Transformation of ZnS microspheres to non-centrosymmetric nanoplates for the fabrication of flexible piezoelectric nanogenerators: Electrode surface area modification for boosting the output performance
Source abstract
Abstract
We report the transformation of ZnS particles from microsphere to 2D nanoplate having a non-centrosymmetric phase by optimizing growth parameters of hydrothermal method, and fabrication of flexible piezoelectric nanogenerators (PENGs). ZnS nanoplates-based PENG showed maximum open circuit voltage and short circuit current of ∼ 3.8 V and 1.8 μA, respectively. Thereafter, surface of aluminium (Al) electrode was modified by making parallel and cross-parallel lines using a cost-effective technique. Surface-modified Al-electrode-based PENG device generated ∼ 6.6 and 2.5 times higher open circuit voltage and short circuit current, respectively, with a power density of ∼ 41.5 μWcm −2 . This device was successfully used as portable electronics by flashing 15 red LEDs after charging a 1 μF capacitor up to 7.1 V in 75 s. Furthermore, the device exhibited noticeable electric output signals under various kinds of human body motions, which makes it a promising candidate for self-powered wearable sensor applications.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Tactile and Sensory Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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