Organic-Inorganic Hybrid Materials as Semiconducting Channels in Thin-Film Field-Effect Transistors
- 29 October 1999
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 286 (5441) , 945-947
- https://doi.org/10.1126/science.286.5441.945
Abstract
Organic-inorganic hybrid materials promise both the superior carrier mobility of inorganic semiconductors and the processability of organic materials. A thin-film field-effect transistor having an organic-inorganic hybrid material as the semiconducting channel was demonstrated. Hybrids based on the perovskite structure crystallize from solution to form oriented molecular-scale composites of alternating organic and inorganic sheets. Spin-coated thin films of the semiconducting perovskite (C 6 H 5 C 2 H 4 NH 3 ) 2 SnI 4 form the conducting channel, with field-effect mobilities of 0.6 square centimeters per volt-second and current modulation greater than 10 4 . Molecular engineering of the organic and inorganic components of the hybrids is expected to further improve device performance for low-cost thin-film transistors.Keywords
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