Uniform deposition of ternary chalcogenide nanoparticles onto mesoporous TiO2 film using liquid carbon dioxide-based coating

Eduardus Budi Nursanto, Se Jin Park, Hyo Sang Jeon, Yun Jeong Hwang, Jaehoon Kim, Byoung Koun Min

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We report the simultaneous deposition of two different metal precursors dissolved in liquid carbon dioxide (l-CO2), aiming to the synthesis of ternary chalcopyrite (e.g. CuInS2) nanoparticles on a mesoporous TiO2 film. The l-CO2-based deposition of Cu and In precursors and subsequent reaction with a dilute H2S gas resulted in CuxInySz nanoparticles uniformly deposited across the entire thickness of a mesoporous TiO2 film. Further heat treatment (air annealing and sulfurization) led to the formation of more stoichiometric CuInS2 nanoparticles. The formation of CuInS 2 on TiO2 was confirmed by scanning electron microscopy, high resolution transmission electron microscopy, X-ray diffraction, and Raman spectroscopy. The crystal growth of CuInS2 was also found to be controllable by adjusting the number of coating cycles of the l-CO 2-based deposition.

Original languageEnglish
Pages (from-to)122-127
Number of pages6
JournalThin Solid Films
Volume565
DOIs
Publication statusPublished - 2014 Aug 28

Fingerprint

Liquid films
Carbon Dioxide
carbon dioxide
Carbon dioxide
Nanoparticles
coatings
Coatings
nanoparticles
liquids
Carbon Monoxide
High resolution transmission electron microscopy
Crystallization
Crystal growth
Raman spectroscopy
crystal growth
heat treatment
Gases
Metals
adjusting
Heat treatment

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Uniform deposition of ternary chalcogenide nanoparticles onto mesoporous TiO2 film using liquid carbon dioxide-based coating. / Nursanto, Eduardus Budi; Park, Se Jin; Jeon, Hyo Sang; Hwang, Yun Jeong; Kim, Jaehoon; Min, Byoung Koun.

In: Thin Solid Films, Vol. 565, 28.08.2014, p. 122-127.

Research output: Contribution to journalArticle

Nursanto, Eduardus Budi ; Park, Se Jin ; Jeon, Hyo Sang ; Hwang, Yun Jeong ; Kim, Jaehoon ; Min, Byoung Koun. / Uniform deposition of ternary chalcogenide nanoparticles onto mesoporous TiO2 film using liquid carbon dioxide-based coating. In: Thin Solid Films. 2014 ; Vol. 565. pp. 122-127.
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