Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 55, Issue 40, Pages 10671-10680Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.6b02172
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Funding
- University Grant Commission (UGC), India
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Harvesting mechanical energy from the ambient environment with piezoelectric nanogenerators (PENGs) consisting of piezoelectric nanoparticles (NPs) and flexible polymer has drawn considerable attention for developing self-powered electronic devices. Here, a flexible, lead-free, solution processable PENG, composing piezoelectric ZnSnO3 NPs and plasticized PVC was fabricated by a simple solution casting method. The nanogenerator shows a V-OC of similar to 40 V, a I-SC of similar to 1.4 mu A, and an overall power density more than similar to 3.7 mu W cm(-2) at 35 wt % loading of ZnSnO3, and these values are the highest reported so far in the literature on the cubic ZnSnO3-based nanogenerator. We utilized the generated power for powering seven different color LEDs without any external energy storage unit. Also, the nanogenerator could charge a commercial capacitor (2.2 mu F) to similar to 6.7 V in similar to 129 s, which can be used for powering wristwatch, mobile LCD screen, and calculator.
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