Facile one-pot solvothermal-assisted synthesis of uniform sphere-like Nb2O5 nanostructures for photocatalytic applications

  • Rajeswari Rathnasamy
  • Pitchai Thangasamy
  • Vanangamudi Aravindhan
  • Punniyakoti Sathyanarayanan
  • Viswanathan AlaganEmail author


Preparation of semiconductor nanomaterials with controlled morphology and uniform porous surface is of great interest for enhanced photocatalytic applications. In the work presented herein, uniform sphere-like niobium pentoxide (Nb2O5) nanostructures were synthesized by a one-pot solvothermal method using ammonium niobate oxalate and octadecylamine as precursor and surfactant, respectively. The synthesized Nb2O5 nanostructures were then employed as photocatalyst for degradation of methylene blue (MB) and rose bengal (RB) dyes under ultraviolet (UV) light. It was found that the prepared Nb2O5 nanostructures could degrade up to 87 % and 62 % of MB and RB dye after irradiation for 90 and 180 min, respectively.


Niobium pentoxide Solvothermal method Sphere-like morphology Photocatalyst 



R.R. is very grateful for financial support through the Technical Education Quality Improvement program (TEQIP II), Anna University, BIT Campus, Tiruchirappalli, India.

Compliance with ethical standards

Conflict of interest

The authors declare that there are no conflicts of interest.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  • Rajeswari Rathnasamy
    • 1
  • Pitchai Thangasamy
    • 2
  • Vanangamudi Aravindhan
    • 3
  • Punniyakoti Sathyanarayanan
    • 3
  • Viswanathan Alagan
    • 1
    Email author
  1. 1.Department of Physics, University College of EngineeringBharathidasan Institute of Technology (BIT) Campus, Anna UniversityTiruchirappalliIndia
  2. 2.Institute of Chemistry and The Center for Nanoscience and NanotechnologyThe Hebrew University of JerusalemJerusalemIsrael
  3. 3.Centre for Nanotechnology ResearchVellore Institute of TechnologyVelloreIndia

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