Spatially resolved investigation of solution cast nanoparticle films by X-ray scattering and multidimensional data set classification.
A combinatorial high-throughput approach is used to investigate a solution cast gradient consisting of colloidal gold nanoparticles on top of a silicon substrate by means of a X-ray nanobeam. Classification algorithms are used to reveal and visualize structural transitions from a frozen colloidal solution to a well-defined nanostructure. Prominent length scales on the order of 100 nm are observed. A periodic change in the nanostructure along the gradient is explained by a simplified stick-slip model.
Roth
Stephan V
SV
Deutsches Elektronen-Synchrotron, Notkestr. 85, D-22607 Hamburg, Germany. stephan.roth@desy.de
Rothkirch
André
A
Autenrieth
Tina
T
Gehrke
Rainer
R
Wroblewski
Thomas
T
Burghammer
Manfred C
MC
Riekel
Christian
C
Schulz
Leander
L
Hengstler
Rosmarie
R
Müller-Buschbaum
Peter
P
D020650:Combinatorial Chemistry Techniques; D006046:Gold / Q000737:chemistry; D057166:High-Throughput Screening Assays; D053768:Metal Nanoparticles / Q000737:chemistry*; D012825:Silicon / Q000737:chemistry; D012996:Solutions; D014961:X-Ray Diffraction
D012996:Solutions; D006046:Gold; D012825:Silicon