In situ monitoring of electrophoretic deposition of Cu 2ZnSnS4 nanocrystals

Kai Kornhuber, Jaison Kavalakkatt, Xianzhong Lin, Ahmed Ennaoui, Martha Ch Lux-Steiner

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Cu2ZnSnS4 (CZTS) nanocrystal (NC) layers were deposited successfully by electrophoretic deposition (EPD) on molybdenum and fluorine doped tin oxide coated glass substrates. This approach combines a non-vacuum coating technique known for its industrial eligibility to a solar absorber material consisting solely of non-toxic and earth abundant elements. CZTS NC layers with thicknesses between 200 nm and 1.5 μm were formed in 0.5 to 1 min while the NC dispersion, consisting of organic solvents, depleted entirely. Therefore the layer thickness can be controlled by varying the concentration of NCs in dispersion. Scanning electron microscopy micrographs show compact and homogeneous films. The layers were analyzed by grazing incidence X-ray diffraction, Raman analysis. Optical properties were probed by UV-vis spectroscopy. The dependence of dispersion composition and applied voltage on deposition dynamics and duration was analyzed by the use of an optical monitoring setup. The results open up a route of low cost CZTS thin film fabrication with reduced chemical contamination, fast layer deposition and high raw material use.

Original languageEnglish
Pages (from-to)5845-5850
Number of pages6
JournalRSC Advances
Volume3
Issue number17
DOIs
Publication statusPublished - 7 May 2013
Externally publishedYes

Fingerprint

Nanocrystals
Monitoring
Chemical contamination
Solar absorbers
Molybdenum
Coating techniques
Fluorine
Tin oxides
Ultraviolet spectroscopy
Organic solvents
Raw materials
Optical properties
Earth (planet)
Fabrication
X ray diffraction
Glass
Thin films
Scanning electron microscopy
Electric potential
Substrates

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Kornhuber, K., Kavalakkatt, J., Lin, X., Ennaoui, A., & Lux-Steiner, M. C. (2013). In situ monitoring of electrophoretic deposition of Cu 2ZnSnS4 nanocrystals. RSC Advances, 3(17), 5845-5850. https://doi.org/10.1039/c3ra23093g

In situ monitoring of electrophoretic deposition of Cu 2ZnSnS4 nanocrystals. / Kornhuber, Kai; Kavalakkatt, Jaison; Lin, Xianzhong; Ennaoui, Ahmed; Lux-Steiner, Martha Ch.

In: RSC Advances, Vol. 3, No. 17, 07.05.2013, p. 5845-5850.

Research output: Contribution to journalArticle

Kornhuber, K, Kavalakkatt, J, Lin, X, Ennaoui, A & Lux-Steiner, MC 2013, 'In situ monitoring of electrophoretic deposition of Cu 2ZnSnS4 nanocrystals', RSC Advances, vol. 3, no. 17, pp. 5845-5850. https://doi.org/10.1039/c3ra23093g
Kornhuber, Kai ; Kavalakkatt, Jaison ; Lin, Xianzhong ; Ennaoui, Ahmed ; Lux-Steiner, Martha Ch. / In situ monitoring of electrophoretic deposition of Cu 2ZnSnS4 nanocrystals. In: RSC Advances. 2013 ; Vol. 3, No. 17. pp. 5845-5850.
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