Journal
NANOTECHNOLOGY
Volume 24, Issue 34, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/24/34/345704
Keywords
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Funding
- National Science Foundation of China [51172142, 21103038]
- Third Phase of the 211 Project for Advanced Materials Science [WS3116205006, WS3116205007]
- US DOE BES Program [DE-FG02-89ER140048]
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Delafossite CuCrO2 and spinel CuCr2O4 with mesoporous structures have been successfully synthesized using nanocasting methods based on a KIT-6 template. The functional activity of the mesoporous materials was evaluated in applications as heterogeneous catalysts. The activity for photocatalytic hydrogen production of the delafossite structures with different morphologies was characterized and the oxidation state changes associated with photocorrosion of Cu+ investigated using electron energy loss spectroscopy (EELS). Mg2+ doping was found to facilitate the casting of ordered structures for CuCrO2 and improves the photocorrosion resistance of delafossite structures. The mesoporous spinel CuCr2O4 nanostructures were found to be active for low temperature CO oxidation.
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