Effects of Cu2S sintering aid on the formation of CuInS2 coatings from single crystal Cu2In2O5 nanoparticles

Chia-Ying Su, Dillip K. Mishra, Chiu Yen Chiu, Jyh-Ming Ting

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This article reports the sulfurization of single crystalline Cu2In2O5 nanoparticles (NPs) for the formation of CuInS2 (CIS) coatings. Cu2In2O5 NPs were synthesized using a chemical route. Thus formed NPs were applied to Mo-coated glass substrate by a doctor-blading technique. After the doctor-blading, coatings were sulfurized under 500torr of H2S at various temperatures. Selected doctor-bladed samples were heat treated at 430°C in air for 30min for the removal of carbon residual prior to the sulfurization. During the sulfurization, Cu2S (melting point 435°C) was used as the sintering aid. The weight ratio of Cu2S to Cu2In2O5 was varied. The effect of Cu2S on the CIS crystalline structure was explored using Raman analysis. It was found that Cu2S not only improves the sintering but also promotes the formation of desired CIS-chalcopyrite structure and reduces the impurity phase in the resulting CIS coatings.

Original languageEnglish
Pages (from-to)517-520
Number of pages4
JournalSurface and Coatings Technology
Volume231
DOIs
Publication statusPublished - 2013 Sep 25

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sintering
Sintering
Single crystals
Nanoparticles
coatings
Coatings
nanoparticles
single crystals
Crystalline materials
melting points
Melting point
Carbon
routes
Impurities
Glass
heat
impurities
glass
carbon
air

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

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title = "Effects of Cu2S sintering aid on the formation of CuInS2 coatings from single crystal Cu2In2O5 nanoparticles",
abstract = "This article reports the sulfurization of single crystalline Cu2In2O5 nanoparticles (NPs) for the formation of CuInS2 (CIS) coatings. Cu2In2O5 NPs were synthesized using a chemical route. Thus formed NPs were applied to Mo-coated glass substrate by a doctor-blading technique. After the doctor-blading, coatings were sulfurized under 500torr of H2S at various temperatures. Selected doctor-bladed samples were heat treated at 430°C in air for 30min for the removal of carbon residual prior to the sulfurization. During the sulfurization, Cu2S (melting point 435°C) was used as the sintering aid. The weight ratio of Cu2S to Cu2In2O5 was varied. The effect of Cu2S on the CIS crystalline structure was explored using Raman analysis. It was found that Cu2S not only improves the sintering but also promotes the formation of desired CIS-chalcopyrite structure and reduces the impurity phase in the resulting CIS coatings.",
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Effects of Cu2S sintering aid on the formation of CuInS2 coatings from single crystal Cu2In2O5 nanoparticles. / Su, Chia-Ying; Mishra, Dillip K.; Chiu, Chiu Yen; Ting, Jyh-Ming.

In: Surface and Coatings Technology, Vol. 231, 25.09.2013, p. 517-520.

Research output: Contribution to journalArticle

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T1 - Effects of Cu2S sintering aid on the formation of CuInS2 coatings from single crystal Cu2In2O5 nanoparticles

AU - Su, Chia-Ying

AU - Mishra, Dillip K.

AU - Chiu, Chiu Yen

AU - Ting, Jyh-Ming

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N2 - This article reports the sulfurization of single crystalline Cu2In2O5 nanoparticles (NPs) for the formation of CuInS2 (CIS) coatings. Cu2In2O5 NPs were synthesized using a chemical route. Thus formed NPs were applied to Mo-coated glass substrate by a doctor-blading technique. After the doctor-blading, coatings were sulfurized under 500torr of H2S at various temperatures. Selected doctor-bladed samples were heat treated at 430°C in air for 30min for the removal of carbon residual prior to the sulfurization. During the sulfurization, Cu2S (melting point 435°C) was used as the sintering aid. The weight ratio of Cu2S to Cu2In2O5 was varied. The effect of Cu2S on the CIS crystalline structure was explored using Raman analysis. It was found that Cu2S not only improves the sintering but also promotes the formation of desired CIS-chalcopyrite structure and reduces the impurity phase in the resulting CIS coatings.

AB - This article reports the sulfurization of single crystalline Cu2In2O5 nanoparticles (NPs) for the formation of CuInS2 (CIS) coatings. Cu2In2O5 NPs were synthesized using a chemical route. Thus formed NPs were applied to Mo-coated glass substrate by a doctor-blading technique. After the doctor-blading, coatings were sulfurized under 500torr of H2S at various temperatures. Selected doctor-bladed samples were heat treated at 430°C in air for 30min for the removal of carbon residual prior to the sulfurization. During the sulfurization, Cu2S (melting point 435°C) was used as the sintering aid. The weight ratio of Cu2S to Cu2In2O5 was varied. The effect of Cu2S on the CIS crystalline structure was explored using Raman analysis. It was found that Cu2S not only improves the sintering but also promotes the formation of desired CIS-chalcopyrite structure and reduces the impurity phase in the resulting CIS coatings.

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