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Watching nanocrystals in action
The assembly of colloidal nanocrystal building blocks into ordered superlattices presents many scientifically interesting and technologically important research challenges to create programmable matter from “crystals-of-crystals”.
2D organic-inorganic perovskites pave the way to novel low-cost solar cells
Organic-inorganic lead iodide perovskites are a much studied materials class that have reached solar cell efficiencies above 22% – on par with amorphous silicon – in only a few years after discovery.
The Real Thing: D-line sample robot serves first user group
Combinatorial thin film research can comprise hundreds of samples grown with slightly different compositions or processing conditions.
Lateral or vertical — that is the question!
In a Forum Article, which was recently published online in the journal “ACS Applied Materials & Interfaces” [1], Anatoly V. Berezkin and coworkers attempted to figure out what happens when you prepare thin films from two homologous diblock copolymers differing only in overall length.
CHESS facility helps scale up solar cells
Scientists and engineers are constantly working to improve the performance of solar cells. Rather than changing their formulas by trial and error, they would like to understand the chemistry that happens as their recipes cook.
Formation of high-performance photovoltaic materials from solution
Mixed organic-inorganic halide perovskite materials have been in the spotlight in the photovoltaics research community due to excellent optoelectronic properties and the potential of cost-efficient production via solution processing.
In-situ x-ray scattering studies of solvent vapor annealing reviewed
Based on research spanning more than 15 years at CHESS and at HASYLAB, Christine M. Papadakis at the Technical University of Munich (TUM), Germany, Dorthe Posselt at Roskilde University, Denmark, and CHESS staff scientist Detlef Smilgies published a comprehensive review on in-situ solvent vapor annealing processes in block copolymers, based on their own work and important contributions by other groups [1].
Run, run, as fast as you can – laser spike annealing of block copolymer films
Thermal annealing is a standard method for bringing block copolymer films into their thermal equilibrium morphology.