Development and characterization of graphene oxide based electronics and actuators

Omkar Bhatkar; Sheikh Rasel; Reza Rizvi

doi:10.1117/12.2514342

29 March 2019 Development and characterization of graphene oxide based electronics and actuators

Omkar Bhatkar, Sheikh Rasel, Reza Rizvi

Proceedings Volume 10968, Behavior and Mechanics of Multifunctional Materials XIII; 109680H (2019) https://doi.org/10.1117/12.2514342
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

Abstract

Emerging interests in hardware security as well as environmental concerns have given rise to the field of transient or temporary electronics, which can be decommissioned by an external stimulus with minimal impact to the surrounding environment. In this study, an all graphene based film is produced by a one-step deposition process. The conversion of graphene oxide (GO) to reduced graphene oxide (rGO) depends on an interfacial reduction reaction. Control of processing conditions such as the underlying substrate, pH of GO and the film drying environment results in an ability to tailor the internal architecture of the films and their electronic properties. Furthermore, the ability to create masks for selective reduction of GO during deposition was also demonstrated, which was used to create intricate yet well-defined patterns and connections required in electronic circuits and devices. All graphene based freestanding films with selectively reduced GO were used in transient electronics application as circuitry and RFID tag patterns. Furthermore, the reversible and controllable hygromorphic actuation ability of GO films is demonstrated along with application in humidity sensing.

Citation Download Citation

Omkar Bhatkar, Sheikh Rasel, and Reza Rizvi "Development and characterization of graphene oxide based electronics and actuators", Proc. SPIE 10968, Behavior and Mechanics of Multifunctional Materials XIII, 109680H (29 March 2019); https://doi.org/10.1117/12.2514342

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KEYWORDS

Graphene

Electronics

Metals

Oxides

Zinc

Humidity

Resistance

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