Journal
INORGANIC CHEMISTRY
Volume 49, Issue 4, Pages 1397-1403Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic902165r
Keywords
-
Categories
Funding
- National Natural Science Foundation of China [20731001, 50725415]
- National Key Program for Basic Research of 973 Program [2007CB613601]
Ask authors/readers for more resources
In this paper, we report a catalyst-free topochemical method, combined with molten salt synthesis (MSS), to synthesize, on a large scale, rodlike and platelet single crystals of Nb2O5. Rodlike KNb3O8 and platelet K4Nb6O17, which were fabricated as the precursors by the molten salt method, were treated by proton exchange and heat treatment to synthesize the rodlike H-Nb2O5 and platelet T-Nb2O5 single crystal, respectively. The synthesized niobium pentaoxides retained the rodlike and platelet shapes of their precursors. The structural changes involved in the process were investigated by Raman spectroscopy, X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. A possible topochemical reaction mechanism is proposed. Furthermore, rodlike and platelet KNbO3 powders were derived from stable H-Nb2O5 and T-Nb2O5, respectively.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available