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Cu2ZnSnS4 (CZTS) thin films were prepared by annealing of spin-coated CZTS precursors. The CZTS precursors contain copper chloride, zinc chloride, tin chloride, thiourea and then were deposited on soda lime glass (SLG) and molybdenum-coated low-alkali glass substrates. The precursors were then annealed at 550 °C in different atmosphere. CZTS thin film annealed at 10 Torr with continuous flow of N2...
In the process of photovoltaic energy conversion, photons with the energy below the band-gap cannot be absorbed and do not contribute to energy conversion. Frequency up-conversion describes the conversion of low energy incident photons towards higher energy photons via active materials. Two-photon absorption induced fluorescence is one of the approaches that convert low energy incident photons towards...
Frequency up-conversion describes the conversion of low energy incident photons towards higher energy photons via active material. Two-photon absorption is one of the approaches for this strategy which can improve the efficiency in the solar cell. In this report, the molecular structures were designed from the symmetrical grafting of two elongated conjugated linker on a conjugated core and then adding...
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