New Delhi: IIT Jodhpur researchers have created perovskite nanocomposite catalytic materials based on lanthanides to produce high purity hydrogen using synthetic photosynthesis.
In the patented process, the scientists at IIT Jodhpur harnessed solar energy to catalyse the conversion of water into hydrogen and oxygen using a highly reusable catalyst built on a straightforward, low-cost transition metal.
The principal investigator on this study is Dr. Rakesh K. Sharma, an associate professor in the department of chemistry at IIT Jodhpur. Dr. Krishnapriya, a postdoctoral researcher at IIT Jodhpur, Dr. Devika Laishram, Dr. Bhagirath Saini, and Dr. Kiran Shejale are additional team members who are PhD students who are also participated in this study.
The group has now created a number of catalysts that make hydrogen effectively in natural conditions. The final use of this research is in the energy and automotive industries.
The only practical source of energy for a sustainable and green future is hydrogen-based energy. More than 90% of the hydrogen comes from petroleum feedstock, making it expensive and out of the reach of the average person. The research group at IIT Jodhpur is looking for a reliable source for producing hydrogen. The IIT Jodhpur team's invention just requires sunlight as an external energy source.
Dr. Rakesh K. Sharma, Associate Professor, Department of Chemistry, IIT Jodhpur, emphasised the relevance of the study by stating that "Development of indigenous sustainable catalyst for large-scale green hydrogen production is benchmark innovation for future generation happiness."
The research group has tested more than 100 different catalyst combinations in order to create five sets of catalysts that produce a high amount of hydrogen when exposed to sunshine. Wastewater, saline water, and brackish water can all be treated with catalysts. The catalysts can be recycled and used repeatedly. Following are some of the key aspects of this study:
110 catalysts were produced and screened (band gap: 2.1 eV).
19 optimization steps altogether
Pure hydrogen production rate of 400 ml per hour per gramme at a catalytic loading of 0.02%
The best results were produced by lanthanide-based catalytic systems.
7.5 hours of nonstop creation of pure hydrogen
The method is straightforward, utilises a large spectrum of sunlight, and produces hydrogen without the use of an external energy source. A crucial first step in using hydrogen as a fuel for cars directly, eschewing fossil fuels and lowering emissions, could be to produce it cheaply and with great purity.
The Department of Science and Technology and IIT Jodhpur are funding this innovative study together. Additionally, the researchers want to create a prototype, then scale it up to produce significant amounts of hydrogen for end-user applications.
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