MATERIAL FOR ORGANIC PHOTOELECTRIC CONVERSION ELEMENT, ORGANIC PHOTOELECTRIC CONVERSION ELEMENT, AND ORGANIC IMAGING DEVICES USING THE SAME

• Main Authors: HASHIMOTO YUTA, YAKUSHIJI HIDENORI, SADAMITSU YUICHI
• Format: Patent
• Language: English; Japanese
• Published: 01.07.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

To provide a material for an organic photoelectric conversion element that selectively absorbs green light with a maximum absorption wavelength of 500 to 600 nm and has excellent heat resistance to process temperature when used in a photoelectric conversion unit, and an organic photoelectric conversion element that includes the material for the organic photoelectric conversion element and is driven by showing a clear light-dark ratio without causing destruction of the element even when a high voltage is applied.SOLUTION: There is provided a material for an organic photoelectric conversion element containing an organic compound represented by the following formula (1). (R1 to R8 in the formula (1) independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aromatic group, respectively. However, a case in which all R1 to R8 are hydrogen atoms is except).SELECTED DRAWING: Figure 1 【課題】光電変換部に用いることにより極大吸収波長が５００乃至６００ｎｍの緑色光を選択的に吸収し、プロセス温度に対する耐熱性にも優れる有機光電変換素子用材料、及び該有機光電変換素子用材料を含み、高い電圧を印加しても素子の破壊を伴うことなしに明確な明暗比を示して駆動する有機光電変換素子を提供すること。【解決手段】下記式（１）で表される有機化合物を含む有機光電変換素子用材料。（式（１）中のＲ１乃至Ｒ８はそれぞれ独立に、水素原子、置換若しくは無置換のアルキル基、又は置換若しくは無置換の芳香族基を表す。ただし、Ｒ１乃至Ｒ８のすべてが水素原子の場合を除く。）【選択図】図１