Na-doped Mo target sputtering for Cu(In,Ga)Se2 thin film solar cells

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study employed a Mo-5 % Na thin film on a soda-lime glass substrate as the bottom layers of a Mo back contact using a sputtering process to achieve large area Cu(In,Ga)Se2 (CIGS) cells application and uniform distribution. Our results demonstrate that increasing the ratio of Mo-5 % Na to Mo film thickness (R %) from 0 to 11 % enhanced the crystallinity of the deposited bi-layer Mo film, thereby increasing surface roughness and slightly reducing resistivity. Following selenization, optimal CIGS crystalline characteristics appeared when R % = 8 % (sodium content = 1.57 at.%), such that secondary phases were not generated, and the surface and depth distribution of sodium were uniform.

Original languageEnglish
Pages (from-to)514-519
Number of pages6
JournalJournal of Materials Science: Materials in Electronics
Volume24
Issue number2
DOIs
Publication statusPublished - 2013 Jan 1

Fingerprint

Sputtering
solar cells
sputtering
Sodium
sodium
calcium oxides
thin films
Lime
Film thickness
crystallinity
surface roughness
film thickness
Surface roughness
Crystalline materials
Glass
Thin films
electrical resistivity
glass
Substrates
cells

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Na-doped Mo target sputtering for Cu(In,Ga)Se2 thin film solar cells",
abstract = "This study employed a Mo-5 {\%} Na thin film on a soda-lime glass substrate as the bottom layers of a Mo back contact using a sputtering process to achieve large area Cu(In,Ga)Se2 (CIGS) cells application and uniform distribution. Our results demonstrate that increasing the ratio of Mo-5 {\%} Na to Mo film thickness (R {\%}) from 0 to 11 {\%} enhanced the crystallinity of the deposited bi-layer Mo film, thereby increasing surface roughness and slightly reducing resistivity. Following selenization, optimal CIGS crystalline characteristics appeared when R {\%} = 8 {\%} (sodium content = 1.57 at.{\%}), such that secondary phases were not generated, and the surface and depth distribution of sodium were uniform.",
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Na-doped Mo target sputtering for Cu(In,Ga)Se2 thin film solar cells. / Lin, Yi-Cheng or Y. C.; Tu, Y. Y.; Shen, Chih-Hsiung.

In: Journal of Materials Science: Materials in Electronics, Vol. 24, No. 2, 01.01.2013, p. 514-519.

Research output: Contribution to journalArticle

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AB - This study employed a Mo-5 % Na thin film on a soda-lime glass substrate as the bottom layers of a Mo back contact using a sputtering process to achieve large area Cu(In,Ga)Se2 (CIGS) cells application and uniform distribution. Our results demonstrate that increasing the ratio of Mo-5 % Na to Mo film thickness (R %) from 0 to 11 % enhanced the crystallinity of the deposited bi-layer Mo film, thereby increasing surface roughness and slightly reducing resistivity. Following selenization, optimal CIGS crystalline characteristics appeared when R % = 8 % (sodium content = 1.57 at.%), such that secondary phases were not generated, and the surface and depth distribution of sodium were uniform.

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