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Starch-Cellulose-Based Triboelectric Nanogenerator Obtained by a Low-Cost Cleanroom-Free Processing Method

Published online by Cambridge University Press:  02 January 2019

Robert Ccorahua,
Alexsandra Cordero,
Clemente Luyo,
María Quintana and
Emir Vela
Robert Ccorahua
Affiliation:
Department of Engineering, School of Engineering, and Laboratorios de Investigacion y Desarrollo – LID, Universidad Peruana Cayetano Heredia, Lima, Peru
Alexsandra Cordero
Affiliation:
Department of Engineering, School of Engineering, and Laboratorios de Investigacion y Desarrollo – LID, Universidad Peruana Cayetano Heredia, Lima, Peru
Clemente Luyo
Affiliation:
Department of Physical Engineering, Universidad Nacional de Ingeniería, Lima, Peru
María Quintana
Affiliation:
Department of Engineering, School of Engineering, and Laboratorios de Investigacion y Desarrollo – LID, Universidad Peruana Cayetano Heredia, Lima, PeruDepartment of Physical Engineering, Universidad Nacional de Ingeniería, Lima, Peru
Emir Vela*
Affiliation:
Department of Engineering, School of Engineering, and Laboratorios de Investigacion y Desarrollo – LID, Universidad Peruana Cayetano Heredia, Lima, PeruDepartment of Electrical and Computer Engineering, The University of New Mexico, USA
*
*(Email: emir.vela@upch.pe)
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Abstract

To date only few low-cost bio-based materials have been reported to be useful as TENGs. However, they still keep employing costly nanofabrication techniques. Herein, a new bio-based starch-cellulose TENG is fabricated without using complex equipment for the first time. Our results showed that, depending on the film thickness, electric outputs varied from 60 mV to 300 mV per 4 cm2 area. The thicker the film, the lower the electrical outputs, and vice versa. Moreover, FTIR-ATR analysis also showed that no chemical modification was made on the surface of starch after casting. Therefore, starch remained unmodified at the time of characterization, being this performance proper of a pristine starch. In addition, though organic starch isolation, fabrication of the proposed TENG was entirely handmade, thus avoiding use of complex equipment of nano- and micro-fabrication which resulted in the development of an eco-friendly TENG with very good performance according to the state-of-the-art.

Keywords

biomaterialdielectricnanostructuremicrostructureenergy generation

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Type
Articles
Information
MRS Advances , Volume 4 , Issue 23: Biomaterials and Soft Materials , 2019, pp. 1315 - 1320
Copyright
Copyright © Materials Research Society 2018 

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