Non-covalent interactions (NCIs) in π-conjugated functional materials: advances and perspectives

Area of Science:

• Materials Science
• Supramolecular Chemistry
• Organic Electronics

Background:

• Designing functional materials requires understanding and controlling molecular interactions.
• Non-covalent interactions (NCIs) significantly influence material properties and functions.
• NCIs offer a pathway to engineer diverse physical properties for various applications.

Purpose of the Study:

• To review the impact of NCIs on molecular packing, optical properties, and applications of π-conjugated materials.
• To explore how manipulating NCIs can lead to advanced functional materials.
• To connect fundamental interactions with opto-electronic (O-E) applications.

Main Methods:

• Literature review of NCIs in π-conjugated systems.
• Analysis of electrostatic, π-interactions, and metallophilic interactions.
• Delineation of weak interactions' effects on opto-electronic properties.

Main Results:

• NCIs critically influence molecular packing and solid-state properties.
• Tailoring NCIs can tune optical and electronic characteristics of π-conjugated materials.
• Specific interactions enable applications in catalysis, drug delivery, and crystal engineering.

Conclusions:

• Understanding and controlling NCIs are crucial for developing novel functional π-conjugated materials.
• NCIs play a vital role in determining the opto-electronic performance of these materials.
• This review highlights the potential of NCIs for future material design and applications.