Although these holes are not visible in the unstretched state, they become evident once the device is stretched, leading to a reduced FF. Nevertheless, the dimensions of the voids are sufficiently small to maintain the high FF, reaching up to 87%, even in the fully stretched state. After ...
If recombination is very strong, equation (6) will overestimate the density of holes. The average density of holes at the cathode side of the layer (0rxrL/2) equals pav ¼ GL2 4mpVint : ð7Þ To verify whether this equation holds, we have performed numerical simulations (see ...
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In the middle of the cycle (5–9 cycles), the specimens exhibited notable changes: After five cycles, the surface holes enlarged, indicating slight damage. After seven cycles, the skin around the specimen completely detached, exposing the internal aggregate and resulting in small cracks at the ...
After packing 5 mm of BCR into the mold in one increment, five (k-type) thermocouples were inserted into the center of the mold through the holes created earlier in the mold. This setup enabled real-time temperature change at each millimetre using a data logger (Huato, Shenzhen, China). ...
During the supplementary survey of karst caves and underground rivers, 11 holes were drilled in the karst cave hall, with a total length of 575.6 m. A total of nine groups of rock samples and two groups of underground river water samples were obtained on site for the experiment. In addition...
During the supplementary survey of karst caves and underground rivers, 11 holes were drilled in the karst cave hall, with a total length of 575.6 m. A total of nine groups of rock samples and two groups of underground river water samples were obtained on site for the experiment. In addition...