Effect of KBr on the FTIR spectra of NO 3 -LDHs (Layered Double Hydroxides)

Chemistry Letters

Volumn 38, Issue 8, 2009, Pages 808-809

  Iyi, Nobuo ^a   Geng, Fengxia ^a,b   Sasaki, Takayoshi ^a,b  

^a NATIONAL INSTITUTE FOR MATERIALS SCIENCE   (Japan)

^b UNIVERSITY OF TSUKUBA   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 67650681112     PISSN: 03667022     EISSN: 13480715     Source Type: Journal    
DOI: 10.1246/cl.2009.808     Document Type: Article

References (19)

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3. a) L. Li, R. Ma, Y. Ebina, N. Iyi, T. Sasaki, Chem. Mater. 2005, 17, 4386.
4. b) R. Ma, Z. Liu, L. Li, N. Iyi, T. Sasaki, J. Mater. Chem. 2006, 16, 3809.
5. J. T. Kloprogge, R. L. Frost, in Layered Double Hydroxides, ed. by V. Rives, Nova Science, New York, 2001, Chap. 5, pp. 153-215.
6. For suspension systems, the ATR-FTIR method was used. See: S.-L. Wang, P.-C. Wang, Colloids Surf., A 2007, 292, 131. However, it is an exceptional case.
7. J. Fernández-Bertrán, E. Reguera, Solid State Ionics 1996, 93, 139. See also the literatures cited therein.
8. -1). KBr used was a spectroscopic grade reagent (Aldrich). For ATR measurement, an ATR accessory (Perkin-Elmer L1200361, single reflection-type with Diamond/ZnSe top-plate) was used.
9. J. S. Ard, Anal. Chem. 1953, 25, 1743.
10. 2-MgAl-LDH; Kyowa Kagaku Kogyo Co., Ltd.) was used. Mg/Al = 2.97 (±0.02), carbon content = 2.14wt% (theoretical: 1.93 wt%), and grain size = 0.2-1 μm.
11. N. Iyi, T. Sasaki, J. Colloid Interface Sci. 2008, 322, 237.
12. 2 flow.
13. N. Iyi, K. Fujii, K. Okamoto, T. Sasaki, Appl. Clay Sci. 2007, 35, 218.
14. K. Okamoto, T. Sasaki, T. Fujita, N. Iyi, J. Mater. Chem. 2006, 16, 1608.
15. 3/KBr = 0.0045 in mol) aqueous solution at 50 °C for 1 day.
16. M. Ahtee, Ann. Acad. Sci. Fenn. Ser. A6 1969, 313, 1.
17. R. Metselaar, J. van der Elsken, Phys. Rev. 1968, 165, 359.
18. Preliminary study showed that other anion exchangeable LDHs also exhibit similar spectrum changes (see Figure S7).
19. Supporting Information is also available electronically on the CSJ-Journal Web site, http://www.csj.jp/journals/chem-lett/index.html.