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Environmental Science and Pollution Research

, Volume 26, Issue 30, pp 31055–31061 | Cite as

Mixed phase nano–CdS supported on activated biomass carbon as efficient visible light–driven photocatalysts

  • Feng-Ying Cai
  • Yu-Qing Zhang
  • Jun-Tao Wang
  • Jun-Ru Zhou
  • Hai-Lei CaoEmail author
  • Jian Lü
Research Article
  • 80 Downloads

Abstract

Semiconductors are promising photocatalysts for the use of sunlight in energy conversion and environmental remediation. To this end, various synthetic pathways have been proposed to increase their photocatalytic efficiency, catalytic stability, recycle, and reuse. In this work, mixed phase CdS nanoparticles were loaded on the surface of activated biomass carbons to prepare composite photocatalysts via hydrothermal syntheses, which were further applied to photocatalytic degradation of rhodamine B (RhB) under visible irradiation. The composite photocatalysts displayed considerable specific surface area (up to 672 m2 g−1) and suitable band gap energy of ca. 2.1 eV. Due to the excellent light adsorption ability and chemical stability, these composite photocatalysts exhibited excellent photocatalytic capacity toward RhB degradation under visible irradiation. Moreover, the photocatalytic stability was also demonstrated by cyclic experiments, by which the composite photocatalysts retained over 80% of the initial catalytic activity after 4 consecutive runs.

Keywords

Biomass carbon Cadmium sulfide Composites Photocatalysis 

Notes

Funding information

This work received financial support from the International Science and Technology Cooperation and Exchange Project of Fujian Agriculture and Forestry University (Grant KXGH17010), the State Key Laboratory of Structural Chemistry (Grant 20170032), and the New Century Excellent Talents in Fujian Province University, Fujian Agriculture and Forestry University Program for Distinguished Young Scholar (Grant xjq201813).

Supplementary material

11356_2019_6267_MOESM1_ESM.doc (2.9 mb)
ESM 1 (DOC 3008 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhouChina
  2. 2.Key Laboratory of Functional Inorganic Material Chemistry, Ministry of EducationHeilongjiang UniversityHarbinChina
  3. 3.Samara Center for Theoretical Materials Science (SCTMS)Samara State Technical UniversitySamaraRussia

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