Abstract: To improve an SN ratio of a photoelectric conversion element. A photoelectric conversion element (10) includes an anode (12), a cathode (16), an active layer (14) provided between the anode and the cathode, and a hole transport layer (13) provided between the anode and the active layer. The active layer includes a p-type semiconductor material, which is a polymer compound having an absorption peak wavelength of 900 nm or higher, and an n-type semiconductor material, and an energy gap between an LUMO of the n-type semiconductor material contained in the active layer and a HOMO of a hole transport material contained in the hole transport layer is less than 0.9 eV.

Abstract: Provided is a novel semiconductor material. A compound represented by the following formula (I): A1-B1-A1 (I) (In the formula (I), A1 represents an electron-withdrawing group, B1 is a divalent group including two or more constituent units that are linked by a single bond to constitute a ?-conjugated system, at least one of the two or more constituent units is a first constituent unit represented by the following formula (II), and the remaining second constituent unit other than the first constituent unit is a divalent group including an unsaturated bond, an arylene group, or a heteroarylene group.) (In the formula (II), Ar1, Ar2, Y, and R are as defined in the specification.).

Abstract: Provided is a photodetector having a small dark current ratio. A photodetector includes a first electrode, a second electrode, and an active layer provided between the first electrode and the second electrode, the active layer contains a p-type semiconductor material and an n-type semiconductor material, the p-type semiconductor material contains a polymer having the highest occupied molecular orbital (HOMO) of ?5.45 eV or less, and the n-type semiconductor material contains a non-fullerene compound. It is preferable that the polymer contained in the p-type semiconductor material contains a constitutional unit DU having an electron donating property and a constitutional unit AU having an electron accepting property, and the non-fullerene compound contains a moiety DP having an electron donating property and a moiety AP having an electron accepting property.

Abstract: A photodetector element includes: an anode; a cathode; and an active layer provided between the anode and the cathode and containing a p-type semiconductor material and an n-type semiconductor material, and a value obtained by subtracting the absolute value of energy level of HOMO of the p-type semiconductor material from the absolute value of the energy level of HOMO of the n-type semiconductor material is 0.35 or less. Further, the difference between the HOMO of the n-type semiconductor material and the HOMO of the p-type semiconductor material is preferably 0 to 0.10 eV, and the p-type semiconductor material is preferably a polymer compound containing a constituent unit represented by the following Formula (I). Ar1 and Ar2 represent a trivalent aromatic heterocyclic group optionally having a substituent or a trivalent aromatic carbocyclic group optionally having a substituent, and Z represents a group represented by Formulae (Z-1) to (Z-7).

Abstract: To improve specific detectivity. A photodetector element 10 includes: an anode 12; a cathode 16; and an active layer 14 provided between the anode and the cathode and containing a p-type semiconductor material and an n-type semiconductor material, wherein a value (?EA+?EB) of a sum of a value (?EA) obtained by subtracting an absolute value of an energy level of HOMO of the p-type semiconductor material from an absolute value of an energy level of HOMO of the n-type semiconductor material and a value (?EB) obtained by subtracting an absolute value of an energy level of LUMO of the p-type semiconductor material from an absolute value of an energy level of LUMO of the n-type semiconductor material is in a range of more than 0 and less than 0.88.

Abstract: To improve an SN ratio of a photoelectric conversion element. A photoelectric conversion element (10) includes an anode (12), a cathode (16), an active layer (14) provided between the anode and the cathode, and a hole transport layer (13) provided between the anode and the active layer. The active layer includes a p-type semiconductor material, which is a polymer compound having an absorption peak wavelength of 900 nm or higher, and an n-type semiconductor material, and an energy gap between an LUMO of the n-type semiconductor material contained in the active layer and a HOMO of a hole transport material contained in the hole transport layer is less than 0.9 eV.

Abstract: An object is to provide a polymer compound capable of producing an organic photoelectric conversion element having a large value of fill factor and the organic photoelectric conversion element. The present invention provides a polymer compound having a structural unit represented by the formula (I) and a structural unit represented by the formula (II). Further provided is an organic photoelectric conversion element having a first electrode, a second electrode, and an active layer disposed between the first electrode and the second electrode, wherein the active layer comprises the polymer compound.

Abstract: A PTP constructed so that when the PTP is divided into a section having one or a plurality of pocket portions, a person can discriminate between the top, bottom, right and left sides of this section in the planar direction and a visually handicapped person can correctly identify the direction of medicament identifying means provided on the section. The PTP includes a flexible sheet having a pocket portion containing a tablet T, and a metal foil adhered to the flexible sheet to hermetically seal the pocket portion containing the tablet T, and the PTP is dividable into sections including a plurality of pocket portions by a dividing line. An unevenness serving as medicament identifying means is provided on a top surface of a pocket portion, and arcs are respectively formed on the dividing line on the sides so that the shapes of all the divided sections become the same.

Abstract: A PTP constructed so that when the PTP is divided into a section having one or a plurality of pocket portions, a person can discriminate between the top, bottom, right and left sides of this section in the planar direction and a visually handicapped person can correctly identify the direction of medicament identifying means provided on the section. The PTP includes a flexible sheet having a pocket portion containing a tablet T, and a metal foil adhered to the flexible sheet to hermetically seal the pocket portion containing the tablet T, and the PTP is dividable into sections including a plurality of pocket portions by a dividing line. An unevenness serving as medicament identifying means is provided on a top surface of a pocket portion, and arcs are respectively formed on the dividing line on the sides so that the shapes of all the divided sections become the same.