N-type Organic Semiconductor for Infrared Detection

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Solution Overview

Problem

Current organic semiconducting compounds face limitations in achieving high photo-response beyond 1000 nm and require halogen-containing solvents, which are environmentally harmful, making it challenging to develop materials for advanced applications like intelligent driving and unmanned aerial vehicles that need superior infrared detection capabilities.

Innovation Solution

A new n-type organic semiconducting compound with a specific molecular structure, represented by a particular formula, is developed, which exhibits excellent solubility in halogen-free solvents and provides enhanced photo-responsivity beyond 1000 nm, facilitating large-scale manufacturing and improved device performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional organic semiconducting compounds are used to achieve high photo-response beyond 1000 nm, then infrared detection capability is improved, but environmental harm increases due to requirement of halogen-containing solvents

Engineering Contradiction:

Improvephoto-responseVSAvoidenvironmental harm

Core Design Contradiction:

Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical structure parameters of the organic semiconducting compound by introducing specific molecular configurations (Formula 1) that enable high photo-response beyond 1000 nm while being compatible with halogen-free solvents. This structural parameter change allows the material to achieve both high infrared detection capability and environmental compatibility

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent converts the limitation of halogen-free solvents (which typically provide poor solubility for conventional organic semiconductors) into an advantage by designing a novel molecular structure that specifically enhances solubility in these environmentally friendly solvents through strategic placement of substituents and optimization of molecular geometry

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

2Measurement precision

If n-type organic semiconducting compounds are developed for superior infrared detection, then detection performance is improved, but manufacturing complexity increases

Engineering Contradiction:

Improveinfrared detection capabilityVSAvoidmanufacturing complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent designs the n-type organic semiconducting compound with multi-functional characteristics that enable it to serve multiple purposes: achieving high photo-response beyond 1000 nm, providing good solubility in halogen-free solvents for simplified processing, and maintaining stability for reliable device operation. This multi-functionality reduces manufacturing complexity by eliminating the need for separate optimization of multiple material properties

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If organic semiconducting compounds with extended light absorption range are used, then light absorption range is improved, but manufacturing cost increases due to complex synthesis requirements

Engineering Contradiction:

Improvelight absorption rangeVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent optimizes the molecular structure parameters to achieve extended light absorption range (beyond 1000 nm) through controlled modification of the core structure and substituents. The specific molecular configuration in Formula 1 is designed to balance the complexity of synthesis with the desired optical properties, using readily available starting materials and standard organic synthesis techniques

Inventive Principle:

Principle #35Parameter changes

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 compound achieves superior photo-response and external quantum efficiency beyond 1000 nm, enabling better infrared detection and reducing environmental impact through the use of environmentally friendly solvents, thus addressing the limitations of existing materials.

Implementation Method 1

the compound achieves superior photo-response and external quantum efficiency beyond 1000 nm, enabling better infrared detection

Methodology Applied

Scientific EffectLight absorption: Absorption (EM radiation)

Data Source

PatentUS20230121184A1Organic semiconducting compound and the organic photoelectric components using the same

Publication Date: 2023.04.20 RAYNERGY TEK INC

AI summary

The present invention relates to an Organic Semiconducting Compound and organic photoelectric components using the same. The innovative chemical structure of the Organic Semiconducting Compound allows improved infrared light range response values and renders it suitable for uses in the organic photoelectric components, such as OPD, OFET, or OPV due to its broadened absorbance wavelength range and improved external quantum efficiency.