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An organic thin film photovoltaic cell (OPV) consists of many thin layers of quite different materials: glass substrate, transparent electrode such like indium tin oxide (ITO), organic molecules such like copper phthalocyanine (CuPc), fullerene (C60) and metal (Me), etc. Unit structure of the OPV generates voltage less than 0.5V, and thus it is required to construct a module in which the units form...
Bulk GdBa2Cu3O7-delta (Gd123) superconductors were fabricated in air by adding ZrO2/SnO2 nanoparticles with an average size of 50 nm. The effect of addition on microstructure and superconducting properties was investigated by scanning electron microscopy (SEM)/transmission electron microscopy (TEM) and SQUID. SEM results show that the distribution of Gd2BaCuO5 (Gd211) particles is inhomogeneous around...
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