Canon kabushiki kaisha (20240268134). PHOTOELECTRIC CONVERSION ELEMENT simplified abstract

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PHOTOELECTRIC CONVERSION ELEMENT

Organization Name

canon kabushiki kaisha

Inventor(s)

TOMONA Yamaguchi of Tokyo (JP)

PHOTOELECTRIC CONVERSION ELEMENT - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240268134 titled 'PHOTOELECTRIC CONVERSION ELEMENT

The present disclosure reveals a photoelectric conversion element with reduced dark current, featuring a first electrode, a second electrode, and a photoelectric conversion layer containing quantum dots between them.

  • The photoelectric conversion layer includes nanoparticles and a protective ligand, with the nanoparticles comprising at least two elements from various groups in the periodic table.
  • The protective ligand consists of a cationic ligand and an anionic ligand, both with a molecular weight of 250 or less.

Potential Applications: - Solar panels - Photodetectors - Image sensors

Problems Solved: - Reduction of dark current in photoelectric conversion elements - Enhanced efficiency of photoelectric conversion

Benefits: - Improved performance of photoelectric devices - Increased energy conversion efficiency

Commercial Applications: Title: Enhanced Photoelectric Conversion Element for Improved Energy Efficiency This technology can be applied in the development of more efficient solar panels, photodetectors, and image sensors, leading to cost-effective and sustainable energy solutions in various industries.

Questions about the technology: 1. How does the use of quantum dots in the photoelectric conversion layer contribute to reducing dark current? 2. What are the specific advantages of using a protective ligand with cationic and anionic components in the photoelectric conversion element?


Original Abstract Submitted

the present disclosure discloses a photoelectric conversion element in which dark current is reduced, wherein the photoelectric conversion element includes a first electrode, a second electrode, and a photoelectric conversion layer disposed between the first electrode and the second electrode and including quantum dots, which include nanoparticles and a protective ligand, wherein the nanoparticles contain at least two elements selected from the group consisting of group 11 elements, group 12 elements, group 13 elements, group 14 elements, group 15 elements, and group 16 elements, and the protective ligand includes a cationic ligand and an anionic ligand, and the cationic ligand and the anionic ligand both have a molecular weight of 250 or less.