Morphology Development in Solution-Processed Functional Organic Blend Films: An In Situ Viewpoint

Lee J. Richter, Dean M. DeLongchamp, Aram Amassian

Research output: Contribution to journalArticlepeer-review

104 Scopus citations

Abstract

Solution-processed organic films are a facile route to high-speed, low cost, large-area deposition of electrically functional components (transistors, solar cells, emitters, etc.) that can enable a diversity of emerging technologies, from Industry 4.0, to the Internet of things, to point-of-use heath care and elder care. The extreme sensitivity of the functional performance of organic films to structure and the general nonequilibrium nature of solution drying result in extreme processing-performance correlations. In this Review, we highlight insights into the fundamentals of solution-based film deposition afforded by recent state-of-the-art in situ measurements of functional film drying. Emphasis is placed on multimodal studies that combine surface-sensitive X-ray scattering (GIWAXS or GISAXS) with optical characterization to clearly define the evolution of solute structure (aggregation, crystallinity, and morphology) with film thickness.
Original languageEnglish (US)
Pages (from-to)6332-6366
Number of pages35
JournalChemical Reviews
Volume117
Issue number9
DOIs
StatePublished - Apr 17 2017

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