期刊
ACS APPLIED NANO MATERIALS
卷 1, 期 12, 页码 7115-7128出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.8b01969
关键词
gibbsite; boehmite; aluminum oxides; nanoplates; material synthesis; thermal decomposition; neutron scattering; temperature-dependent Raman
资金
- IDREAM (Interfacial Dynamics in Radioactive Environments and Materials), an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES)
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- DOE Office of Science User Facility [DE-AC02-05CH11231]
- DOE BES [DE-FC02-04ER15S33]
- National Science Foundation [DMR-1508249]
- DOE Office of Biological and Environmental Research
- DOE by Battelle Memorial Institute [DE-AC05-76RL0-1830]
Boehmite (gamma-AlOOH) and gibbsite (alpha-Al-(OH)(3)) are important archetype (oxy)hydroxides of aluminum in nature that also play diverse roles across a plethora of industrial applications. Developing the ability to understand and predict the properties and characteristics of these materials, on the basis of their natural growth or synthesis pathways, is an important fundamental science enterprise with wide-ranging impacts. The present study describes bulk and surface characteristics of these novel materials in comprehensive detail, using a collectively sophisticated set of experimental capabilities, including a range of conventional laboratory solids analyses and national user facility analyses such as synchrotron X-ray absorption and scattering spectroscopies as well as small-angle neutron scattering. Their thermal stability is investigated using in situ temperature-dependent Raman spectroscopy. These pure and effectively defect-free materials are ideal for synthesis of advanced alumina products.
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