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Ping Chen
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Volume 31 Issue 4 August 2008 pp 603-608 Nanomaterials
Synthesis of SrCrO4 nanostructures by onion inner-coat template and their optical properties
Ping Chen Qing-Sheng Wu Ya-Ping Ding Pin-Shi Yuan
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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Bulletin of Materials Science
Volume 46, 2023
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Continuous Article Publishing mode
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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