An eco-friendly triboelectric hybrid nanogenerators based on cellulose-polyvinyl alcohol-graphene oxide

Jaehwan Kim; Jongmin Song; Fattaneh Salemi; Muhammad Latif; Duc Hoa Pham; Hyeoncheol Cho

doi:10.1117/12.2612713

18 April 2022 An eco-friendly triboelectric hybrid nanogenerators based on cellulose-polyvinyl alcohol-graphene oxide

Jaehwan Kim, Jongmin Song, Fattaneh Salemi, Muhammad Latif, Duc Hoa Pham, Hyeoncheol Cho

Proceedings Volume PC12045, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2022; PC1204503 (2022) https://doi.org/10.1117/12.2612713
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

Cellulose is attractive for in fabricating renewable triboelectric nanogenerators (TENGs) due to its lightweight, flexibility, renewability, and biodegradability. However, the insufficient functional groups and weak polarization on the surface restrict its progress towards high-performance TENGs. Therefore, this research has developed flexible environment-friendly TENGs with significant output performance based on polyvinyl alcohol (PVA)/graphene oxide (GO) and cellulose films. Furthermore, the specific contact surface area of the films is improved by patterning rectangular dots using a photolithography technique. Moreover, the concentration of GO, size of friction layers, and thickness are optimized in terms of triboelectric output performance. The scanning electron microscope is used to observe the surface morphology of the prepared TENGs films. We believe that the fabricated TENGs have the potential to be applied for self-powered biomedical applications.

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Citation Download Citation

Jaehwan Kim, Jongmin Song, Fattaneh Salemi, Muhammad Latif, Duc Hoa Pham, and Hyeoncheol Cho "An eco-friendly triboelectric hybrid nanogenerators based on cellulose-polyvinyl alcohol-graphene oxide", Proc. SPIE PC12045, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2022, PC1204503 (18 April 2022); https://doi.org/10.1117/12.2612713

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KEYWORDS

Oxides

Optical lithography

Biomedical optics

Electron microscopes

Nanolithography

Polarization

Scanning electron microscopy

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