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Two n-type conjugated D-A copolymers with perylene diimide (PDI) as acceptor unit and benzodithiophene (BDT) as donor unit, P(PDI-BDT-Ph) and P(PDI-BDT-Th), were synthesized and applied as electron acceptor in all-polymer solar cells (all-PSCs). P(PDI-BDT-Ph) and P(PDI-BDT-Th) films exhibit similar absorption spectra in the visible region with optical bandgap (Eg) of 1.65 eV and 1.55 eV respectively,...
Wide bandgap NaTaO3 nanocrystals (NaTaO3 NCs) were synthesized by a two-step hydrothermal method. The hybrid film based on the pyridine modified NaTaO3 NCs and 1, 3, 5-tri(m-pyrid-3-yl-phenyl) benzene (TmPyPB) was prepared by solution processing at room temperature. Photodetector based on the hybrid film presented selective sensitivity to UV signals with wavelength shorter than 317 nm because the...
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