Impact of Molecules, Morphology and Nano/microstructures in Sensing, Optical, Energy and Display applications

Chemistry Department Seminar Faculty Candidate
Dr. Kaushik Balakrishnan

Monday March 2, 2015 – 4:00 PM
Chem-Sci 101

Abstract
The ability to control optical and electrical properties of materials as a function of size and dimension has profound implications in numerous miniaturized technologies such as sensing, communication, lighting, display, optical and electrical circuits, and energy applications. This talk will unravel critical information about molecular stacks from individual molecular entities and advance to our newly uncovered possibilities to co-¬‐localize, and co-¬‐assemble two distinct molecular entities in a single stack of highly organized assemblies. Such self-¬‐assembled structures show immense potential in photonic and opto-¬‐electronic devices and are a promising approach for advancing organic electronic materials in advance applications.
Second part of this talk will focus on energy harvesting and storage. The nanocarbon structures such as carbon nanotubes, and graphene are highly attractive for use as electrodes in supercapacitors, and lithium ion batteries. The detailed workings of the recent breakthroughs in ‘in-¬‐plane’ geometry that enables an ultrathin, flexible, and solid-¬‐state graphene based supercapacitors will be described. Also, nanocomposites for achieving high performance electrolytes capable of withstanding high temperatures with large voltage windows for next generation of supercapacitors and batteries will also be described.


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