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Title: Rajashekhar Pujar: Innovator in Graphene Technology
Introduction
Rajashekhar Pujar is a prominent inventor based in Bengaluru, India. He has made significant contributions to the field of materials science, particularly in the development of graphene-based technologies. With a total of four patents to his name, Pujar's work focuses on innovative methods for producing reduced graphene oxide and its applications.
Latest Patents
One of Pujar's latest patents is a method of preparation of reduced graphene oxide (rGO). This patent describes a simple and cost-effective approach to produce rGO from low-cost carbon sources, such as coal tar pitch, which is an industrial by-product. The method involves annealing the carbon source at two different temperatures, resulting in high yields of rGO that exhibit excellent conductivity, a large surface area, and very low oxygen content.
Another notable patent is for a hybrid transparent conducting electrode. This invention comprises a reduced graphene oxide film, metal mesh, and textured glass. The reduced graphene oxide film can be coated on the textured glass embedded with the metal mesh or sandwiched between the textured glass and the metal mesh. The resulting transparent conducting electrode demonstrates transparency ranging from about 70% to 85% and sheet resistance between approximately 5 Ω/sq and 100 Ω/sq.
Career Highlights
Rajashekhar Pujar has worked with notable organizations, including Tata Steel Limited and the Centre for Nano and Soft Matter Sciences. His experience in these institutions has allowed him to refine his expertise in nanomaterials and their applications in various industries.
Collaborations
Throughout his career, Pujar has collaborated with talented individuals such as Shyam Kumar Choudhary and Sumitesh Das. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Rajashekhar Pujar is a distinguished inventor whose work in graphene technology has the potential to revolutionize various applications. His innovative methods and patents reflect his commitment to advancing materials science and engineering.