, Volume 26, Issue 4, pp 2363–2373 | Cite as

Preparation of fluorescent and antibacterial nanocomposite films based on cellulose nanocrystals/ZnS quantum dots/polyvinyl alcohol

  • Wei-Qi XieEmail author
  • Kong-Xian Yu
  • Yi-Xian Gong
Original Research


In this paper, a fluorescent and antibacterial nanocomposite film based on Zinc sulphide (ZnS) quantum dots, cellulose nanocrystals (CNCs) and polyvinyl alcohol (PVA) was successfully synthesized. CNCs were first decorated in situ with ZnS quantum dots, which were then introduced into a PVA matrix to prepare nanocomposite films with good fluorescent and antibacterial properties. The X-ray diffraction and scanning electron microscope analysis indicated that ZnS nanoparticles were well-dispersed and randomly coated on the CNCs with uniform particle size. The visible emission peak in the ZnS/CNCs nanocomposites was 473 nm with an excitation wavelength of 350 nm. The CNCs loaded with ZnS quantum dots exhibited bright blue fluorescence under the ultraviolet light. Additionally, CNCs/ZnS nanocomposite films also had good antibacterial properties (bacterial inhibition rate = 78.25%).

Graphical abstract


ZnS quantum dots Cellulose nanocrystals Fluorescent Nanocomposite film Antibacterial properties 



The authors acknowledge the financial support from the State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, China.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringSouth China University of TechnologyGuangzhouChina
  2. 2.State Key Laboratory of Pulp and Paper EngineeringSouth China University of TechnologyGuangzhouChina
  3. 3.Health Supervision Bureau of Liaoning ProvinceShenyangChina

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