Journal
SMALL
Volume 18, Issue 19, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202106017
Keywords
catalysts; energy storage; in situ; operando XAS; SAXS; nanomaterials
Categories
Funding
- U.S. National Science Foundation [1924574, 2120559]
- DOE Office of Science [DE-AC02-06CH11357]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1924574] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [2120559] Funding Source: National Science Foundation
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Nanostructured materials have distinct properties from their bulk counterparts, and the nucleation/growth mechanism during synthesis and the changes in working state are summarized. In situ/operando XAS and SAXS provide high resolution for monitoring the evolution of nanomaterials.
Nanostructured materials with high surface area and low coordinated atoms present distinct intrinsic properties from their bulk counterparts. However, nanomaterials' nucleation/growth mechanism during the synthesis process and the changes of the nanomaterials in the working state are still not thoroughly studied. As two indispensable methods, X-ray absorption spectroscopy (XAS) provides nanomaterials' electronic structure and coordination environment, while small-angle X-ray scattering (SAXS) offers structural properties and morphology information. A combination of in situ/operando XAS and SAXS provides high temporal and spatial resolution to monitor the evolution of nanomaterials. This review gives a brief introduction to in situ/operando SAXS/XAS cells. In addition, the application of in situ/operando XAS and SAXS in preparing nanomaterials and studying changes of working nanomaterials are summarized.
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