He. Katz et al., Synthetic chemistry for ultrapure, processable, and high-mobility organic transistor semiconductors, ACC CHEM RE, 34(5), 2001, pp. 359-369
An essential aspect of the development of organic based electronics is the
synthetic chemistry devised for the preparation of the semiconductor materi
als responsible for the activity of organic field-effect transistors. Acces
s to organic semiconductors in sufficient purity and variety has led to bre
akthroughs in solid-state physics and circuit realization. In this Account,
we review the synthetic methods that have been most useful for preparing a
range of semiconductors, including thiophene-based oligomers, several kind
s of fused rings, and polymers. The tradeoff between process efficiency and
target purity is emphasized.