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Synthesis and photocatalytic properties of Ag[Li1/3Ru 2/3]O2: A new delafossite oxide
K. Ramesha, A.S. Prakash, M. Sathiya, , A.K. Shukla
Published in
2011
Volume: 176
   
Issue: 2
Pages: 141 - 146
Abstract
A new delafossite oxide, Ag[Li1/3Ru2/3]O2, synthesized by ion-exchanging interlayer-Li+ with Ag+ in layered Li2RuO3, is reported. The transformation of layered Li2RuO3 (monoclinic, space group C2/c) to Ag[Li1/3Ru2/3]O2 possessing a delafossite structure (space group R3̄m) has been established with powder X-ray diffraction. The successful conversion of Li[Li1/3Ru 2/3]O2 to Ag[Li1/3Ru2/3]O 2 is further confirmed by EDAX analysis. The diffuse reflectance spectrum of Ag[Li1/3Ru2/3]O2 shows broad absorption in the UV-visible region suggesting its use as a photocatalyst. The photocatalytic activity of Ag[Li1/3Ru2/3]O2 has been investigated by degrading various dyes. It showed significant photocatalytic activity for dye degradation both under UV and solar radiation. © 2010 Elsevier B.V. All rights reserved.
About the journal
JournalMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
ISSN09215107