Synthesis of CdS hollow spheres coupled with g-C3N4 as efficient visible-light-driven photocatalysts

Chunyan Zhang, Yongfeng Lu, Qingqing Jiang, Juncheng Hu

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

CdS hollow spheres (CdS HS) coupled with graphitic carbon nitride (g-C3N4) photocatalysts are synthesized and characterized by x-ray diffraction (XRD), transmission electron microscopy (TEM), ultraviolet-visible diffuse reflection spectroscopy (DRS), x-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR), and photoluminescence spectroscopy (PL). The effect of CdS content on CdS HS/g-C3N4 activity is investigated by the degradation of Rhodamine B (RhB). The sample of 20 wt% CdS content shows the best photocatalytic performance under visible-light irradiation, with the corresponding RhB degradation rate reaching 97.3%. The excellent photoactivity of CdS HS/g-C3N4 is attributed to the synergistic effect of g-C3N4 and CdS HS. A possible photocatalytic mechanism of the CdS HS/g-C3N4 composite is proposed and corroborated by PL.

Original languageEnglish (US)
Article number355402
JournalNanotechnology
Volume27
Issue number35
DOIs
StatePublished - Jul 25 2016

Fingerprint

Photocatalysts
rhodamine B
Photoluminescence spectroscopy
Degradation
X rays
Carbon nitride
Photoelectron spectroscopy
Fourier transform infrared spectroscopy
Diffraction
Irradiation
Spectroscopy
Transmission electron microscopy
Composite materials

Keywords

  • CdS hollow spheres
  • g-CN
  • photocatalysis

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Synthesis of CdS hollow spheres coupled with g-C3N4 as efficient visible-light-driven photocatalysts. / Zhang, Chunyan; Lu, Yongfeng; Jiang, Qingqing; Hu, Juncheng.

In: Nanotechnology, Vol. 27, No. 35, 355402, 25.07.2016.

Research output: Contribution to journalArticle

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