Liquid-crystal approaches to organic photovoltaics

Bernard Kippelen, Seunghyup Yoo, Joshua A. Haddock, Benoit Domercq, Stephen Barlow, Britt Minch, Wei Xia, Seth R. Marder, Neal R. Armstrong

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


This chapter provides a review of the semiconducting properties of organic molecules that self-assemble into ordered liquid-crystalline mesophases, and discusses their performance in organic solar cells. The chapter is organized as follows: in the first section, the need for high-mobility materials in efficient solar cells is discussed; in the second section, various techniques used to determine the charge mobility in thin films are presented and compared; the third section reviews the basic properties of liquid-crystalline materials; then, the current 271 state-of-the-art developments in semiconducting liquid crystals are discussed. Finally, the properties of solar cells that are based on these self-ordering materials are presented.

Original languageEnglish (US)
Title of host publicationOrganic Photovoltaics
Subtitle of host publicationMechanisms, Materials, and Devices
PublisherCRC Press
Number of pages28
ISBN (Electronic)9781420026351
ISBN (Print)082475963X, 9780824759636
StatePublished - Jan 1 2017


  • Calamitic
  • Child’s law
  • Cholesteric
  • Clearing temperature
  • Columnar discotic
  • Conductivity
  • Cross-linking
  • Discostic
  • Disorder formalism
  • Dispersive transport
  • Energetic disorder
  • Field-effect transistor
  • Grain boundaries
  • Liquid crystal
  • Lyotropic
  • Mesophase
  • Mobility
  • Mobility pre-factor
  • Nematic
  • Nematic discotic
  • Order parameter
  • Phase
  • Phase transition
  • Positional disorder
  • Pulsed radiolysis time-resolved microwave
  • Smectic
  • Space-charge limited current
  • Thermotropic
  • Time-of-flight
  • Transition temperature

ASJC Scopus subject areas

  • General Engineering
  • General Environmental Science


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