Substrate-Induced and Thin-Film Phases: Polymorphism of Organic Materials on Surfaces

Andrew Owen Fletcher Jones, Basab Chattopadhyay, Yves H. Geerts*, Roland Resel

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikel


An increase or modification of structural order in the vicinity of a solid substrate is known for a wide range of materials. For molecular materials crystallizing on a solid surface it has been observed that new polymorphic forms may exist near the interface with the substrate, which have structures different to those observed in the bulk. Such phases are termed as substrate-induced phases (SIPs). The presence of an SIP in a compound or a class of materials can be of crucial significance in terms of their physical properties. However, the factors that drive such a process are not clearly understood or studied in depth. In this feature article, we review the current state of understanding concerning SIPs, giving examples of systems where SIPs have been observed, discussing their origins, and which questions remain to be answered. The role of the substrate in controlling the growth and subsequent structural order has been discussed in detail and the impact of polymorphism on organic electronic device properties has been addressed. Finally, the origin of SIPs has been correlated with their crystal structures and the differences with respect to the bulk structure are highlighted.

Seiten (von - bis)2233-2255
FachzeitschriftAdvanced Functional Materials
PublikationsstatusVeröffentlicht - 2016

ASJC Scopus subject areas

  • !!Biomaterials
  • !!Electrochemistry
  • !!Condensed Matter Physics
  • !!Electronic, Optical and Magnetic Materials


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