| 초록 |
In this talk, we compare the charge carrier dynamics in organic solar cells and organic-inorganic hybrid metal halide perovskite solar cells, two leading technologies in thin-film photovoltaics. We discuss the similarities and differences in charge generation, charge separation, charge transport, charge collection and charge recombination in these two technologies, linking these back to the intrinsic materials properties of organic and perovskite semiconductors, and elucidate how these factors impact on photovoltaic device performance. We focus on the charge carrier dynamics in organic photocatalytic nanoparticles for hydrogen evolution. We investigate the mechanism behind the dependence of photocatalytic activity on Pd content for a linear polymer, and place particular emphasis on the effect of Pd on the excited state of the polymer and on the accumulation of long-lived charges during catalysis. We address the novel concept of the organic nanoparticles for visible light absorption and efficient charge separation. |
