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  1. Hatta FF, Mohammad Haniff MAS, Ambri Mohamed M
    ACS Omega, 2024 Feb 06;9(5):5608-5615.
    PMID: 38343971 DOI: 10.1021/acsomega.3c07952
    Triboelectric nanogenerators (TENGs) have been developed as promising energy-harvesting devices to effectively convert mechanical energy into electricity. TENGs use either organic or inorganic materials to initiate the triboelectrification process, followed by charge separation. In this study, a high-performance composite-based triboelectric nanogenerator (CTENG) device was fabricated, comprising polydimethylsiloxane (PDMS) as a polymeric matrix, barium titanite (BTO) nanopowders as dielectric fillers, and graphene quantum dots (GQDs) as conductive media. The PDMS/BTO/GQD composite film was prepared with GQDs doped into the mixture of PDMS/BTO and mechanically stirred. The composition of the GQD varied from 0 to 40 wt %. The composite was spin-coated onto flexible ITO on a PET sheet and dried in an oven at 80 °C for 24 h. The output performance of TENGs is enhanced by the increased concentration of 30 wt % GQD, which is 2 times higher than nanocomposite films without GQD. The PDMS/BTO/G30 TENG film depicted an increase in open-circuit voltage output (VOC), short-circuit current output (ISC), and power density reaching ∼310.0 V, ∼23.0 μA, and 1.6 W/m2, respectively. The simple and scalable process for the PDMS/BTO/GQD TENGs would benefit as a sustainable energy-harvesting system in small electronic devices.
  2. Hatta FF, Mohammad Haniff MAS, Ambri Mohamed M
    ACS Omega, 2024 Apr 09;9(14):16876.
    PMID: 38617648 DOI: 10.1021/acsomega.4c01247
    [This corrects the article DOI: 10.1021/acsomega.3c07952.].
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