Inkjet printed circuits with two-dimensional semiconductor inks for high-performance electronics

Tian Carey; Adrees Arbab; Luca Anzi; Helen Bristow; Fei Hui; Sivasambu Bohm; Gwenhivir Wyatt-Moon; Andrew Flewitt; Andrew Wadsworth; Nicola Gasparini; Jong Min Kim; Mario Lanza; Iain McCulloch; Roman Sordan; Felice Torrisi

arXiv · 2011.12359

Inkjet printed circuits with two-dimensional semiconductor inks for high-performance electronics

Tian Carey·Adrees Arbab·Luca Anzi·Helen Bristow·Fei Hui·Sivasambu Bohm·Gwenhivir Wyatt-Moon·Andrew Flewitt·Andrew Wadsworth·Nicola Gasparini·Jong Min Kim·Mario Lanza·Iain McCulloch·Roman Sordan·Felice Torrisi

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Abstract

Air-stable semiconducting inks suitable for complementary logic are key to create low-power printed integrated circuits (ICs). High-performance printable electronic inks with two-dimensional materials have the potential to enable the next generation of high performance, low-cost printed digital electronics. Here we demonstrate air-stable, low voltage (< 5 V) operation of inkjet-printed n-type molybdenum disulfide (MoS2) and p-type indacenodithiophene-co-benzothiadiazole (IDT-BT) field-effect transistors (FETs), estimating a switching time of {\tau} ~ 3.3 {\mu}s for the MoS2 FETs. We achieve this by engineering high-quality MoS2 and air-stable IDT-BT inks suitable for inkjet-printing complementary pairs of n-type MoS2 and p-type IDT-BT FETs. We then integrate MoS2 and IDT-BT FETs to realise inkjet-printed complementary logic inverters with a voltage gain |Av| ~ 4 when in resistive load configuration and |Av| ~ 1.36 in complementary configuration. These results represent a key enabling step towards ubiquitous long-term stable, low-cost printed digital ICs.

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Tian Carey, Adrees Arbab, Luca Anzi, Helen Bristow, Fei Hui, Sivasambu Bohm, Gwenhivir Wyatt-Moon, Andrew Flewitt, Andrew Wadsworth, Nicola Gasparini, Jong Min Kim, Mario Lanza, Iain McCulloch, Roman Sordan, Felice Torrisi. 2020-11-24. Inkjet printed circuits with two-dimensional semiconductor inks for high-performance electronics. https://arxiv.org/abs/2011.12359

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