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This paper reports the fabrication of three-dimensional porous carbon nanofibers network with high doping level of nitrogen (N, 5.17 at.%) and boron (B, 6.87 at.%) through a general electrospinning strategy followed by a calcination process. The employed ammonia borane (NH3BH3, denote as AB) not only functions as a porogen reagent to generate porous structures but also as the heteroatoms source to...
A fully printable mesoscopic perovskite solar cell with efficiency exceeding 13% is developed based on TiO2/ZrO2/Carbon triple mesoscopic films through controlling critical parameters. Thickness of spacer layer, loading amount and morphology of perovskite, temperature of substrate and precursor are optimized to enhance the light-harvesting ability and reduce the hole transporting resistance. For future...
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