Journal
RSC ADVANCES
Volume 4, Issue 20, Pages 10216-10220Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra47199c
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Science, ICT and Future Planning [2013-068407]
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Triboelectric charge generation and high transparency properties of the nano-patterned PDMS, which was stamped by silicon subwavelength grating structures as a mold, on indium tin oxide (ITO) coated polyethylene terephthalate (PET) were investigated for triboelectric nanogenerators. At visible wavelengths, the nano-patterned PDMS on ITO coated PET (i.e., ITO/PET) exhibited high transmittances of >85%, together with a theoretical analysis using the RCWA simulation. When the ITO/PET was compressed onto the nano-patterned PDMS on ITO/PET, the output voltage and current density were reliably generated with a short interval time of 0.17 s, which yielded -5.2/5.4 V and -0.57/0.74 mu A cm(-2), respectively, under a low external pushing force. The effect of pushing frequency on the output voltage and current density was also investigated.
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