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    Question

    What is the main application of the optically active

    biodegradable nanocomposite film developed by researchers at the Institute of Advanced Study in Science and Technology (IASST)?
    A Flexible organic LED manufacturing Correct Answer Incorrect Answer
    B Biodegradable plastics production Correct Answer Incorrect Answer
    C Water purification Correct Answer Incorrect Answer
    D Solar cell development Correct Answer Incorrect Answer
    E Carbon capture technology Correct Answer Incorrect Answer

    Solution

    Researchers have fabricated an optically active biodegradable nanocomposite film with excellent mechanical properties that can be used as a stretchable optical devices like flexible display, flexible organic LED, etc. Numerous methodologies have been adopted to improve the properties of polymeric materials by using suitable nanomaterials. The nanomaterials are known to enhance the properties of the polymers keeping the inherent properties of the polymers intact. Scientists have reported that polyvinyl alcohol (PVA) is one of the most widely studied synthetic biodegradable polymers having good film-forming and excellent mechanical properties.  A research group from physical sciences division of the Institute of Advanced Study in Science and Technology (IASST), Guwahati, an autonomous institute of North-East India under the Department of Science and Technology (DST), fabricated a biodegradable PVA-CuO nanocomposite film using a facile solution casting technique, where Cu salt used as a precursor for the in-situ CuO nanoparticles formation under different heat treatment. This research group is led by Dr. Sarathi Kundu, Associate Professor, along with Mr. Saiyad Akhirul Ali, working as a Junior Research Fellow (JRF).

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