• Ping Chen

      Articles written in Bulletin of Materials Science

    • Synthesis of SrCrO4 nanostructures by onion inner-coat template and their optical properties

      Ping Chen Qing-Sheng Wu Ya-Ping Ding Pin-Shi Yuan

      More Details Abstract Fulltext PDF

      This paper describes a bio-template method of the squama inner coat of onion for preparing the SrCrO4 nanostructures including nanospheres, nanorods and dumbbell-shaped superstructure. The method is able to make SrCrO4 nanoparticles with average diameters in the range of 90–170 nm, SrCrO4 nanorods with length in the range 0.70–2 𝜇m, width in the range of 80–180 nm, and SrCrO4 dumbbell-shaped superstructure with length in the range 10–14 𝜇m. The dumbbell-shaped superstructures are assembled by many SrCrO4 nanowires with length in the range 10–14 𝜇m and width in the range 30–50 nm. The products were characterized by transmission electron microscope, powder X-ray diffraction, UV-Vis spectroscopy and luminescence spectrophotometer. A possible formation mechanism was also proposed. In the preparation, the SrCrO4 nanostructures were synthesized at room temperature without any surfactants. This new bio-template method will have potential applications in preparation of the nanoscale materials with different morphologies.

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    • Dr Shanti Swarup Bhatnagar for Science and Technology

      Posted on October 12, 2020

      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
      Chemical Sciences 2020

      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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      Posted on July 25, 2019

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