Thickness Optimization of ZnO/CdS/CdTe Solar Cell by Numerical Simulation

Devanshi Parashar; V. S. Ganesha Krishna; Sahana Nagappa Moger; Rashmitha Keshav; M. G. Mahesha

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자료유형: 학술저널

저자정보: Devanshi Parashar (Manipal Institute of Technology) V. S. Ganesha Krishna (Manipal Institute of Technology) Sahana Nagappa Moger (Manipal Institute of Technology) Rashmitha Keshav (Manipal Institute of Technology) M. G. Mahesha (Manipal Institute of Technology)

저널정보: 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제21권 제6호

발행연도: 2020.1

수록면: 587 - 593 (7page)

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CdTe based solar cells with high effi ciency alternative to solar cells from elemental semiconductors is an important work carried out over the decades. However, the research has not yet yielded the highest possible effi ciency with CdTe absorber. Selection of suitable window layer and optimizing the thickness of the diff erent layers is still a quest in researchers. Numerical simulation of the diff erent material combinations can speed up the research work. In this regard, numerical simulation is an essential tool to fi nd the optimized structure for the enhanced device performance. In the present work, the thicknesses of window and absorber layers, one of the crucial factors that aff ect the solar cell performance, are tuned for ZnO/CdS/CdTe system. In case of CdS/CdTe solar cells, spectral loss created by CdS lowers the cell effi ciency. Concept of bilayer window is useful to minimize the loss at window layer. Hence the ZnO/CdS bilayer window is adopted and demonstrated that the cell effi ciency can be increased up to 17.66% with current density of 28.4 mA/cm 2 and 73.7% fi ll factor.

#wxAMPS #Solar cell #Bilayer window #Chalcogenides #CdTe

참고문헌 (25)

참고문헌 신청

P. S. Mbule / 2013 / Eff ects of particle morphology of ZnO buff er layer on the performance of organic solar cell devices / Sol. Energy Mater. Sol. Cells 112:6~12

S. Paul / 2018 / Investigation of the comparative photovoltaic performance of n-ZnO nanowire/p-Si and n-ZnO nanowire/p-CuO heterojunctions grown by chemical bath deposition method / Optik 164:745~752

G. Kartopu / 2018 / Photovoltaic performance of CdS/CdTe junctions on ZnO nanorod arrays / Sol. Energy Mater. Sol. Cells 176:100~108

A.A. Ojo / 2018 / Optimisation of pH of the CdCl2 + Ga2(SO4)3 activation step of CdS/CdTe based Thin-Film solar cells / Sol. Energy 170:398~405

J. Han / 2013 / Preparation and characterization of ZnS/CdS bi-layer for CdTe solar cell application / J. Phys. Chem. Solids 74(12):1879~1883

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