Printed Electronics Based on Inorganic Semiconductors: From Processes and Materials to Devices

Area of Science:

• Materials Science
• Electronics Engineering
• Nanotechnology

Background:

• Printed electronics leverages unique characteristics like large-area compatibility and low cost for new technologies.
• Field-effect transistors (FETs) and circuits processed from solution have seen significant research and commercial interest.
• Focus has shifted from organic to inorganic semiconductors, including metal chalcogenides, oxides, carbon nanotubes, graphene, and 2D materials.

Purpose of the Study:

• To provide a comprehensive review of printable inorganic semiconductors.
• To analyze the advancements in materials, inks, and printing strategies for inorganic semiconductors.
• To compare the performance, challenges, and future prospects of various inorganic semiconductor materials in printed circuits.

Main Methods:

• Review of existing literature on printable inorganic semiconductors.
• Analysis of material properties and their suitability for printing processes.
• Evaluation of circuit performance metrics such as operating frequency and time delay.

Main Results:

• Printable inorganic semiconductor circuits achieve operating frequencies up to several hundred kilohertz.
• Individual FETs/inverters exhibit time delays in the nanosecond range.
• Hybrid material systems often demonstrate advantages in circuit performance.

Conclusions:

• Printable inorganic semiconductors are advancing rapidly, offering viable solutions for high-performance electronic circuits.
• Continued development in materials and printing techniques is crucial for overcoming remaining challenges.
• Significant opportunities exist for further innovation and commercialization in the field of printed inorganic electronics.