Influence of van der waals heterostructures of 2D materials on catalytic performance of ZnO and its applications in energy: A review |
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Authors: | Nisar Fatima Muhammad Bilal Tahir Asma Noor M Sagir M Suleman Tahir Hussein Alrobei Urooj Fatima Khurram Shahzad Arshid Mahmood Ali Shabbir Muhammad |
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Affiliation: | 1. Department of Physics, Faculty of Sciences, University of Gujrat, Gujrat, Pakistan;2. Department of Physics, Khwaja Fareed University of Engineering and Information Technology, RYK, Pakistan;3. Department of Chemical Engineering, Khwaja Fareed University of Engineering and Information Technology, RYK, Pakistan;4. Department of Mechanical Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia;5. Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, 21589, Saudi Arabia;6. Department of Chemical and Materials Engineering, King Abdulaziz University, Jeddah, 21589, Saudi Arabia;7. Department of Physics, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia |
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Abstract: | Recently, photocatalysis has received huge attention in order to overcome energy crisis worldwide. Many semiconductors, potential schemes and hierarchies have come to light during past few decades to fabricate efficient catalysts however, among all these methods heterostructures have taken the world by surprise. With the advancement in post-graphene 2D materials, van der Waals heterostructures have come to light exploring enhancement in photocatalysis. During a very short period a number of ZnO-based van der Waal heterostructures have taken the limelight in the field of photocatalysis. First principles calculations and DFT approach towards the heterostructures of GeC, GaN, WSe2, WS2 and other layered 2D materials unleased a series of properties and facts for the provision of enhanced catalysis. Reduction in bandgap of ZnO has also been observed which widens the pathways towards visible light irradiation. However, energy applications of zinc oxide are also fascinating feature as it can serve as a photoanode to replace TiO2. Whereas the famous hydrogen production, batteries and solar cells have also been fabricated by the use of this semiconductor. |
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Keywords: | 2D materials van der waal forces Heterostructure Photocatalytic energy production |
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