What are preprints?

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https://youtu.be/2zMgY8Dx9co What is a preprint? (Science communication Tool)   Preprint vs traditional paper submission.  When I was pursuing my bachelor's degree I went to a research center and the first thing I read there was "Science that is not shared is not science" then I had the opportunity to enter this fascinating world of thinkers, conquers or discoverers.    But, How to share science? There are two ways one is peer review paper manuscript where you are reporting to science community your research this way time schedule is important In my experience  1 year of research is resume in a…

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Video: Analysis of techniques for measuring carrier recombination lifetime

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Author:  Dr. Richard K. Ahrenkiel is a Research Professor of Metallurgical and Materials Engineering at the Colorado School of Mines in Golden, Colorado. Abstract Rapid, accurate and contactless measurement of the recombination lifetime is a very important activity in photovoltaics. The excess carrier lifetime (Δn(t)) is the most critical and variable parameter in the development of photovoltaic materials. Device performance can be accurately predicted from the lifetime measurement of the starting material. However, there is no single measurement that directly measures the bulk lifetime as all measurements are based on a device model. A primary issue is that the lifetime is…

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