期刊
CHEMCATCHEM
卷 6, 期 11, 页码 3084-3090出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201402607
关键词
metal-organic frameworks; mesoporous materials; nickel; pyrolysis; reduction
资金
- National Natural Science Foundation of China [21303229, 21173269]
- Ministry of Science and Technology of China [2011BAK15B05]
- Science Foundation of China University of Petroleum, Beijing [2462013YJRC018]
- U.S. DOE [DE-AC02-06CH11357]
- Shanghai Synchrotron Radiation Facility [13SRBL14B14717]
Nickel/nanoporous carbon (Ni/NPC) composites are facilely prepared by direct pyrolysis of nonporous heterobimetallic zinc-nickel-terephthalate frameworks (Zn1-xNixMOF, x approximate to 0-1, MOF= metal-organic framework) at 1223 K in situ. Tailoring the Ni/Zn ratio creates densely populated and small Ni nanocrystals (Ni NCs) while maintaining sufficient porosity and surface area in the final product, which exhibits the largest activity factor (9.2 s(-1)g(-1)) and excellent stability toward 4-nitrophenol reduction.
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