Effects of hydrazine on the solvothermal synthesis of Cu 2ZnSnSe4 and Cu2CdSnSe4 nanocrystals for particle-based deposition of films

Ming Hung Chiang, Yaw Shyan Fu, Cheng Hung Shih, Chun Cheng Kuo, Tzung-Fang Guo, Wen Tai Lin

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The effects of hydrazine on the synthesis of Cu2ZnSnSe 4 (CZTSe) and Cu2CdSnSe4 (CCTSe) nanocrystals in an autoclave as a function of temperature and time were explored. On heating at 190 °C for 24-72 h, pure CZTSe and CCTSe nanocrystals could readily grow in the hydrazine-added solution, while in the hydrazine-free solution the intermediate phases such as ZnSe, Cu2Se, and Cu2SnSe 3, and Cu2SnSe3 and CdSe associated with the CZTSe and CCTSe nanocrystals grew, respectively. This result reveals that hydrazine can speed up the synthesis of pure CZTSe and CCTSe nanocrystals via a solvothermal process. The mechanisms for the hydrazineenhanced growth of CZTSe and CCTSe nanocrystals were discussed. The pure CZTSe and CCTSe nanocrystals were subsequently fabricated to the smooth films by spin coating without further annealing in selenium atmosphere. This processing may be beneficial to the fabrication of the absorber layer for solar cells and thermoelectric devices.

Original languageEnglish
Pages (from-to)291-295
Number of pages5
JournalThin Solid Films
Volume544
DOIs
Publication statusPublished - 2013 Oct 1

Fingerprint

hydrazine
Hydrazine
hydrazines
Nanocrystals
nanocrystals
synthesis
autoclaves
Autoclaves
Selenium
Spin coating
selenium
coating
absorbers
Solar cells
solar cells

All Science Journal Classification (ASJC) codes

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

Cite this

Chiang, Ming Hung ; Fu, Yaw Shyan ; Shih, Cheng Hung ; Kuo, Chun Cheng ; Guo, Tzung-Fang ; Lin, Wen Tai. / Effects of hydrazine on the solvothermal synthesis of Cu 2ZnSnSe4 and Cu2CdSnSe4 nanocrystals for particle-based deposition of films. In: Thin Solid Films. 2013 ; Vol. 544. pp. 291-295.
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Effects of hydrazine on the solvothermal synthesis of Cu 2ZnSnSe4 and Cu2CdSnSe4 nanocrystals for particle-based deposition of films. / Chiang, Ming Hung; Fu, Yaw Shyan; Shih, Cheng Hung; Kuo, Chun Cheng; Guo, Tzung-Fang; Lin, Wen Tai.

In: Thin Solid Films, Vol. 544, 01.10.2013, p. 291-295.

Research output: Contribution to journalArticle

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AU - Kuo, Chun Cheng

AU - Guo, Tzung-Fang

AU - Lin, Wen Tai

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