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Updated: Jun 13, 2026

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

Improving polymer transistor performance via morphology control.

Hoi Nok Tsao¹, Klaus Müllen

¹Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.

Chemical Society Reviews

|April 14, 2010

Summary

Organic semiconductor polymers self-assemble into various morphologies that significantly impact charge carrier mobility and transistor performance. Oriented, fiber-like films offer the highest mobilities, guiding future material design for advanced polymer transistors.

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Last Updated: Jun 13, 2026

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Area of Science:

Materials Science
Organic Electronics
Polymer Science

Background:

Organic semiconductor polymers self-assemble into distinct macroscopic morphologies.
These morphologies critically influence charge carrier mobility and transistor performance.
Understanding morphology-performance relationships is key for advancing organic electronics.

Purpose of the Study:

To present various film morphologies of organic semiconductor polymers.
To clarify how chemical design and solution processing manipulate polymer morphology.
To illustrate the link between morphology, processing, and transistor behavior.

Main Methods:

Review of film microstructures (morphologies) in organic semiconductor polymers.
Analysis of the influence of morphology on charge carrier mobility.
Examination of chemical design and solution processing techniques for morphology control.

Main Results:

Different polymer morphologies exhibit varying effects on charge carrier mobility.
Chemical and processing strategies can effectively tune polymer morphology.
Directionally aligned, fiber-like polymer films achieve exceptionally high mobilities.

Conclusions:

Optimizing polymer morphology is crucial for enhancing transistor performance.
Oriented fiber-like structures represent a promising morphology for high-mobility polymer transistors.
Predictive insights into morphology-mobility relationships can guide future research.