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A p-i-n organic photovoltaic cell with tetrabenzoporphyrin (BP), a BP-C₆₀ dyad and PCBM for the p-, i- and n-layers, respectively, gave a better fill factor and power conversion efficiency than the corresponding p-i-n cell having a 1:1 blend film of BP and PCBM as the i-layer.
This paper presents laser-based tracking of moving objects conducted by a group of mobile robots located near one another. Each robot finds moving objects such as people, cars, and bicycles in its own laser-scanned images using a binarized occupancy-grid-based method. It then sends laser measurements related to the detected moving objects to a central… (More)