Electrodeposition of stoichiometric CdTe thin film for photovoltaic application

H. Y. Ueng; S. Y. Yang

doi:10.1063/1.3670409

Electrodeposition of stoichiometric CdTe thin film for photovoltaic application

H. Y. Ueng^*, S. Y. Yang

^*Corresponding author for this work

Department of Electronic Engineering

Fortune Institute of Technology, Taiwan

Research output: Contribution to journal › Journal Article › peer-review

5 Scopus citations

Abstract

Theoretical model based on the Buler-Volmer equation was developed to obtain the potential of perfect stoichiometry (PPS) under a variety of deposited conditions, and results were confirmed experimentally. It also shows that the stoichiometric deviation of CdTe thin film can be controlled accurately. The simulation of electrodeposited process for CdTe was conditioned in the acidic electrolyte containing reducible ions of Cd ²⁺ and HTeO ₂ ⁺. Based on the simulated predictions, well-connected granular CdTe thin films were deposited at PPS. Due to near stoichiometric sample shows slightly p-type, the concentration of HTeO ₂ ⁺ ion was then decrease to reach more intrinsic condition under the PPS applied. Particularly, the p-type, near i-type and n type of CdTe thin films can be electrodeposited se-quentially. The thickness of each layers deposited was achieved by varying the applied potential with different deposited time.

Original language	English
Article number	011605
Journal	Journal of Renewable and Sustainable Energy
Volume	4
Issue number	1
DOIs	https://doi.org/10.1063/1.3670409
State	Published - 01 01 2012

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title = "Electrodeposition of stoichiometric CdTe thin film for photovoltaic application",

abstract = "Theoretical model based on the Buler-Volmer equation was developed to obtain the potential of perfect stoichiometry (PPS) under a variety of deposited conditions, and results were confirmed experimentally. It also shows that the stoichiometric deviation of CdTe thin film can be controlled accurately. The simulation of electrodeposited process for CdTe was conditioned in the acidic electrolyte containing reducible ions of Cd 2+ and HTeO 2 +. Based on the simulated predictions, well-connected granular CdTe thin films were deposited at PPS. Due to near stoichiometric sample shows slightly p-type, the concentration of HTeO 2 + ion was then decrease to reach more intrinsic condition under the PPS applied. Particularly, the p-type, near i-type and n type of CdTe thin films can be electrodeposited se-quentially. The thickness of each layers deposited was achieved by varying the applied potential with different deposited time.",

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N2 - Theoretical model based on the Buler-Volmer equation was developed to obtain the potential of perfect stoichiometry (PPS) under a variety of deposited conditions, and results were confirmed experimentally. It also shows that the stoichiometric deviation of CdTe thin film can be controlled accurately. The simulation of electrodeposited process for CdTe was conditioned in the acidic electrolyte containing reducible ions of Cd 2+ and HTeO 2 +. Based on the simulated predictions, well-connected granular CdTe thin films were deposited at PPS. Due to near stoichiometric sample shows slightly p-type, the concentration of HTeO 2 + ion was then decrease to reach more intrinsic condition under the PPS applied. Particularly, the p-type, near i-type and n type of CdTe thin films can be electrodeposited se-quentially. The thickness of each layers deposited was achieved by varying the applied potential with different deposited time.

AB - Theoretical model based on the Buler-Volmer equation was developed to obtain the potential of perfect stoichiometry (PPS) under a variety of deposited conditions, and results were confirmed experimentally. It also shows that the stoichiometric deviation of CdTe thin film can be controlled accurately. The simulation of electrodeposited process for CdTe was conditioned in the acidic electrolyte containing reducible ions of Cd 2+ and HTeO 2 +. Based on the simulated predictions, well-connected granular CdTe thin films were deposited at PPS. Due to near stoichiometric sample shows slightly p-type, the concentration of HTeO 2 + ion was then decrease to reach more intrinsic condition under the PPS applied. Particularly, the p-type, near i-type and n type of CdTe thin films can be electrodeposited se-quentially. The thickness of each layers deposited was achieved by varying the applied potential with different deposited time.

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Electrodeposition of stoichiometric CdTe thin film for photovoltaic application

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