Ricoh Company, Ltd.

Tsuyoshi Matsuyama

Yuuji Tanaka

Naomichi Kanei

Tokushige Kino

Tamotsu Horiuchi

Shigeyo Suzuki

Takahiro Ide

Ryota Arai

A photoelectric conversion element may include a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.

Photoelectric conversion element

A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of Rand Rindependently represents an alkyl group or an aromatic hydrocarbon group, or Rand Rshare bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where Xrepresents a counter cation.

Photoelectric conversion element and solar cell

To provide a photoelectric conversion element, including a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.

A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of Xand Xindependently represents oxygen atom, sulfur atom, or selenium atom; Rrepresents methine group; Rrepresents an alkyl group, an aryl group, or a heterocyclic group; each of Rindependently represents an acidic group; m represents an integer of 1 or 2; and each of Zand Zindependently represents a group forming a cyclic structure;R&#x2014;R&#x2014;COOH&#x2003;&#x2003;Formula (2)where Rrepresents an aryl group or a heterocyclic group; and Rrepresents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.

Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole transport layer contains a compound represented by general formula (1) below, where in the formula, Rrepresents a methoxy group or an ethoxy group, Rrepresents a hydrogen group or a methyl group, Rrepresents a hydrogen group, a methyl group, or a methoxy group, Rrepresents a methoxy group, and X represents &#x2014;CH&#x2014;, &#x2014;CHCH&#x2014;, &#x2014;O&#x2014;, or &#x2014;C(CH)&#x2014;.

A photoelectric conversion element is provided. The photoelectric conversion element includes a conductive film, an electron transport layer overlying the conductive film, a photoelectric conversion layer overlying the electron transport layer, a hole transport layer overlying the photoelectric conversion layer, and an electrode. The photoelectric conversion layer includes a first material and a second material, each having specific chemical formulae.

A tertiary amine compound is provided. The tertiary amine compound is represented by the following general formula (1): where each of Arand Arindependently represents a benzene ring having an alkyl group or an alkoxy group, an unsubstituted benzene ring, a naphthalene ring having an alkyl group or an alkoxy group, or an unsubstituted naphthalene ring.

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Kanagawa, Japan

Tsuyoshi Matsuyama