Pentacene-based organic superlattice transistors using organic heterostructure

Yuuki Tidiishi; Shigeki Naka; Hiroyuki Okada

doi:10.1117/12.793682

28 August 2008 Pentacene-based organic superlattice transistors using organic heterostructure

Yuuki Tidiishi, Shigeki Naka, Hiroyuki Okada

Proceedings Volume 7054, Organic Field-Effect Transistors VII and Organic Semiconductors in Sensors and Bioelectronics; 70540J (2008) https://doi.org/10.1117/12.793682
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

Abstract

Pentacene-based organic superlattice transistors (OSLFETs) using the monolayer (ML) thickness of organic pentacene and amorphous organic material have been studied. By changing the unit number of pentacene (2 ML) and amorphous organic layers, transistor characteristics, namely, mobility, threshold voltage and on-off ratio, were markedly changed. Under optimum stacked layer conditions, the mobility was determined to be 1.35 cm²/Vs, and the on-off ratio, 10⁶. By changing the unit number of pentacene and amorphous organic layers, the sheet charge was determined to be 6.2×10¹¹ cm^-2. This superlattice configuration concept is expected to improve carrier transport and control the threshold voltage for an integrated circuit configuration.

Citation Download Citation

Yuuki Tidiishi, Shigeki Naka, and Hiroyuki Okada "Pentacene-based organic superlattice transistors using organic heterostructure", Proc. SPIE 7054, Organic Field-Effect Transistors VII and Organic Semiconductors in Sensors and Bioelectronics, 70540J (28 August 2008); https://doi.org/10.1117/12.793682

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