د.عبد الحكيم علي جنقيرد.عبد الحميد علي الصقري2024-11-272024-11-27https://dspace.academy.edu.ly/handle/123456789/401DEDICATION To the soul of my father (may God have mercy on him) who taught me the love of science and knowledge, to all the members of my family who were the best help to me, to my kids for whom I was busy with this work, I dedicate this work to all of youAbstract One of the solutions for the global energy crisis is the developing the efficiency of power conversion for the renewable energy resources such as solar cells, this study focus on organic solar cells, for their characteristics, like easy production process, their materials are environmental friendly, low cost, light weight of this type of solar cells, the aims of study were measuring the most important of parameters that controlling in the whole cell performance by simulation models, such as open circuit voltage, power conversion efficiency, fill factor, short circuit current, maximum power produced by the cells, and study of current-voltage curves for three models of the organic solar cell, with specifying the optimum range for the photons absorption, the parameters calculated during the variation of active layer thickness, the results shows close values in some parameters, and clear difference in others, that enable us to predicting the appropriate thickness of active layer with the selected materials. Keywords: Organic solar cells, semiconductive polymers, simulation models, cell efficiency, fill factor, maximum power.Synthesis and Evaluating of the Organic Solar Cells Made by Using Conjugated Polymers (PEDOT/PSS) with Zink Oxide and Poly 3-hexylthiophene