List of Articles vinod shrivastava Article 1 - Hydrothermally synthesized nanocrystalline Nb2O5 and its visible-light photocatalytic activity for the degradation of congo red and methylene blue Subhash Dharmraj Khairnar Manohar Rajendra Patil Vinod Shankar Shrivastava Iranian Journal of Catalysis , Issue 2 , Year , Spring 2018