Effect of Absorption Coefficients in Upper Efficiency Limit of Intermediate Band Solar Cells
Subject Areas :
Majlesi Journal of Telecommunication Devices
Mohammad Ershadi
1
1 - Islamic Azad University, Isfahan Branch, Faculty of Skills and Entrepreneurship
Received: 2023-02-05
Accepted : 2023-04-13
Published : 2023-09-01
Keywords:
band position,
output power reduction,
detailed balance theory,
IBSC,
Abstract :
In this paper the idea of an intermediate band solar cell which increases the efficiency of solar cells is considered. By using quantum dots the idea of intermediate band solar cell can be achieved in acceptable level. Actual results of using quantum dots have been led to decrease efficiency of solar cell. The effect of absorption coefficients on upper limit of efficiency in special type of solar cell is focus in this paper the main factors which have most impact on the upper limit of efficiency of our position of intermediate bands and consequently the structure of quantum dots. Furthermore, the changes in cell characteristics, quantum dots type, quantum dots structure, and even polarization of the incident light can change the upper limit of efficiency. Changes distances layers of quantum dots create different results for different polarization of light for upper limit of efficiency. Using the results of this research can be a way to new research in the field of solar cells with quantum dots and the optimum use of solar cells will be useful.
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