Polymeric janus particles

Frederik Wurm, Andreas F.M. Kilbinger

Research output: Contribution to journalArticleAcademicpeer-review

196 Citations (Scopus)


Since de Germes' Nobel lecture in 1991, in which he coined the term "Janus grains", research into asymmetric particles has boomed. Macroscopic, microscopic and nanoscopic particles have been prepared in which certain parts of their surface differ in chemical composition, polarity, color, or any other property. Spherical, cylindrical, disc-like, snowman-, hamburger-, and raspberry-like structures have been synthesized from organic or inorganic materials or even as hybrids of both. Synthetic strategies towards such particles vary greatly from simple polymer mixtures to the bulk self-assembly of sophisticated terpolymers to immobilization methods of symmetric particles. Polymeric Janus particles are particularly promising, as they can often be prepared cheaply and sometimes even on larger scales.

Original languageEnglish
Pages (from-to)8412-8421
Number of pages10
JournalAngewandte Chemie - International Edition
Issue number45
Publication statusPublished - 26 Oct 2009
Externally publishedYes


  • Asymmetric particles
  • Colloids
  • Diblock copolymers
  • Janus particles
  • Terpolymers


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