Charge carrier mobility in organic molecular materials probed by electromagnetic waves

Area of Science:

• Materials Science
• Organic Electronics
• Semiconductor Physics

Background:

• Charge carrier mobility dictates semiconductor device performance.
• Organic molecular materials are emerging as alternatives to amorphous silicon.
• Diverse structural variations in organic materials necessitate specialized measurement techniques.

Purpose of the Study:

• To review and highlight methodologies for evaluating charge carrier mobility in organic materials.
• To assess the advantages and disadvantages of various measurement techniques.
• To guide the future development of organic molecular semiconductors.

Main Methods:

• Literature review and perspective on existing evaluation methodologies.
• Analysis of techniques for organic molecules, crystals, and supramolecular assemblies.
• Comparison of techniques for probing electronic conducting nature.

Main Results:

• Identification of key evaluation methodologies for charge carrier mobility.
• Discussion of the merits and demerits of different techniques.
• Assessment of the feasibility of organic materials in semiconductor applications.

Conclusions:

• Systematic application of measurement techniques is vital for advancing organic molecular semiconductors.
• Understanding charge carrier mobility is essential for optimizing organic electronic devices.
• Organic materials offer a promising pathway beyond amorphous silicon substitution.