2018

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Browsing 2018 by Author "IQRA SHAHID"

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    SYNTHESIS, CHARACTERIZATION AND PHOTOCATALYTIC APPLICATIONS OF Ni(OH)2 NANOPARTICLES & Ni(OH)2/g-C3N4 NANOCOMPOSITE
    (UMT.Lahore, 2018) IQRA SHAHID
    In the recent years photocatalysts used for the removal of dyes from the industrial waste water has been of great interest for the researchers. Water is the essence of life that is crucial not only for human beings but also for all the living things on Earth. With the high standards of living and advancement in industrialization the fresh water resources are getting inadequate. Textile industry is one of the major causes of this problem as it uses a significant amount of water during its manufacturing process and in return releases contaminated water containing 10-15% of harmful dyes in sewage water from where they can be mixed with fresh water underground. Dyes pose a major threat because they can be easily converted into the cancer causing and toxic products which are harmful for human beings as well as the living things. Back then there were only three methods such as physical, chemical and biological for the removal of dyes from the industrial waste water. But now-a-days research has been extensively done on the semiconductor photocatalysts due to their solar energy conversion and environmental purification. For this purpose Ni(OH)2 nanoparticles and Ni(OH)2/g-C3N4 nanocomposite were prepared by the simple precipitation method. Photodegradation of methylene blue (MB) dye that is a cationic dye has been performed under solar and UV radiation. So, semiconductor photocatalysts are the promising materials for the complete removal of organic dyes. Among all the semiconductors both the metal nanostructure and metal/g-C3N4 nanocomposite based photocatalysts are of great potential use for the wastewater treatment. Ni(OH)2/g-C3N4 nanocomposite proves to be a promising photocatalyst due to its unique structures, eco friendliness, synergistic adsorption property and high abundance in nature.