Journal of Inorganic Materials >
Synthesis of New Zn-containing Derivative by Multi-step Ion-exchanges
Received date: 2009-12-09
Revised date: 2010-01-21
Online published: 2010-07-19
A new material, Zn-containing derivative from SrBi2Nb2O9, was synthesized by multi-step ion-exchanges with H+/(BiO)+, TMA+ (tetramethylammonium ions)/H+, and Zn(NH3)42+/TMA+ step by step. X-ray diffraction (XRD) patterns exhibite the difference in the layered structures among the precursor SrBi2Nb2O9 (SBN), its protonated product (HSN), and Zn-containing derivative (ZSN). The compositional analyses reveal the extraction of most of the bismuth atoms and the loss of a small part of the strontium atoms after protonation. The UV-Vis (ultraviolet-visible) absorption edge of the Zn-containing derivative shifts markedly to high energy compared with that of the precursor and its protonated product.
Key words： SrBi2Nb2O9; protonation; ion-exchange; UV-Vis absorption
CHEN Yu-Feng, ZHOU Song-Hua, YANG Xiao-Jing . Synthesis of New Zn-containing Derivative by Multi-step Ion-exchanges[J]. Journal of Inorganic Materials, 2010 , 25(8) : 806 -810 . DOI: 10.3724/SP.J.1077.2010.00806
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