Hollow CdS nanoparticles formed through electrodeposition of Cd(OH) 2 on graphite and treatment with H2S

Jin Hao Jhang, Wei Hsiu Hung*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

Cd(OH)2 nanoparticles (NPs) were synthesized on graphite treated with plasma through electrochemical deposition in a solution of CdF2 saturated with O2. Cd(OH)2 NPs were formed from reaction of Cd2+ in solution with OH- generated on the graphite after reduction of O2. The Cd(OH)2 NPs were densely distributed on the surface and converted to form hollow CdS NPs via a thermal reaction with H2S at 300 °C. The resulting Cd(OH)2 and CdS NPs were characterized with measurements of X-ray photoelectron spectroscopy, atomic force microscopy, and high-resolution transmission electron microscopy. The latter results showed that the Cd(OH)2 and CdS NPs exhibited hexagonal and cubic crystalline structures, respectively. The photoluminescence of CdS NP showed a direct band at 2.47 eV and an indirect band at ∼1.67 eV.

原文英語
頁(從 - 到)512-516
頁數5
期刊Materials Chemistry and Physics
129
發行號1-2
DOIs
出版狀態已發佈 - 2011 九月 15

ASJC Scopus subject areas

  • 材料科學(全部)
  • 凝聚態物理學

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