发明授权
US09412952B2 Photoelectric conversion element and method of using the same, image sensor, and optical sensor 有权
光电转换元件及其使用方法,图像传感器和光学传感器

Photoelectric conversion element and method of using the same, image sensor, and optical sensor
摘要:
A photoelectric conversion element includes a transparent conductive film, a conductive film, and a photoelectric conversion layer and an electron-blocking layer disposed between the transparent conductive film and the conductive film. The photoelectric conversion layer includes a condensed polycyclic hydrocarbon which contains at least 5 benzene rings, of which a total number of rings is 7 or more and which contains no carbonyl group. The electron-blocking layer includes a compound A having a residue after removal of at least one group of Ra1 to Ra9 from a compound represented by general formula (A) and having a glass transition point (Tg) of 200° C. or more. The photoelectric conversion element exhibits high photoelectric conversion efficiency and low dark current characteristics even after heating treatment, and can be manufactured with high productivity.
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