Photoelectric Conversion Element Heat Resistance via Specific Compound
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Solution Overview
Problem
Existing photoelectric conversion elements lack excellent heat resistance, which affects their performance and durability.
Innovation Solution
Incorporating a specific compound with a predetermined structure into the photoelectric conversion film, which includes a conductive film, a photoelectric conversion film, and a transparent conductive film, to enhance heat resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional compounds are used in the photoelectric conversion film, then the element can be manufactured with standard materials, but the heat resistance is insufficient
Solution Approach 1:
The patent applies parameter changes by modifying the molecular structure of the compound used in the photoelectric conversion film. Specifically, it introduces compounds with particular structural features (such as specific core structures and substituent groups) that inherently provide better thermal stability. This changes the chemical parameters of the material to achieve improved heat resistance while maintaining manufacturability through conventional fabrication processes.
Solution Approach 2:
The patent employs composite materials by combining the photoelectric conversion compound with specific host materials and additives in defined ratios. The compound is integrated into a composite photoelectric conversion layer that includes electron transporting materials and hole transporting materials, creating a synergistic system that enhances overall heat resistance while maintaining device performance and manufacturability.
2Reliability
If the photoelectric conversion element structure is simplified, then manufacturing becomes easier, but performance optimization is limited
Solution Approach 1:
The patent applies local quality by optimizing specific regions within the photoelectric conversion film. It uses compounds with localized functional groups (electron-accepting cores and electron-donating substituents) that create distinct zones with specific properties for charge generation, transport, and recombination. This localized optimization enhances performance durability without requiring complex overall device architecture.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The use of the specific compound in the photoelectric conversion film significantly improves the heat resistance of the element, leading to enhanced performance and longevity.
Implementation Method 1
a photoelectric conversion element comprising, in the following order: a conductive film; a photoelectric conversion film; and a transparent conductive film
Data Source
AI summary
The present invention is to provide a photoelectric conversion element having excellent heat resistance. In addition, an imaging element and an optical sensor which include the photoelectric conversion element are provided. Furthermore, a compound applied to the photoelectric conversion element is provided. A photoelectric conversion element according to the present invention includes a conductive film, a photoelectric conversion film, and a transparent conductive film, in this order, in which the photoelectric conversion film contains a compound represented by Formula (1).In Formula (1), Y1 represents a group represented by Formula (1-1) or a group represented by Formula (1-2).