In this letter, the direct fabrication of amorphous indium-gallium-zinc-oxide thin-film transistors (TFTs) and circuits on a commercial carbon fiber reinforced polymer (CFRP) substrate is demonstrated. The CFRP is encapsulated with a ∼ 10.6-μm-thick resin layer, although the surface roughness and temperature sensitivity of the substrate are not ideal for the fabrication of electronic devices, we present depletion mode TFTs exhibiting a field effect mobility of 18.3 cm2V-1-1, and a common source amplifier, providing a voltage gain of 8 dB and a -3 dB cutoff frequency of 11.5 kHz. The amplifier does not require any input bias voltage and can, hence, be directly used to condition signals originating from various transducers, e.g., piezoelectric strain sensors used to monitor the structural integrity of CFRP elements. This opens the way to the fabrication of smart mechanical CFRP parts with integrated structural integrity monitoring systems.

Oxide Thin-Film Electronics on Carbon Fiber Reinforced Polymer Composite / Münzenrieder, N; Costa, J; Cantarella, G; Vogt, C; Petti, L; Daus, A; Knobelspies, S; Tröster, G. - In: IEEE ELECTRON DEVICE LETTERS. - ISSN 0741-3106. - 38:8(2017), pp. 1043-1046. [10.1109/LED.2017.2720258]

Oxide Thin-Film Electronics on Carbon Fiber Reinforced Polymer Composite

Cantarella G;
2017

Abstract

In this letter, the direct fabrication of amorphous indium-gallium-zinc-oxide thin-film transistors (TFTs) and circuits on a commercial carbon fiber reinforced polymer (CFRP) substrate is demonstrated. The CFRP is encapsulated with a ∼ 10.6-μm-thick resin layer, although the surface roughness and temperature sensitivity of the substrate are not ideal for the fabrication of electronic devices, we present depletion mode TFTs exhibiting a field effect mobility of 18.3 cm2V-1-1, and a common source amplifier, providing a voltage gain of 8 dB and a -3 dB cutoff frequency of 11.5 kHz. The amplifier does not require any input bias voltage and can, hence, be directly used to condition signals originating from various transducers, e.g., piezoelectric strain sensors used to monitor the structural integrity of CFRP elements. This opens the way to the fabrication of smart mechanical CFRP parts with integrated structural integrity monitoring systems.
38
8
1043
1046
Oxide Thin-Film Electronics on Carbon Fiber Reinforced Polymer Composite / Münzenrieder, N; Costa, J; Cantarella, G; Vogt, C; Petti, L; Daus, A; Knobelspies, S; Tröster, G. - In: IEEE ELECTRON DEVICE LETTERS. - ISSN 0741-3106. - 38:8(2017), pp. 1043-1046. [10.1109/LED.2017.2720258]
Münzenrieder, N; Costa, J; Cantarella, G; Vogt, C; Petti, L; Daus, A; Knobelspies, S; Tröster, G
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1290906
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