Seminar


Department of Chemistry
Indian Institute of Technology Delhi

Capturing Interfacial Effects at Solid-Liquid and Solid-Solid Interfaces

Dr. Nirmalya Ballav
Department of Chemistry, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune – 411 008, India . e-mail: nballav@iiserpune.ac.in

Date: Nov 14th 2018 (Wednesday)
Time: 4:00 PM
Venue: Committee Room, Chemistry Department, 6th Floor

An interface is a boundary between two spatial regions either occupied by different matters or by matters in different physical states, for examples, solid-liquid and solid-solid interfaces. We are exploring solid-liquid interfaces to grow thin films of coordination networks via layer-by-layer approach. In so doing, spontaneous reduction of metal ion at solid-liquid interface is observed. As for the solid-solid interfaces, we are observing thermally driven resistive switching in thin films of coordination networks. Such phenomena are apparently arising at the solid-liquid and solid-solid interfaces – an interfacial effect. Notably, reduction of metal ion in liquid phase as well as resistive switching in solid phase are not taking place. Also, electrical rectification at the solid-solid interface was noted unlike in solid. Thin films were successfully employed for fabrication of electronic devices and for electro-catalysis catalysing oxygen reduction reaction. Our findings could provide new opportunities and challenges in advancing the concepts of chemistry occurring at various interfacial reactions.

All are cordially invited to attend.
Convener (Seminars)