Journal
ACS APPLIED ELECTRONIC MATERIALS
Volume 4, Issue 7, Pages 3470-3477Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaelm.2c00401
Keywords
piezoelectric; polymers; photosensitive molecular motion; photoinduced; isomerization
Funding
- Kuwait Foundation for Advancement of Sciences [R19-12SL-06]
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Researchers have developed a nanogenerator-based piezoelectric material that can efficiently harvest energy from the environment. This material utilizes a photosensitive molecular motor to convert light energy into mechanical stress, resulting in the generation of electrical current.
Nanogenerator-based piezoelectric materials have been the focus of extensive studies to foster the next generation of autonomous microdevices capable of harvesting energy from their environment with a high rate of efficiency. We developed a piezoelectric nanogenerator capable of converting light energy into electrical current by using a combination of an enhanced piezoelectric nanocomposite (P(VDF-TrFE)-BaTiO3) and a photosensitive molecular motor (pseudo-stilbene derivative) that act as an alternative to external mechanical stress. This approach was based on the ability of these molecular motors to harvest light and convert it into constant mechanical stress via light-induced geometrical changes that provoke a mechanical deformation of the host piezo-nanocomposite, resulting in the appearance of an electrical current.
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