Composition and photoelectric conversion element

By using aliphatic phosphate compounds and tetraarylborate ions in the hole transport layer with arylamine polymers, the efficiency and durability of photoelectric conversion elements are improved without the need for a passivation layer, addressing manufacturing challenges and achieving comparable performance.

JP2026111411APending Publication Date: 2026-07-03MITSUBISHI CHEM CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
MITSUBISHI CHEM CORP
Filing Date
2024-12-23
Publication Date
2026-07-03

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Abstract

To improve the yield, power generation efficiency, and durability of photoelectric conversion elements having an active layer containing a perovskite semiconductor compound. [Solution] A composition containing a compound (α-1) having a structure represented by the following formula (1) and an organic semiconductor compound. [Formula 1] JPEG2026111411000034.jpg2462 (In formula (1), G is an arylamine compound, an optionally substituted aromatic hydrocarbon group, or an optionally substituted aromatic heterocyclic group, and n is an integer from 0 to 7.)
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