Organic semiconductors based on small molecules with thermally or photochemically removable groups

Area of Science:

• Materials Science
• Organic Electronics
• Semiconductor Technology

Background:

• Solution processable organic semiconductors are crucial for low-cost, large-area electronics on flexible substrates.
• Organic field-effect transistors (OFETs) are key components in flexible electronic devices.

Purpose of the Study:

• To provide an overview of recent advancements in OFETs utilizing solution processable small molecules.
• To highlight materials that can be converted into insoluble organic semiconductors post-deposition.

Main Methods:

• Review of literature on solution processable small molecules for OFETs.
• Focus on materials with removable leaving groups for post-fabrication insolubilization.
• Discussion of thermal and photochemical conversion methods.

Main Results:

• Identification of small molecules that transition from soluble to insoluble states.
• Demonstration of OFET fabrication using these materials.
• Overview of the advantages of post-deposition insolubilization for device stability and performance.

Conclusions:

• Solution processable small molecules offering post-deposition insolubilization are promising for advanced OFETs.
• This approach facilitates the manufacture of robust, low-cost flexible electronics.
• Further research in this area will drive innovation in organic semiconductor technology.