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     Research Journal of Applied Sciences, Engineering and Technology

    Abstract
2015(Vol.9, Issue:8)
Article Information:

Theoretical Study and Estimation of Recombination Rate and Photocurrent of Quantum Dot Solar Cell using Homotopy Analysis

B. Murali Babu, M. Madheswaran and K.R. Kavitha
Corresponding Author:  B. MuraliBabu 
Submitted: ‎June ‎20, ‎2014
Accepted: ‎July ‎13, ‎2014
Published: March 15, 2015
Abstract:
The objective of this study is to develop the numerical model of InGaAs QD solar cell to describe the device characteristics. The developed model is based on Homotopy analysis which provides self-consistent and nonlinear solutions to 3D Poisson and Schrodinger equations. The exact potential and energy profile of the quantum dot accounts for the estimation of current under dark condition. The model is used in photocurrent determination of quantum dot solar cell under 1 Sun, 1.5 AM condition over a range of various solar cell parameters such as optical generation life time, quantum dot concentration and number of quantum dot layer. The quantum wavelength and quantum dot layers are used to calculate the photocurrent, recombination rate and conversion efficiency. The photocurrent has achieved its superiority with optimum quantum dot layers and wavelength. The results obtained show that the photocurrent is strongly sensitive to the above dependences and a good agreement with the experimental results was evidenced.

Key words:  Homotopy analysis, poisson equation, quantum dot, schrodinger equation, solar cell, ,
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Cite this Reference:
B. Murali Babu, M. Madheswaran and K.R. Kavitha, . Theoretical Study and Estimation of Recombination Rate and Photocurrent of Quantum Dot Solar Cell using Homotopy Analysis . Research Journal of Applied Sciences, Engineering and Technology, (8): 601-615.
ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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