π-Core tailoring for new high performance thieno(bis)imide based n-type molecular semiconductors

Area of Science:

• Materials Science
• Organic Electronics
• Semiconductor Physics

Background:

• Development of n-type organic semiconductors is crucial for advancing organic electronic devices.
• Thieno(bis)imide derivatives offer a promising scaffold for designing high-performance n-type materials.

Purpose of the Study:

• To synthesize and characterize novel thieno(bis)imide-based n-type semiconductors.
• To investigate the structure-property relationships governing their electronic performance.

Main Methods:

• Organic synthesis techniques for thieno(bis)imide derivatives.
• Characterization of semiconductor properties including electron mobility.
• Computational analysis of electronic features and molecular orbital calculations.

Main Results:

• Successful synthesis of two new thieno(bis)imide based n-type semiconductors.
• Achieved electron mobilities up to 0.3 cm(2) V(-1) s(-1).
• Established correlations between the electronic structure of the π-core and material functionality.

Conclusions:

• The synthesized thieno(bis)imide derivatives are effective n-type organic semiconductors.
• The study provides insights into designing high-mobility n-type materials for organic electronics.
• Further exploration of π-inner core modifications can lead to improved semiconductor performance.