Chemical resistance properties of molybdenum back electrodes used in non-vacuum Cu(In,Ga)Se 2 thin film solar cell

Research output: Contribution to journalArticle

Abstract

The first step in fabricating copper-indium-gallium-diselenium solar cells (CIGS) is to deposit a thin film of molybdenum (to serve as the back electrode), on a glass substrate. Prior to depositing the absorption layer, the surface of the Mo back electrode is cleaned with acetone; however, this may cause the electrode to separate from the substrate. The aim of this study was to discover the specific cause of the separation, and arrive at a solution to correct this behavior. The result is a thin film comprising crystals of different sizes and orientations. Optimal results were obtained when the bi-layer Mo electrode was deposited on a substrate heated to a temperature of 373 K.

Original languageEnglish
Pages (from-to)2136-2139
Number of pages4
JournalVacuum
Volume86
Issue number12
DOIs
Publication statusPublished - 2012 Jul 20

Fingerprint

Molybdenum
Chemical resistance
molybdenum
solar cells
Electrodes
electrodes
thin films
Substrates
Thin films
Gallium
Indium
causes
Acetone
Crystal orientation
acetone
gallium
indium
Copper
Solar cells
Deposits

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

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title = "Chemical resistance properties of molybdenum back electrodes used in non-vacuum Cu(In,Ga)Se 2 thin film solar cell",
abstract = "The first step in fabricating copper-indium-gallium-diselenium solar cells (CIGS) is to deposit a thin film of molybdenum (to serve as the back electrode), on a glass substrate. Prior to depositing the absorption layer, the surface of the Mo back electrode is cleaned with acetone; however, this may cause the electrode to separate from the substrate. The aim of this study was to discover the specific cause of the separation, and arrive at a solution to correct this behavior. The result is a thin film comprising crystals of different sizes and orientations. Optimal results were obtained when the bi-layer Mo electrode was deposited on a substrate heated to a temperature of 373 K.",
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Chemical resistance properties of molybdenum back electrodes used in non-vacuum Cu(In,Ga)Se 2 thin film solar cell. / Shen, Chia Huang; Lin, Yi Cheng; Liu, Wang Lin.

In: Vacuum, Vol. 86, No. 12, 20.07.2012, p. 2136-2139.

Research output: Contribution to journalArticle

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