Proceedings of September Meeting 2016 (NFM16)
Publication date: 14th June 2016
Charge transport mobility in organic semiconductors is limited by energetic and configurational disorder. The energetic disorder arises partly from intrinsic effects such as variations in the strength of intra and intermolecular coupling, and partly from extrinsic effects such as chemical defects. Using fullerene films as a model system we study the effects of intrinsic and extrinsic phenomena on the electronic structure, density of states and electron transport in fullerene assemblies generated by coarse grained molecular dynamics [1]. We do this using a tight binding model of the electronic structure of the assembly, in which the self-trapping of the charge through the dielectric response of the surrounding medium (i.e. polaron formation) is included self-consistently. We calculate the polaron binding energy from calculations of the static and optical dielectric function of the medium. By comparing the results to experimental data we can evaluate the relative effect of extrinsic defects and intrinsic disorder on charge transport in fresh and aged films. We show how the tight binding approach can be applied to other problems such as the electronic structure in disordered macromolecular systems, and to the composition dependent density of states of multicomponent molecular systems.
nanoGe is a prestigious brand of successful science conferences that are developed along the year in different areas of the world since 2009. Our worldwide conferences cover cutting-edge materials topics like perovskite solar cells, photovoltaics, optoelectronics, solar fuel conversion, surface science, catalysis and two-dimensional materials, among many others.
Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.