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Journal of Materials Science: Materials in Electronics

, Volume 30, Issue 17, pp 15923–15927 | Cite as

One-step hydrothermal synthesis of high surface area m-ZrO2 nanorings with lower band gap, blue emission and high photocatalytic activity

  • Sachin Kumar
  • Irshad Ahmad Mir
  • Mohan Chandra Mathpal
  • Zahir Muhammad
  • Shafiq Ur Rehman
  • Kwun Nam HuiEmail author
  • Ling ZhuEmail author
Article
  • 53 Downloads

Abstract

Herein, monoclinic ZrO2 (m-ZrO2) nanostructures were prepared by a facile one-step hydrothermal method. As-prepared products showed ring-like nanostructures with an average size of ~ 23.1 nm and high surface area. The ring-like m-ZrO2 nanostructures exhibited broad absorption spectra in the visible region (400–800 nm) and a low band gap of 3.7 eV. Moreover, blue emission was also shown by m-ZrO2 nanostructures under the excitation of wavelength 300 nm. As-prepared m-ZrO2 nanostructures show high photocatalytic performance under UV irradiation. The lower band, high surface area and presence of oxygen vacancies may be attributed to the excellent performance of ring-like m-ZrO2 nanostructures as a photocatalyst.

Notes

Acknowledgements

This work was financially supported by the grants from the Science and Technology Innovation Commission of Shenzhen (Grant Nos: JCYJ20180305125302333, JCYJ20170818093035338, JCYJ20180305125430954, ZDSYS201707271554071) and Shenzhen University fund (No. 2017007).

Supplementary material

10854_2019_1943_MOESM1_ESM.docx (1.7 mb)
Supplementary material 1 (DOCX 1757 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Sachin Kumar
    • 1
  • Irshad Ahmad Mir
    • 1
  • Mohan Chandra Mathpal
    • 2
  • Zahir Muhammad
    • 1
  • Shafiq Ur Rehman
    • 1
  • Kwun Nam Hui
    • 3
    Email author
  • Ling Zhu
    • 1
    Email author
  1. 1.College of Physics and Optoelectronics EngineeringShenzhen UniversityShenzhenPeople’s Republic of China
  2. 2.Department of PhysicsUniversity of BrasiliaBrasíliaBrazil
  3. 3.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials EngineeringUniversity of MacauTaipaChina

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