Speciation of CuO in MCM-41 during oxidation of naphthalene

Y. P. Sun, H. P. Wang, C. Y. Peng, Tung Li Hsiung, Y. M. Sun, Y. J. Huang

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

By extended X-ray absorption fine structural (EXAFS) spectroscopy, copper oxide clusters with a square-plane structure are found in the channels of mesoporous molecular sieve MCM-41. Bond distances of Cu-O and Cu-Cu are 1.90 and 2.80 Å, respectively. Oxidation of naphthalene at 723 K for 4 h in MCM-41 leads to structural perturbation of the clusters (e.g., Cu-O: -0.02 Å and Cu-Cu: +0.02 Å) with little change in their coordination numbers.

Original languageEnglish
Pages (from-to)1926-1929
Number of pages4
JournalRadiation Physics and Chemistry
Volume75
Issue number11 SPEC. ISS.
DOIs
Publication statusPublished - 2006 Nov

All Science Journal Classification (ASJC) codes

  • Radiation

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