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This book is composed of 6 papers. The first paper reports a novel technique for the selective emitter formation by controlling the surface morphology of Si wafers. Selective emitter (SE) technology has attracted renewed attention in the Si solar cell industry to achieve an improved conversion efficiency of passivated-emitter rear-contact (PERC) cells. In the second paper, the temperature dependence of the parameters was compared through the PERC of the industrial-scale solar cells. As a result of their analysis, PERC cells showed different temperature dependence for the fill factor loss as temperatures rose. The third paper reports the effects of carrier selective front contact layer and de...
Today, the silicon feedstock for photovoltaic cells comes from processes which were originally developed for the microelectronic industry. It covers almost 90% of the photovoltaic market, with mass production volume at least one order of magnitude larger than those devoted to microelectronics. However, it is hard to imagine that this kind of feedstock (extremely pure but heavily penalized by its high energy cost) could remain the only source of silicon for a photovoltaic market which is in continuous expansion, and which has a cumulative growth rate in excess of 30% in the last few years. Even though reports suggest that the silicon share will slowly decrease in the next twenty years, findin...
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Sustainability refers to the concept that all people should be able to meet their basic needs indefinitely, without compromising future generations. Sustainability, in terms of energy, embraces the same principles. One day the world will run out of fossil fuels. We need to realize how important sustainable energy is and its significance when it comes to the future of our planet. Sustainable energy includes any energy source that cannot be depleted and can remain viable forever. It does not need to be renewed or replenished; sustainable energy meets our demand for energy without any risk of failing or running out. This is why sustainable energy is the answer to our energy needs. Furthermore, ...
The results obtained from kinetic studies on reactions in solids often depend on numerous factors. Therefore, it is important for researchers to understand how both chemical factors related to composition and procedural choices may influence outcomes. Dynamic Processes in Solids provides an authoritative overview of reactions in solids and helps readers interpret the results obtained from kinetic studies. In chapters written by active researchers, the reader will learn about choosing appropriate experimental techniques and their limitations for studying various types of reactions. Beginning with an introduction to numerous aspects of rate processes in solids and experimental techniques, info...
Over the last decade, photovoltaic (PV) technology has shown the potential to become a major source of power generation for the world - with robust and continuous growth even during times of financial and economic crisis. That growth is expected to continue in the years ahead as worldwide awareness of the advantages of PV increases. However, cost remains as the greatest barrier to further expansion of PV-generated power, and therefore cost reduction is the prime goal of the PV and solar cell investigation. This book intends to contribute to such a purpose by covering a wide range of modern research topics in the solar cell physics and technology fields. The already established -1st generatio...