), a power-generating layer (6), and a second charge transport layer (7) stacked in order from a side corresponding to the light-transmitting base plate (3). The second charge transport layer (7) is formed of a porous film that contains a carbon material. Among two of the photoelectric conversion elements (15) that are adjacent to each other, the second charge transport layer (7) of one photoelectric conversion element and the transparent conductive film (4) of the other photoelectric conversion element are electrically connected via a first conductive adhesive layer (9), a current-collecting electrode (11), and a second conductive adhesive layer (14).

A compound that may be applied to a sensor to improve electrical properties thereof is represented by Chemical Formula 1:

##STR00001##

In Chemical Formula 1, each substituent is the same as defined in the detailed description.

In accordance with a method of forming a halide perovskite thin film, a first halide perovskite material is chosen from which a halide perovskite thin film is to be formed. An epitaxial substrate formed from a second halide perovskite material is also chosen. The halide perovskite thin film is epitaxially formed on the substrate from the first halide perovskite material. The substrate is chosen such that the halide perovskite thin film formed on the substrate has a selected value of at least one property. The property is selected from the group including crystal structure stability, charge carrier mobility and band gap.

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.