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Preparation of Alginate/Graphene Oxide Hybrid Films and Their Integration in Triboelectric Generators
Author(s) -
Valentini Luca,
Rescignano Nicoletta,
Puglia Debora,
Cardinali Marta,
Kenny Josè
Publication year - 2015
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201402610
Subject(s) - graphene , raman spectroscopy , oxide , scanning electron microscope , chemistry , chemical engineering , nanocomposite , indium tin oxide , nanotechnology , fourier transform infrared spectroscopy , triboelectric effect , materials science , thin film , composite material , organic chemistry , optics , physics , engineering
Sodium alginate/graphene oxide (Al/GO) nanocomposite films were prepared by solvent casting. The structure, morphology, and electrical properties of Al/GO films were characterized by Fourier transform infrared spectroscopy, Raman spectroscopy, scanning electron microscopy, and thermal analysis. The utilization of such an Al/GO film for a device that uses friction as the charging process to convert mechanical energy into electric power is reported. The triboelectric generator (TEG) was fabricated by stacking a drop‐cast Al/GO film bewteen indium–tin oxide (ITO)‐coated poly(ethylene terephthalate) (PET) and a PET sheet. Furthermore, the utilization of such a TEG as a pressure sensor is also illustrated.
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