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Beilstein J. Nanotechnol. 2019, 10, 2238–2250, doi:10.3762/bjnano.10.216
Figure 1: a) OPV structure. FM: Field’s metal (Bi, In, Sn); b) Chemical structure of PTB7 and PC71BM.
Figure 2: a) and b) TEM images of the FeS2 NCs at the 50 and 100 nm scale and c) size distribution of the NCs....
Figure 3: a) STM image of FeS2 deposited on HOPG substrate (thickness ≈20 nm) with 50 nm × 50 nm scan size an...
Figure 4: a) Cyclic voltammograms of ITO (reference, black) and FeS2 NCs in TBAPF6 0.1 M at 100 mV s−1 (blue:...
Figure 5: a) UV–vis absorption and b) FTIR spectra of the blend PTB7:PC71BM at different FeS2 concentrations:...
Figure 6: a) J–V curves and b) EQE of PTB7:PC71BM-based devices with different concentrations of FeS2: 0.0, 0...
Figure 7: 2D (left) and 3D (right) AFM images of the OPVs with different concentrations of FeS2 (a) 0.0 wt %,...
Figure 8: Impedance spectroscopy measurements (filled color squares) and simulations (black lines) of a) PTB7...
Figure 9: Electrical parameters of the OPVs as a function of FeS2 NC content: a) PCE (black curve), Jsc (blue...
Beilstein J. Nanotechnol. 2014, 5, 1542–1552, doi:10.3762/bjnano.5.166
Figure 1: X-ray patterns of copper sulfide synthesized in organic solution at a) 230 and 220 °C, the chalcoci...
Figure 2: TEM images of copper sulfide synthesized in organic solution at a) 220, b) 230, c) 240 and d) 260 °...
Figure 3: HRTEM image of copper sulfide obtained from synthesis in an organic solvent. The inset figures disp...
Figure 4: Absorbance of copper sulfide nanocrystals synthesized in an aqueous solution and in an organic solv...
Figure 5: Direct band gaps of copper sulfide in a) amorphous phase obtained by aqueous synthesis and b) cryst...
Figure 6: Square resistance of copper sulfide films synthesized in an aqueous solution (left) and in organic ...
Figure 7: Photoconductivity of copper sulfide films, synthesized in both aqueous and organic media. Only the ...
Figure 8: Scheme of the phase-transition mechanism from chalcocite to digenite and the formation of the respe...