Journal of Sol-Gel Science and Technology

, Volume 89, Issue 1, pp 120–127 | Cite as

Study of annealing effect upon the structural and solar- selective properties of C/Ni/NiO composite coatings prepared by sol–gel method

  • Shahid Khan
  • Zhizheng Wu
  • Mahmood ul haq
  • Guangzhong Yuan
  • Majid Khan
  • Chenlu Song
  • Gaorong HanEmail author
  • Yong LiuEmail author
Original Paper: Functional coatings, thin films and membranes (including deposition techniques)


The Ni/C/NiO composite thin films have been prepared by one-step sol–gel method. The prepared samples were annealed at 450 °C with different holding times. When the metallic nickel nanoparticles were homogeneously dispersed in the composite, it is observed that both NiO and metallic Ni are surrounded by resident carbon. Comprehensive analysis techniques have been carried out in order to analyze the structural, optical, and solar- selective absorber properties of the composite. The main structure variations with various holding times are (i) the decrease in thickness and (ii) enhancement of metallic Ni nanoparticles size. The solar-selective absorber properties for one-layer Ni/C/NiO composite film annealed at 450 °C with 10 min of holding time show the optimal performance in the present work, exhibiting an absorbance of about 0.80 and an emittance of about 0.11, and capable of a good candidate as SSA for the low–middle temperature applications.


Composite materials Solar-selective absorber Nickel oxide Metallic nickel 



This work was financially supported by the National Key Research and Development Program of China (No. 2016YFB0303900), National Natural Science Foundation of China (No. 51672242), and Zhejiang Provincial Natural Science Foundation of China (No. LY16E020002).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Shahid Khan
    • 1
  • Zhizheng Wu
    • 1
  • Mahmood ul haq
    • 1
  • Guangzhong Yuan
    • 1
  • Majid Khan
    • 2
  • Chenlu Song
    • 1
    • 3
  • Gaorong Han
    • 1
    • 3
    Email author
  • Yong Liu
    • 1
    • 3
    Email author
  1. 1.State Key Laboratory of Silicon Materials and School of Materials Science and EngineeringZhejiang UniversityHangzhouChina
  2. 2.Department of PhysicsQuaid-i-Azam UniversityIslamabadPakistan
  3. 3.Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang ProvinceZhejiangChina

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