Hybrid particle, photoelectric conversion element, photosensitive body, and image forming apparatus
A hybrid particle according to the present invention includes an inorganic core particle, an electron transport layer covering a surface of the inorganic core particle, and a light absorption layer covering the electron transport layer. The light absorption layer contains a compound having an organic-inorganic hybrid perovskite crystal structure or a metal complex. The compound or the metal complex is grown in a crystalline form on a surface of the electron transport layer.
1. A hybrid particle comprising:
an inorganic core particle;
an electron transport layer covering a surface of the inorganic core particle; and
a light absorption layer covering the electron transport layer, wherein:
the inorganic core particle includes a titanium oxide particle;
the electron transport layer includes a titanium nitride layer;
the light absorption layer contains a compound having an organic-inorganic hybrid perovskite crystal structure or a metal complex; and
the compound or the metal complex is grown in a crystalline form on a surface of the electron transport layer.
2. The hybrid particle according to claim 1 , wherein:
the organic-inorganic hybrid perovskite crystal structure is represented by ABX 3 ;
A represents an organic cation;
B represents a metal ion; and
X represents a halogen ion.
3. The hybrid particle according to claim 1 , wherein the metal complex includes titanyl phthalocyanine.
4. The hybrid particle according to claim 1 , wherein
the compound is represented by CH 3 NH 3 PbX 3 ; and
X represents a halogen ion.
5. A photoelectric conversion element comprising:
a first electrode;
a first charge separation layer provided on the first electrode; and
a second electrode provided on the first charge separation layer, wherein:
the first charge separation layer includes a hole transport layer, and a plurality of hybrid particles according to claim 1 ; and
the plurality of hybrid particles are covered by the hole transport layer.
6. A photosensitive body comprising:
an electrode; and
a charge separation layer provided on the electrode, wherein:
the charge separation layer includes a hole transport layer, and a plurality of hybrid particles according to claim 1 , and
the plurality of hybrid particles are covered by the hole transport layer.
7. An image forming apparatus comprising the photosensitive body according to claim 6 .