Enhancing the performance of electrodeposited CuInSe2 solar cells by suppressing secondary phases using sodium dodecyl sulfate

Pin Kun Hung, Chien Hui Huang, Mau Phon Houng

研究成果: Article

1 引文 (Scopus)

摘要

CuInSe2 thin films were prepared on Mo-coated glass substrates using pulse electrodeposition with an aqueous solution containing sodium dodecyl sulfate (SDS) as an additive. The effect of SDS on the electrochemistry mechanism that inhibits secondary phases (CuxSey) was examined using cyclic voltammetry, which indicated that SDS can inhibit the reduction of Cu2+ and H2SeO3 and prohibit the formation of secondary phases. Scanning electron microscopy and atomic force microscopy revealed that the cracks and roughness of CuInSe2 films decreased considerably after adding SDS into the electrolyte. The suppression of secondary phases was also observed using X-ray diffraction and Raman spectroscopy. The optical bandgap values of the CuInSe2 films were measured using a UV-vis-NIR spectrophotometer; the bandgap values of the films deposited in the electrolyte with 0 and 1 mM SDS were approximately 0.96 and 1.05 eV, respectively. As expected, based on these differences, the CuInSe 2 solar cell with the Al/AZO/i-ZnO/CdS/CuInSe2/Mo/glass structure derived from precursor film deposited in an electrolyte containing SDS demonstrated greater efficiency (η = 2.51 %) than that of the cell derived from precursor film deposited in an electrolyte without SDS (η = 0.63 %).

原文English
頁(從 - 到)1848-1855
頁數8
期刊Journal of Materials Science: Materials in Electronics
25
發行號4
DOIs
出版狀態Published - 2014 四月

指紋

Sodium dodecyl sulfate
sodium sulfates
Sodium Dodecyl Sulfate
Solar cells
solar cells
Electrolytes
electrolytes
Glass
glass
Spectrophotometers
Optical band gaps
Electrochemistry
spectrophotometers
electrochemistry
Electrodeposition
electrodeposition
Cyclic voltammetry
Raman spectroscopy
Atomic force microscopy
Energy gap

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

引用此文

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abstract = "CuInSe2 thin films were prepared on Mo-coated glass substrates using pulse electrodeposition with an aqueous solution containing sodium dodecyl sulfate (SDS) as an additive. The effect of SDS on the electrochemistry mechanism that inhibits secondary phases (CuxSey) was examined using cyclic voltammetry, which indicated that SDS can inhibit the reduction of Cu2+ and H2SeO3 and prohibit the formation of secondary phases. Scanning electron microscopy and atomic force microscopy revealed that the cracks and roughness of CuInSe2 films decreased considerably after adding SDS into the electrolyte. The suppression of secondary phases was also observed using X-ray diffraction and Raman spectroscopy. The optical bandgap values of the CuInSe2 films were measured using a UV-vis-NIR spectrophotometer; the bandgap values of the films deposited in the electrolyte with 0 and 1 mM SDS were approximately 0.96 and 1.05 eV, respectively. As expected, based on these differences, the CuInSe 2 solar cell with the Al/AZO/i-ZnO/CdS/CuInSe2/Mo/glass structure derived from precursor film deposited in an electrolyte containing SDS demonstrated greater efficiency (η = 2.51 {\%}) than that of the cell derived from precursor film deposited in an electrolyte without SDS (η = 0.63 {\%}).",
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AU - Huang, Chien Hui

AU - Houng, Mau Phon

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N2 - CuInSe2 thin films were prepared on Mo-coated glass substrates using pulse electrodeposition with an aqueous solution containing sodium dodecyl sulfate (SDS) as an additive. The effect of SDS on the electrochemistry mechanism that inhibits secondary phases (CuxSey) was examined using cyclic voltammetry, which indicated that SDS can inhibit the reduction of Cu2+ and H2SeO3 and prohibit the formation of secondary phases. Scanning electron microscopy and atomic force microscopy revealed that the cracks and roughness of CuInSe2 films decreased considerably after adding SDS into the electrolyte. The suppression of secondary phases was also observed using X-ray diffraction and Raman spectroscopy. The optical bandgap values of the CuInSe2 films were measured using a UV-vis-NIR spectrophotometer; the bandgap values of the films deposited in the electrolyte with 0 and 1 mM SDS were approximately 0.96 and 1.05 eV, respectively. As expected, based on these differences, the CuInSe 2 solar cell with the Al/AZO/i-ZnO/CdS/CuInSe2/Mo/glass structure derived from precursor film deposited in an electrolyte containing SDS demonstrated greater efficiency (η = 2.51 %) than that of the cell derived from precursor film deposited in an electrolyte without SDS (η = 0.63 %).

AB - CuInSe2 thin films were prepared on Mo-coated glass substrates using pulse electrodeposition with an aqueous solution containing sodium dodecyl sulfate (SDS) as an additive. The effect of SDS on the electrochemistry mechanism that inhibits secondary phases (CuxSey) was examined using cyclic voltammetry, which indicated that SDS can inhibit the reduction of Cu2+ and H2SeO3 and prohibit the formation of secondary phases. Scanning electron microscopy and atomic force microscopy revealed that the cracks and roughness of CuInSe2 films decreased considerably after adding SDS into the electrolyte. The suppression of secondary phases was also observed using X-ray diffraction and Raman spectroscopy. The optical bandgap values of the CuInSe2 films were measured using a UV-vis-NIR spectrophotometer; the bandgap values of the films deposited in the electrolyte with 0 and 1 mM SDS were approximately 0.96 and 1.05 eV, respectively. As expected, based on these differences, the CuInSe 2 solar cell with the Al/AZO/i-ZnO/CdS/CuInSe2/Mo/glass structure derived from precursor film deposited in an electrolyte containing SDS demonstrated greater efficiency (η = 2.51 %) than that of the cell derived from precursor film deposited in an electrolyte without SDS (η = 0.63 %).

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