Dense CIGS films obtained by blending submicron-sized particles with nanoparticle suspensions using a non-vacuum process

Hsin Yu Lai, Hsing-I Hsiang

Research output: Contribution to journalArticle

Abstract

The difficulty in densification easily occur in CIGS thin film absorber fabrication using the non-vacuum process. A novel process is developed in this study to achieve dense, crack-free and large-grained CIGS films by blending submicron-sized particles with nanoparticle suspensions. The addition of slow-sintering submicron-sized particles to the nanoparticle suspensions effectively inhibits crack generation and small grain development in the film microstructure. The submicron-sized particles addition to nanoparticle suspension effect on the microstructure and electrical properties are investigated using scanning electron microscopy, X-ray diffraction, UV-Vis-NIR, Raman spectroscopy and Hall-effect analyzer. A homogeneous dense microstructure with a large grain size and good electric properties can be obtained as the submicron-sized particles ratio to nanoparticles approaches 3:7.

Original languageEnglish
Pages (from-to)974-980
Number of pages7
JournalInternational Journal of Applied Ceramic Technology
Volume16
Issue number3
DOIs
Publication statusPublished - 2019 May 1

Fingerprint

Suspensions
Nanoparticles
nanoparticles
microstructure
Microstructure
Electric properties
cracks
Cracks
Hall effect
densification
Densification
Raman spectroscopy
analyzers
absorbers
sintering
Sintering
grain size
electrical properties
Fabrication
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Marketing
  • Materials Chemistry

Cite this

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abstract = "The difficulty in densification easily occur in CIGS thin film absorber fabrication using the non-vacuum process. A novel process is developed in this study to achieve dense, crack-free and large-grained CIGS films by blending submicron-sized particles with nanoparticle suspensions. The addition of slow-sintering submicron-sized particles to the nanoparticle suspensions effectively inhibits crack generation and small grain development in the film microstructure. The submicron-sized particles addition to nanoparticle suspension effect on the microstructure and electrical properties are investigated using scanning electron microscopy, X-ray diffraction, UV-Vis-NIR, Raman spectroscopy and Hall-effect analyzer. A homogeneous dense microstructure with a large grain size and good electric properties can be obtained as the submicron-sized particles ratio to nanoparticles approaches 3:7.",
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AB - The difficulty in densification easily occur in CIGS thin film absorber fabrication using the non-vacuum process. A novel process is developed in this study to achieve dense, crack-free and large-grained CIGS films by blending submicron-sized particles with nanoparticle suspensions. The addition of slow-sintering submicron-sized particles to the nanoparticle suspensions effectively inhibits crack generation and small grain development in the film microstructure. The submicron-sized particles addition to nanoparticle suspension effect on the microstructure and electrical properties are investigated using scanning electron microscopy, X-ray diffraction, UV-Vis-NIR, Raman spectroscopy and Hall-effect analyzer. A homogeneous dense microstructure with a large grain size and good electric properties can be obtained as the submicron-sized particles ratio to nanoparticles approaches 3:7.

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