Proceedings of nanoGe Spring Meeting 2022 (NSM22)
DOI: https://doi.org/10.29363/nanoge.nsm.2022.242
Publication date: 7th February 2022
Over the past years we have developed various approaches to fabricate materials with sophisticated chemical and structural complexity. We have focused on synthesis in non-aqueous solution since this approach is not limited to one particular class of materials. Thus, it gives us flexibility to tailor the composition and properties of materials in respect to the application, for examples carbon dioxide sensors and photo-electrochemical devices.
In this talk, I will present how X-ray synchrotron methods, far from merely providing new tools, are extending the ways we study, understand and design such complex structures. A combination of spectroscopic, scattering and microscopic X-ray methods and rapid data acquisition help to uncover the complex chemical world behind the synthesis of functional materials. It gives complementary information about chemical reaction in solution and nucleation, growth and crystal phase transition of nanoparticles. [1-4] Moreover, on the selected examples, I will discuss how the possibility to select with high-energy resolution the incident and emission hard X-ray energies offers unprecedented site selectivity and give access to determine structure – function relationship of photo-, electroactive materials and devices. [5-6] Finally, will discuss the advantages and the pitfalls of the synchrotron methods for in situ and operando studies.
This work was supported by the European Research Council within the project LINCHPIN (grant no. 818941), by the Bundesministerium für Bildung und Forschung (BMBF) via project LUCENT (grant no. 05K19WMA) the Cluster of Excellence “CUI: Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG) - EXC 2056 - project ID 390715994, and by GRK 2536 NANOHYBRID of the DFG.
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