Progress in the synthesis of imide-based N-type polymer semiconductor materials

Area of Science:

• Materials Science
• Organic Electronics
• Polymer Chemistry

Background:

• Organic field-effect transistors (OFETs) and organic photovoltaics (OPVs) require advanced N-type polymer semiconductors.
• Current challenges necessitate the development of N-type polymer building blocks with tailored structures and performance.
• Significant progress has been made in creating effective polymer receptor building blocks for N-type organic semiconductors.

Purpose of the Study:

• To introduce and analyze four types of imide-based N-type polymer semiconductor materials.
• To review their applications in OFETs and OPVs.
• To provide guidance for designing high-performance N-type polymer semiconductors.

Main Methods:

• Literature review and analysis of existing N-type polymer semiconductor materials.
• Focus on imide-based structures: bisthiophene imide (BTI), bisthiazolimide (BTz), naphthalimide (NDI), and perylene imide (PDI).
• Evaluation of molecular structure design and material performance.

Main Results:

• Introduction of four imide-based N-type polymer semiconductor families (BTI, BTz, NDI, PDI).
• Analysis of their structure-property relationships and performance in OFETs and OPVs.
• Summary of design strategies and performance outcomes.

Conclusions:

• Imide-based N-type polymers are promising for organic electronics.
• Molecular design significantly impacts semiconductor performance.
• This review offers a reference for developing next-generation N-type organic semiconductors.