4 article(s) from Godlewski, Marek
Figure 1: Schematic images of final PV structures studied in this work: (a) SC with ZnONR, (b) planar SC.
Figure 2: Scanning electron microscopy images of zinc oxide nanorods on the silicon surface: (a) top view, (b...
Figure 3: SEM images of ZnO/Si solar cells: (a) modified with nanorods, (b) planar.
Figure 4: Surface morphology of (a, c) textured and (b, d) planar solar cells studied by SEM (top row) and AF...
Figure 5: (a) External quantum efficiency and (b) current voltage characteristics of ZnO/Si solar cells.
Figure 6: Current–voltage–temperature characteristics of (a) textured and (b) planar ZnO/Si solar cells.
Figure 7: Temperature dependence of basics solar cell parameters.
Figure 1: Detailed sequence of GaAs surface-processing steps before the application of the ALD process (the p...
Figure 2: The PV structure used in the experiment.
Figure 3: AFM (left panels), SEM top views (right panels), and cross-sections (insets) of A-type samples (the...
Figure 4: AFM (left panels), SEM top views (right panels), and cross-sections (insets) of B-type samples (the...
Figure 5: (a–h) A2 spectra after 58 (a–d) and 76 min (e–h) of sputtering. (i–p) B1 spectra after 35 (i–l) and...
Figure 6: (a) PL spectra (RT) of the samples of the A series. (b) PL spectra (RT) of the samples of the B ser...
Figure 7: Energy band diagram of the fabricated AZO/Al2O3/p-GaAs devices.
Figure 8: (a) EQE of sulfur-passivated samples (A series). (b) EQE of non-passivated samples (B series).
Figure 9: I–V characteristics of the measured samples of A series (a) and B series (b).
Figure 1: SEM images of ZnO nanopowders in their as-produced (before annealing) state: (a) undoped, (b) doped...
Figure 2: SEM images of annealed ZnO nanopowders after annealing at 800 °C in nitrogen: (a) undoped, (b) dope...
Figure 3: SEM images of annealed ZnO nanopowders after annealing at 800 °C in synthetic air: (a) undoped, (b)...
Figure 4: Dependence between the nominal and experimental Co doping concentration for the samples before anne...
Figure 5: (a) Photographs of the Zn1−xCoxO precursor in ethylene glycol where the color varies with the compo...
Figure 6: XRD patterns for Zn1−xCoxO nanopowders before annealing, with a nominal Co content in solution of 0...
Figure 7: XRD patterns for Zn1−xCoxO nanopowders after annealing at 800 °C in nitrogen. The metallic α-Co pha...
Figure 8: XRD patterns for Zn1−xCoxO nanopowders after annealing at 800 °C in synthetic air. The Co3O4 phase ...
Figure 9: Dependence of the a and c lattice parameter on nominal Co content, in mol % for: (a) preannealed sa...
Figure 10: Fourier transformations of EXAFS oscillations at the Zn K-edge for the as-synthesized NP samples.
Figure 11: Comparison of the Fourier transformations of EXAFS oscillations measured at the Co K-edge for Zn1−x...
Figure 12: The magnetization dependence on the external magnetic field: (a) for as-synthesized Zn1−xCoxO NPs w...
Figure 13: Magnetic susceptibility dependence on temperature for Zn0.85Co0.15O powder: (a) as-synthesized, b) ...
Figure 1: Schematic drawings of the investigated solar cells structure based on zinc oxide nanorods (not to s...
Figure 2: Cross-section and top view (up) SEM images illustrating zinc oxide nanorods grown at different pH v...
Figure 3: Current–voltage characteristics for the ZnO:Al/ZnONR/Si/Al heterostructures measured under dark (to...
Figure 4: SEM images of the three investigated types of structures with different surface morphologies.
Figure 5: External quantum efficiency of the PV structures of samples A, B and C based on zinc oxide nanorods....