| Description: | [DPS Seminar] Prof. Nigel Mason (The Open University, UK) -- ELECTRON CONTROLLED (NANO) CHEMISTRY |
| Date: | Thursday, Jan 14, 2016 |
| Time: | 2 p.m. - 3:30 p.m. |
| Venue: | G06, Lecture Hall Complex |
| Details: | The ability to manipulate and control chemical reactions remains one of the major goals and challenges of modern physical and chemical research but, should (when) we gain such control, it will open unprecedented opportunities for both understanding processes in our natural world and the development of new technologies that will underpin the economic (and social) advances of the 21st century. Consequently there has been a major research effort to explore different methodologies that may provide such chemical control. One of the most exciting developments in recent molecular physics has been the discovery that Low Energy Electrons (LEE) may not only dissociate the molecular target but may do so at well defined reaction sites often leading to almost 100% bond selectivity thence initiating controlled chemical processing in the local environment. The process by which LEE can induce such bond selective molecular fragmentation is known as Dissociative Electron Attachment (DEA). Low energy Dissociative Electron Attachment (DEA) therefore suggests an innovative and highly promising mechanism for chemical control in dense/condensed media that is universal (since it occurs in almost all molecular systems), efficient (high cross sections) and deliverable at a potentially low cost (since it is based on electron beam sources rather than for example high cost high maintenance laser systems). In this talk I will review the field of electron induced (nano)chemistry both in natural phenomena (such as astrochemistry) and as a technological tool (e.g. in nanolithography, plasma processing and radiotherapy). |
| Calendar: | Seminar Calendar (entered by ritesh.singh) |