Sony Corporation

Sony Group Corporation

Ryoji Arai

Toshiki Moriwaki

Yukio Kaneda

Masaki Murata

Toru Udaka

Osamu Enoki

Rui Morimoto

Provided is a photoelectric conversion element includes two electrodes forming a positive electrode and a negative electrode, at least one charge blocking layer arranged between the two electrodes, and a photoelectric conversion layer arranged between the two electrodes. The at least one charge blocking layer is an electron blocking layer or a hole blocking layer, and a potential of the charge blocking layer is bent.

Photoelectric conversion element, measuring method of the same, solid-state imaging device, electronic device, and solar cell

The present technology relates to a photoelectric conversion element, a measuring method of the same, a solid-state imaging device, an electronic device, and a solar cell capable of further improving a quantum efficiency in a photoelectric conversion element using a photoelectric conversion layer including an organic semiconductor material. The photoelectric conversion element includes two electrodes forming a positive electrode () and a negative electrode (), at least one charge blocking layer () arranged between the two electrodes, and a photoelectric conversion layer () arranged between the two electrodes. The at least one charge blocking layer is an electron blocking layer () or a hole blocking layer (), and a potential of the charge blocking layer is bent. The present technology is applied to, for example, a solid-state imaging device, a solar cell, and the like having a photoelectric conversion element.

A photoelectric conversion device includes an organic photoelectric conversion film; a first electrode and a second electrode provided with the organic photoelectric conversion film in between; and a charge block layer provided between the second electrode and the organic photoelectric conversion film, in which the charge block layer includes a work function adjustment layer including a metal element on the second electrode side of the organic photoelectric conversion film, the metal element being adopted to adjust a work function, and a first diffusion suppression layer provided between the work function adjustment layer and the second electrode and suppressing diffusion of the metal element to the second electrode side.

Photoelectric conversion device, solid-state image pickup unit, and electronic apparatuses having work function adjustment layers and diffusion suppression layers

Growing community of inventors

Kanagawa, Japan

Ryoji Arai