Proceedings of nanoGe Fall Meeting 2021 (NFM21)
DOI: https://doi.org/10.29363/nanoge.nfm.2021.058
Publication date: 23rd September 2021
We study liquid inks that form hybrid functional electronic films when drying. The interplay between organic and inorganic components affects structure and electronic properties. In this talk, I will focus on the case of metal or semiconductor particles and discuss how non-polar organic shells change their agglomeration and assembly into dielectric films [1].
Experiments that monitor the agglomeration and self-assembly in non-polar dispersions allow us to follow the film formation of spherical and anisometric particles. Systematic variation of the geometry of spherical particles with metal or semiconductor cores and dense alkyl shells indicate a transition between core- and shell-dominated assembly of non-polar dispersions that I will outline [2]. The comparison of spherical particles with ultrathin wires indicates that entropic effects strongly depend on solvent molecule geometry and that they can induce nanowire agglomeration or “bundling” [3]. Comparatively little is known on the assembly of highly concentrated dispersions. I will introduce new types of experiments that probe this regime using small, evaporating droplets of dispersions that we bring into the X-ray beam of a small-angle beamline [4].
Complexity increases when using electronically conductive organic shells on inorganic particles. I will briefly discuss hybrids of gold spheres that are coated with polythiophenes. The molecular arrangement of the monomer units on the metal surface depends on the core geometry and affects bulk conductivity [5].
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.