Photoelectric conversion device, imaging apparatus, and solar cell
A photoelectric conversion device includes: a photoelectric conversion layer which includes a thioindigo derivative.
1. A photoelectric conversion device comprising a photoelectric conversion layer,
wherein,
the photoelectric conversion layer includes a thioindigo derivative with an ionization potential of −6.0 eV or less.
2. The photoelectric conversion device according to claim 1 wherein the thioindigo derivative contains at least one or more electron withdrawing groups.
3. The photoelectric conversion device according to claim 1 described above, wherein the thioindigo derivative has the following structure (1):
and
where R 4 to R 7 and R 4 ′ to R 7 ′ each represent a hydrogen, a halogen such or a methyl group.
4. The photoelectric conversion device according to claim 3 , wherein at least one or more of R 4 to R 7 and R 4 ′ to R 7 ′ is an electron withdrawing group.
5. An imaging apparatus comprising:
a light concentrating optical section configured to concentrate incident light;
a solid state imaging device configured to receive light from the light concentrating optical section and carry out photoelectric conversion comprising (a) a plurality of pixels each pixel having a photoelectric conversion section, (b) a photoelectric conversion layer above the photoelectric conversion sections and (c) an organic color filter above the photoelectric conversion sections; and
a signal processing section configured to a photoelectrically converted signal,
wherein,
the photoelectric conversion section includes a thioindigo derivative ionization potential of −6.0 eV or less.
6. The imaging apparatus according to claim 5 wherein the thioindigo derivative includes at least one or more electron withdrawing groups.
7. A solar cell comprising:
a first electrode made of a light transparent conductive materiat;
a second electrode; and
a photoelectric conversion layer between the first electrode and the second electrode,
wherein,
the photoelectric conversion layer includes a thioindigo derivative ionization potential of −6.0 eV or less.
8. The solar cell according to claim 7 wherein the thioindigo derivative includes at least one or more electron withdrawing groups.