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Published on: November 27, 2015
In situ total X-ray scattering study of WO₃ nanoparticle formation under hydrothermal conditions
Dipankar Saha1, Kirsten M Ø Jensen, Christoffer Tyrsted
1Center for Materials Crystallography, Department of Chemistry and iNANO, Aarhus University, Langelandsgade 140, 8000 Aarhus (Denmark).
Abstract:
Pair distribution function analysis of in situ total scattering data recorded during formation of WO3 nanocrystals under hydrothermal conditions reveal that a complex precursor structure exists in solution. The WO6 polyhedra of the precursor cluster undergo reorientation before forming the nanocrystal. This reorientation is the critical element in the formation of different hexagonal polymporphs of WO3.
