نتایج جستجو برای: egoism
تعداد نتایج: 582 فیلتر نتایج به سال:
Photon recycling, that is, iterative self-absorption and re-emission by the photoactive layer itself, has been speculated to contribute to the high open-circuit voltage in several types of high efficiency solar cells. For organic-inorganic halide perovskites that have yielded highly efficient photovoltaic devices, however, it remains unclear whether the photon recycling effect is significant en...
The relation between tritium content of individual cells and grain count obtained in autoradiographs of squashed cells was investigated. The tissues used were root meristems of Tradescantia paludosa and intestinal epithelium of the mouse. The relation between grain count and tritium content is affected by self-absorption which depends on the thickness of the labeled cell. Therefore, squashed pr...
Over the past two decades, Western political leaders have scripted a more ethical foreign policy, wherein far greater weight is given to protecting the rights and freedoms of extraterritorial citizens. Using the example of arms exports to developing countries, the present paper exposes the organized hypocrisy underlying countries’ self-declared ethical turn. We show that the major Western arms ...
BaMnF4 microsheets have been prepared using a hydrothermal method. Strong room-temperature blue-violet photoluminescence has been observed (an absolute luminescence quantum yield of 67%) with two peaks located at 385 nm and 410 nm. More interestingly, photon self-absorption phenomenon has been observed, leading to an unusual abrupt decrease in the luminescence intensity at a wavelength of 400 n...
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