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Background
Breast milk contains important nutrients and immunoregulatory factors that are essential for newborn infants. Recently, epidemiological studies suggested that breast‐feeding prevents a wide range of infectious diseases and lowers the incidence of infant allergic diseases.
Methods
To examine the effects of breast milk on immunological development in infancy, we established an artificial...
Enhancing Jsc of solar cells consisting of mixed metal perovskite, MASn0.5Pb0.5I3 (SnPb PVK), is reported. The SnPb PVK was prepared from Pbt/SnL· mixture or SnI2(DMSO)2/PbI2(DMSO)2 mixture, where these PVK are abbreviated as SnPb-A PVK and SnPb-B PVK, respectively. Urbach energy's sharpness factor (σ) for SnPb-B PVK was 1.5 which was higher than 0.5 for SnPb-A PVK, suggesting that the SnPb-B PVK...
We found that the Sn halide perovskite became stable in air when Pb halide perovskite was added. In this report we discuss photovoltaic performances for the binary MASnPbI (MA:methylammonium) perovskite solar cells (4.2% efficiency) with gradient structure from the bottom to the top. In addition, we also reported organic amine free-CsPbI solar cells with about 2–4 % efficiency. Urbach energy measurement...
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