CdTe-based solar cells have long been of interest for terrestrial usage because of their high potential conversion efficiency (in the range of 18–24%) with low-cost manufacturability and concern over environmental effects . In order to conserve material and address environmental pollution concerns as...
Thin film solar cells based on CdS/CdTe hetero-structure has shown a drastic improvement changing from 16.5 to 22.1% efficiency during a short period of time from ~2013 to ~2016. This has happened in the industrial environment and the open research in this field has stagnated over a period ...
The resistivities of CdS were decreased by doping boron from 104to 101order(Ω - cm) and the critical amount of dopant was 5 × 10−.mol % 展开 关键词: solar energy materials science cadmium sulfides chemical coating cadmium sulfide solar cells optical properties phase studies electric ...
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The broad-spectrum J-V data was fit to a parallel diode model in order to extract diode parameters. Analysis reveals the existence of two junction transport mechanisms. The first is an intensity-independent recombination process, dominant at high bias levels under low illumination intensity. The ...
In order to locate the Cu spatially, we prepared TEM cross-sections and performed analytical electron microscopy at the Electron Microbeam Analysis Laboratory (EMAL) at the University of Michigan, to obtain high-resolution electron microscopy (HREM) imaging with a point-to-point resolution of 1.7 ...
CdCl2, CuCl2 and propylene glycol on a glass substrate and sintering in a nitrogen atmosphere, to investigate the effects of copper doping on the window properties of all-polycrystalline CdS/CdTe heterojunction solar cells. The variations of carrier concentration as a function of the amount of cop...
CspA, the major cold shock protein of Escherichia coli, negatively regulates its own gene expression. When the gene for CspA, the major cold shock protein of Escherichia coli, was disrupted by a novel positive/negative selection method, the deltacspA cells did not show any discernible growth ...
All types of solar cells were fabricated in a superstrate configuration. The thickness of ZnSe and ZnTe layers was varied in order to adjust the solar cell performance. A similar cadmium chloride solution for the treatment of a CdTe layer with an elevated temperature air annealing of the ...