Now showing items 21-30 of 110
Probing the Relationship Between Molecular Packing and Optoelectronic Properties in Molecular Electronic Materials
The properties (electronic, optical, mechanical and thermal) of organic semiconductors are strongly dependent on the chemical structure, configuration, conformation and relative position of the component molecules or ...
Disorder effects in the electronic properties of organic solar cells
(Georgia Institute of Technology, 2012-11-02)
Bulk heterojunction organic solar cells have a complex physical structure made up of nanoscale domains of donors and acceptors, each of which is a disordered material. Understanding the electronic properties has proved ...
Electronic Processes and Phenomena in Organic Materials: A Materials Scientist’s Point of View
(Georgia Institute of Technology, 2013-07-12)
In the past decade, significant progress has been made in the fabrication of organic semiconductor thin-film devices predominantly due to important improvements of existing materials and the creation of a wealth of novel ...
Dynamic, Reversible and Hybrid Materials: Properties and Applications
(Georgia Institute of Technology, 2014-03-13)
Dynamic systems that can undergo reversible processes are of great interest for the development of new materials, sensors, and biolabels. The talk will illustrate some of the recent results on soft structures based on metal ...
Recent Progress in Organic Solar Cells: From a Lab Curiosity to a Serious Photovoltaic Technology
(Georgia Institute of Technology, 2014-02-07)
Carbon-based organic semiconductors have many potential advantages like easy large-area preparation on flexible substrates, large variety of materials, and low cost. Although known for a century, organics have achieved ...
Energetic Disorder and Carrier Transport in Photovoltaic Polymers
Solution processable polymeric solar cells have drawn a lot of attention due to their potential for low cost roll-to-roll manufacturing. Compared with inorganic semiconductors, polymer semiconductors have relatively low ...
2014 COPE Fellowship Award Winners
Thomas Bougher, a graduate student in Mechanical Engineering presents "Thermal Transport in Chain-oriented Amorphous Polymers".
Near net-shape/net-dimension ZrC/W-based composites with complex geometries via rapid prototyping and Displacive Compensation of Porosity
(Georgia Institute of Technology, 2010-08)
ZrC/W-based composite:. with complex shapes have been fabricated by combining rapid prototyping methods for synthesizing porous WC preforms with the shape/dimension-preserving, reactive infiltration-based Displacive ...
Exploring the Synthesis and Applications of Graphene
Graphene is the ultimate two-dimensional material consisting of a single layer of sp hybridized carbon. Here we explore different approaches to synthesize this carbon allotrope, ranging from chemical conversion to vapor ...
Efficient Polymer Solar Cells
(Georgia Institute of Technology, 2013-01-25)
The power conversion efficiency of organic solar cells depends on the quantum and energy efficiency by which photons from the sun are converted into electrical power. Absorption of light, charge generation, transport and ...