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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

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Supramolecular Assemblies for Electronic Materials.

Timothy A Barendt¹, Melissa L Ball², Qizhi Xu^2,3

¹School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.

Chemistry (Weinheim an Der Bergstrasse, Germany)

|February 8, 2020

Summary

This summary is machine-generated.

Organic electronics and supramolecular chemistry combine to create a novel host-guest complex. This complex significantly enhances electron mobility in electronic materials by over five-fold.

Keywords:

fullerenes macrocycles molecular electronics organic semiconductors supramolecular chemistry

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Area of Science:

Organic electronics
Supramolecular chemistry
Materials science

Background:

Organic electronic materials often face limitations in charge transport efficiency.
Supramolecular chemistry offers precise control over molecular assembly and function.
Developing efficient organic electronic materials is crucial for advanced applications.

Purpose of the Study:

To investigate the synergistic potential of combining organic electronics and supramolecular chemistry.
To design and characterize a host-guest complex for enhanced electronic properties.
To evaluate the impact of noncovalent interactions on electron mobility.

Main Methods:

Synthesis of an alternating perylene diimide-bithiophene conjugated macrocycle (PBPB).
Complexation of the PBPB macrocycle with a fullerene derivative, phenyl-C61-butyric acid methyl ester (PC61BM).
Characterization of the host-guest complex using spectroscopic and electrochemical techniques.
Measurement of electron mobility in the PBPB macrocycle with and without PC61BM.

Main Results:

The PBPB macrocycle effectively binds the fullerene guest (PC61BM) through noncovalent interactions.
The formation of the host-guest complex resulted in a greater than five-fold enhancement in electron mobility compared to the PBPB macrocycle alone.
Evidence of intermolecular electronic communication within the host-guest complex was observed.
Quantification of fullerene binding by the PBPB host was successfully achieved.

Conclusions:

A synergistic approach combining organic electronics and supramolecular chemistry can yield highly efficacious electronic materials.
Host-guest complexation is a viable strategy for significantly enhancing electron mobility in organic semiconductors.
The designed PBPB-PC61BM system demonstrates the potential for advanced functional organic electronic devices.