Organic Compound Near-Infrared Light Absorption
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Solution Overview
Problem
Existing opto-electronic devices lack high light absorption efficiency, particularly for specific wavelengths, which limits their performance in applications such as fingerprint recognition and other sensing technologies.
Innovation Solution
An opto-electronic device incorporating a photoactive layer with an organic compound represented by a specific formula, enhancing light absorption efficiency across a specific wavelength range, particularly in the near-infrared region, by utilizing a structure with a first and second electrode and including a hole transport region and an electron transport region.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional opto-electronic devices are used, then device structure is simple, but light absorption efficiency is low
Solution Approach 1:
The patent employs composite materials by combining the organic compound (Formula 1) with a host material to form a photoactive layer. The organic compound features specific molecular structures with electron-donating or electron-withdrawing groups that enhance light absorption. This composite approach allows the device to achieve high light absorption efficiency in the near-infrared region while maintaining manageable device complexity through systematic material design.
2Reliability
If existing photoactive materials are used, then material selection is simple, but light detection capability is insufficient
Solution Approach 1:
The patent systematically varies molecular parameters of the organic compound including substituent groups (electron-donating or electron-withdrawing groups at positions R1-R6), core structures (Formula 2 or 3), and molecular weight (500-1500 g/mol). These parameter changes enable tuning of the photoactive layer's light absorption characteristics, particularly in the near-infrared region, while providing a structured framework for material selection that manages complexity.
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 organic compound achieves excellent light absorption efficiency in the near-infrared range, improving the performance of opto-electronic devices in sensing applications by enhancing their ability to detect light and convert it into electrical signals.
Implementation Method 1
the organic compound achieves excellent light absorption efficiency in the near-infrared range
Implementation Method 2
enhancing their ability to detect light and convert it into electrical signals
Data Source
AI summary
Provided is an opto-electronic device, an electronic apparatus, an electronic device and an organic compound, the opto-electronic device including a first electrode, a second electrode facing the first electrode, a photoactive layer between the first electrode and the second electrode, and an organic compound represented by Formula 1, wherein, in Formula 1, CY1 is a group represented by Formula 2, and CY2 is a group represented by Formula 3. Detailed descriptions of Formulae 1 to 3 are as described herein.