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Beilstein J. Nanotechnol. 2024, 15, 57–70, doi:10.3762/bjnano.15.6
Figure 1: SEM micrographs of freeze-dried nanostructures of pure (a, d) and composite hydrogel samples: Hgel-...
Figure 2: EDS analysis of hydrogel composites: Hgel-MCO (a, d, g), Hgel-MCO-cCB 1:3 (b, e, h), Hgel-MCO-cCB 1...
Figure 3: Transmittance plot in the function of wavenumber based on absorbance data from FTIR-ATR spectra of ...
Figure 4: Analysis of electrical properties of hydrogel-based samples with catalyst (M CO) and conductive (cC...
Figure 5: Catalytic activity in the OER process of MCO particles dispersed in the hydrogel: a) polarisation c...
Figure 6: Scheme of hydrogel polymerisation process with electrocatalyst and conductive carbon particles.
Figure 7: System for measuring electrical properties of hydrogel-based samples with catalyst (MCO) and conduc...
Beilstein J. Nanotechnol. 2023, 14, 420–433, doi:10.3762/bjnano.14.34
Figure 1: Chronoamperometric graphs recorded during electrochemical deposition of the catalysts on nickel foa...
Figure 2: SEM images and corresponding EDX maps of NiFe (a), NiFe-GO (b), CoNiFe (c), and CoNiFe-GO (d) depos...
Figure 3: Normalized XAS spectra (a–d) and XRD patterns (e) of NiFe, CoNiFe, NiFe-GO, and CoNiFe-GO.
Figure 4: XPS high-resolution spectra of Ni 2p (a), Fe 2p (b), Co 2p (c), and C 1s (d) levels of the catalyst...
Figure 5: Linear scan voltammetry profiles (a) with corresponding evolutions of the OER overpotential η (10 m...
Figure 6: Linear scan voltammetry profiles (a) with corresponding Tafel plots (b) and evolution of the OER ov...
Figure 7: Linear scan voltammetry profiles (a) with corresponding Tafel plots (b) and evolution of the OER ov...
Figure 8: Chronopotentiometric curves recorded in aqueous solution of 1 M KOH at 10 mA∙cm−2geo (a) and SEM im...