QUANTIZATION OF PERFORMANCE OF PERIOD 4 TRANSITION METAL DOPANTS ON C3N4\ZnO USING MCDM TECHNIQUES (TOPSIS)

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dc.contributor.authorMUHAMMAD HARIS SAEED
dc.date.accessioned2025-09-04T07:30:55Z
dc.date.available2025-09-04T07:30:55Z
dc.date.issued2021
dc.description.abstractPhotocatalysts have been around for a while to solve industrial-scale dye degradation problems. Among these numerous catalysts, metal oxides have gained a reputation due to their excellent photocatalytic activity, low bandgap, low cost, and high oxidation potential and among these metal oxides, ZnO and TiO2 have gained special attention due to their attractive set of properties. Doping of ZnO with transition metals has proven to be highly efficient in photocatalytic activity against different dyes and antibacterial properties. With the testing of multiple dopants on a single photocatalyst, the question comes up that which dopants perform best while taking numerous factors under consideration, and how can the performance of these dopants on the photocatalyst be quantized and ranked in order from best to worst. To quantize the performance and rank the dopants, MCDM (Multi-criterion decision making) techniques can be utilized. Among these techniques, TOPSIS (Technique for Order of Preference by Similarity of Ideal Solution) is utilized because of its multi-attribute decision-making and versatility while handling data. This technique has been utilized to quantize a set of attributes that were shown by the doping of certain Period 4 transition metal elements on Zinc Oxide embedded on Graphitic Carbon Nitride Sheet. A total of 10 attributes of each dopant were selected for the TOPSIS ranking process including the photocatalyst stability during the photocatalytic process, its anti- bacterial activity against certain gram-positive and gram-negative bacteria, the time it took for the doped photocatalyst to degrade a certain dye, and photocatalytic recovery along with some attributes including the abundance of dopants in earth’s crust, and versatile uses of the dopant on the photocatalyst.
dc.identifier.urihttps://escholar.umt.edu.pk/handle/123456789/6052
dc.language.isoen_US
dc.publisherUMT.Lahore
dc.titleQUANTIZATION OF PERFORMANCE OF PERIOD 4 TRANSITION METAL DOPANTS ON C3N4\ZnO USING MCDM TECHNIQUES (TOPSIS)
dc.typeThesis
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