Annealing effects on the chemical deposited CdS films and the electrical properties of CdS/CdTe solar cells

Junfeng Han; Cheng Liao; Tao Jiang; Ganhua Fu; V. Krishnakumar; C. Spanheimer; G. Haindl; Kui Zhao; A. Klein; W. Jaegermann

doi:10.1016/j.materresbull.2010.11.014

Annealing effects on the chemical deposited CdS films and the electrical properties of CdS/CdTe solar cells

Junfeng Han, Cheng Liao^*, Tao Jiang, Ganhua Fu, V. Krishnakumar, C. Spanheimer, G. Haindl, Kui Zhao, A. Klein, W. Jaegermann

^*Corresponding author for this work

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

26 Citations (Scopus)

Abstract

CdS layers grown by chemical bath deposition (CBD) are annealed in the oxygen and argon-hydrogen atmosphere respectively. It has been found that the open circuit voltage of the CdS/CdTe solar cell increases when the CBD CdS is annealed with oxygen before the deposition of CdTe by close spaced sublimation (CSS), while the performance of the solar cell decreases when the CBD CdS is annealed with argon-hydrogen. Electronic properties of the CdS films are investigated using X-ray photo-electron spectroscopy (XPS), which indicates that the Fermi level is shifting closer to the conduction band after annealing in the oxygen and consequently a higher open circuit voltage of the solar cell can be obtained.

Original language	English
Pages (from-to)	194-198
Number of pages	5
Journal	Materials Research Bulletin
Volume	46
Issue number	2
DOIs	https://doi.org/10.1016/j.materresbull.2010.11.014
Publication status	Published - Feb 2011
Externally published	Yes

Keywords

A. Semiconductors
A. Thin films
B. Chemical synthesis
C. Photoelectron spectroscopy
D. Surface properties

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10.1016/j.materresbull.2010.11.014

Cite this

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title = "Annealing effects on the chemical deposited CdS films and the electrical properties of CdS/CdTe solar cells",

abstract = "CdS layers grown by chemical bath deposition (CBD) are annealed in the oxygen and argon-hydrogen atmosphere respectively. It has been found that the open circuit voltage of the CdS/CdTe solar cell increases when the CBD CdS is annealed with oxygen before the deposition of CdTe by close spaced sublimation (CSS), while the performance of the solar cell decreases when the CBD CdS is annealed with argon-hydrogen. Electronic properties of the CdS films are investigated using X-ray photo-electron spectroscopy (XPS), which indicates that the Fermi level is shifting closer to the conduction band after annealing in the oxygen and consequently a higher open circuit voltage of the solar cell can be obtained.",

keywords = "A. Semiconductors, A. Thin films, B. Chemical synthesis, C. Photoelectron spectroscopy, D. Surface properties",

author = "Junfeng Han and Cheng Liao and Tao Jiang and Ganhua Fu and V. Krishnakumar and C. Spanheimer and G. Haindl and Kui Zhao and A. Klein and W. Jaegermann",

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doi = "10.1016/j.materresbull.2010.11.014",

language = "English",

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journal = "Materials Research Bulletin",

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T1 - Annealing effects on the chemical deposited CdS films and the electrical properties of CdS/CdTe solar cells

AU - Han, Junfeng

AU - Liao, Cheng

AU - Jiang, Tao

AU - Fu, Ganhua

AU - Krishnakumar, V.

AU - Spanheimer, C.

AU - Haindl, G.

AU - Zhao, Kui

AU - Klein, A.

AU - Jaegermann, W.

PY - 2011/2

Y1 - 2011/2

N2 - CdS layers grown by chemical bath deposition (CBD) are annealed in the oxygen and argon-hydrogen atmosphere respectively. It has been found that the open circuit voltage of the CdS/CdTe solar cell increases when the CBD CdS is annealed with oxygen before the deposition of CdTe by close spaced sublimation (CSS), while the performance of the solar cell decreases when the CBD CdS is annealed with argon-hydrogen. Electronic properties of the CdS films are investigated using X-ray photo-electron spectroscopy (XPS), which indicates that the Fermi level is shifting closer to the conduction band after annealing in the oxygen and consequently a higher open circuit voltage of the solar cell can be obtained.

AB - CdS layers grown by chemical bath deposition (CBD) are annealed in the oxygen and argon-hydrogen atmosphere respectively. It has been found that the open circuit voltage of the CdS/CdTe solar cell increases when the CBD CdS is annealed with oxygen before the deposition of CdTe by close spaced sublimation (CSS), while the performance of the solar cell decreases when the CBD CdS is annealed with argon-hydrogen. Electronic properties of the CdS films are investigated using X-ray photo-electron spectroscopy (XPS), which indicates that the Fermi level is shifting closer to the conduction band after annealing in the oxygen and consequently a higher open circuit voltage of the solar cell can be obtained.

KW - A. Semiconductors

KW - A. Thin films

KW - B. Chemical synthesis

KW - C. Photoelectron spectroscopy

KW - D. Surface properties

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U2 - 10.1016/j.materresbull.2010.11.014

DO - 10.1016/j.materresbull.2010.11.014

M3 - Article

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SN - 0025-5408

VL - 46

SP - 194

EP - 198

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 2

ER -

Annealing effects on the chemical deposited CdS films and the electrical properties of CdS/CdTe solar cells

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Keywords

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