Small Molecule versus Polymer Semiconductors

Maryam Shahi, Alexandra F. Paterson

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

2 Scopus citations


Over the years, two prominent materials categories have emerged for organic semiconductors: small-molecules and polymers. On one hand, small-molecules have high crystallization propensity and subsequent high mobilities, but their crystalline structures simultaneously make it difficult to control their microstructures during solution-processing. On the other hand, polymers have excellent film-forming qualities because of their long chains, which simultaneously introduce intrinsic disorder, thereby lowering the mobility. The article herein discusses this intrinsic small-molecule versus polymer trade-off in the context of solution-processing. Namely, its background/history and ways to overcome it, to achieve the plastic electronic goal of solution-processed semiconductors with high electronic performance.

Original languageEnglish
Title of host publicationEncyclopedia of Materials
Subtitle of host publicationElectronics
ISBN (Electronic)9780128197356
StatePublished - Jan 1 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Inc. All rights reserved


  • Charge carrier transport
  • Crystallinity
  • Mobility
  • Molecular electronics
  • Morphology
  • Organic semiconductors
  • Plastic electronics
  • Polymer
  • Polymer binder
  • Small-molecule
  • Small-molecule polymer blend
  • Solution processing.

ASJC Scopus subject areas

  • General Engineering


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