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Biography


Dr. Prabhakar Rai
Indian Institute of Technology Kanpur, India
Title:
Noble Metal@Metal Oxide Semiconductors Core@Shell Nanostructures as a New Platform for Gas Sensor Applications
Abstract:
Gas sensors are a crucial part of modern life with applications in environmental monitoring, domestic safety, public security and food quality assessment amongst many others. The market for gas sensors is currently worth £250 M annually with new applications driving innovation, for instance the analysis of gases from the gut and breath for non-invasive diagnosis of disease. Metal oxide semiconductor gas sensors play an important role in the detection of toxic pollutants (CO, H2S, NOx, SO2, etc.) and flammable gases (H2, CH4, hydrocarbons, etc.)due to their low cost, high sensitivity, fast response and relative simplicity.It has been reported in literature that the performance of these gas sensors can be enhanced by increasing the specific surface area by using nanoparticles and by incorporation of noble metals such as platinum or gold. Recently, a special class of structure known as core@shellstructure is interesting due to their tailorability and functionality in both the cores and shells. These core@shellnanoparticleshave shown potential for a variety of applications, such as sensor, catalysis, lithium-ion batteries, smart drug-delivery vehicles in biology and medicine. This presentationwill address the recent progress in the field of noble metal@metal oxide core@shellnanoparticlesgas sensors,based on the literature and our own recent work. The underlying principle and future aspects of such core@shell nanostructures for gas sensing applications will also be highlighted.
Biography:
Dr. Prabhakar Rai is an INSPIRE Faculty in the Department of Chemical Engineering at Indian Institute of Technology Kanpur, India. Previously, he was Research Professor in the Department of Materials Science and Engineering at Korea University and Assistant Research Professor in the Department of Informatic Electronics Materials Engineering at Chonbuk National University, South Korea. He has obtained his M. Sc. degree in Inorganic Chemistry, in 2006,at University of Allahabad, India. He received his Doctoral degree in Informatic Electronics Materials Engineering, in 2012,at Chonbuk National University, South Korea. He was appointed as an Adjunct Assistant Professorin 2013 in the Department of Informatic Electronics Materials Engineering at Chonbuk National University. His research is mainly focused on synthesis of nanoscale metals and metal oxides for chemical sensor applications. This research has led to 36 publications and over 30 presentations at international and national conferences. He has served as guest editor for Journal of Nanomaterials and as a reviewer in a wide range of international journals. He has received best oral presentation award at International Conference on Nano Science & Engineering Application (ICONSEA-2014) India and best poster award at Korean Sensor Society Conference 2011, South Korea. He has worked as Technical Program Committee member at International Conference on Materials Science and Engineering (ICMSE 2014), India. He is the member of South Asia Institute of Science and Engineering (SAISE).
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