2021
DOI: 10.1016/j.nanoen.2021.106419
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Bismuth oxyhalide based photo-enhanced triboelectric nanogenerators

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Cited by 33 publications
(28 citation statements)
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“…S1, ESI †) induces an upshift of the surface potential, which is indicative that wrt to the negative tip, the electronic charge exits the grounded Au/ITO substrate. 17,32 This is aided by the difference in the Fermi levels between the Au and ITO, which leads to the formation of a relatively small barrier height (j SB B 0.7 eV). This allows the injection of hot electrons into the ITO substrate and thus leaves the Au positively charged owing to electronic depletion.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…S1, ESI †) induces an upshift of the surface potential, which is indicative that wrt to the negative tip, the electronic charge exits the grounded Au/ITO substrate. 17,32 This is aided by the difference in the Fermi levels between the Au and ITO, which leads to the formation of a relatively small barrier height (j SB B 0.7 eV). This allows the injection of hot electrons into the ITO substrate and thus leaves the Au positively charged owing to electronic depletion.…”
Section: Resultsmentioning
confidence: 99%
“…For such KPFM measurements, a Pt-coated Si tip (Nanosensor PPP-EFM) with a stiffness constant k of 2.8 N m À1 was used. Similar to our earlier work, 17 the photoexcitation KPFM measurements were carried out using bottom illumination via a white light LED with a l cut-off of 400 nm and a broadband response centred at B550 nm, which was focused using a 20Â objective lens with an overall spot size of B300 mm.…”
Section: Photo-kpfm Measurementsmentioning
confidence: 99%
“…46 Figure 3(a) shows the generation of a positive SPV on an n-type semiconductor surface, where photogenerated electrons and holes drift toward the bulk and the surface, respectively. 47 Thus, the charge separation process leads to changes in the surface potential of both surfaces with positive charges. 48 Figure 3(b) shows that compared to the dark condition, the relative local surface potential of the sample increased from 0 to 252 mV under 365 nm illumination.…”
Section: Methodsmentioning
confidence: 99%
“…The output performance of TENG is heavily dependent on the surface charge density of the friction material. [23][24][25] Hence, it becomes important to control the interface charge density by changing the properties of friction materials. [16,26,27] The most robust consensus related to ionic-hydrogel-based triboelectric nanogenerator (TENG) is that the charge density at the solid interface plays a pivotal role in its output performance.…”
Section: Introductionmentioning
confidence: 99%
“…The output performance of TENG is heavily dependent on the surface charge density of the friction material. [ 23–25 ] Hence, it becomes important to control the interface charge density by changing the properties of friction materials. [ 16,26,27 ]…”
Section: Introductionmentioning
confidence: 99%