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1 article(s) from Maldonado, José-Luis

Nontoxic pyrite iron sulfide nanocrystals as second electron acceptor in PTB7:PC₇₁BM-based organic photovoltaic cells

Olivia Amargós-Reyes,
José-Luis Maldonado,
Omar Martínez-Alvarez,
María-Elena Nicho,
José Santos-Cruz,
Juan Nicasio-Collazo,
Irving Caballero-Quintana and
Concepción Arenas-Arrocena

Beilstein J. Nanotechnol. 2019, 10, 2238–2250, doi:10.3762/bjnano.10.216

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Figure 1: a) OPV structure. FM: Field’s metal (Bi, In, Sn); b) Chemical structure of PTB7 and PC₇₁BM.

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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....

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Figure 3: a) STM image of FeS₂ deposited on HOPG substrate (thickness ≈20 nm) with 50 nm × 50 nm scan size an...

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Figure 4: a) Cyclic voltammograms of ITO (reference, black) and FeS₂ NCs in TBAPF₆ 0.1 M at 100 mV s⁻¹ (blue:...

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Figure 5: a) UV–vis absorption and b) FTIR spectra of the blend PTB7:PC₇₁BM at different FeS₂ concentrations:...

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Figure 6: a) J–V curves and b) EQE of PTB7:PC₇₁BM-based devices with different concentrations of FeS₂: 0.0, 0...

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Figure 7: 2D (left) and 3D (right) AFM images of the OPVs with different concentrations of FeS₂ (a) 0.0 wt %,...

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Figure 8: Impedance spectroscopy measurements (filled color squares) and simulations (black lines) of a) PTB7...

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Figure 9: Electrical parameters of the OPVs as a function of FeS₂ NC content: a) PCE (black curve), J_sc (blue...

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Published 14 Nov 2019

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Nontoxic pyrite iron sulfide nanocrystals as second electron acceptor in PTB7:PC71BM-based organic photovoltaic cells

Nontoxic pyrite iron sulfide nanocrystals as second electron acceptor in PTB7:PC₇₁BM-based organic photovoltaic cells