Hydrothermal synthesis of ultralong single‐crystalline α‐Ni(OH)2 nanobelts and corresponding porous NiO nanobelts
作者： Hui Liang , Ling Liu , Zhijie Yang , Yanzhao Yang
关键词: Hydrothermal circulation 、 Chemical engineering 、 Crystal growth 、 Aqueous solution 、 Annealing (metallurgy) 、 Ammonia 、 Nanotechnology 、 Porosity 、 Non-blocking I/O 、 Hydrothermal synthesis 、 Materials science
摘要: Ultralong α-Ni(OH)2 nanobelts with uniform size have been prepared on large scale via a facile template-free hydrothermal method. The as-prepared were single crystals, several tens of microns in length and about 100 nm width. For the whole process, novel nucleation–aggregation–dissolution–seed-directed growth mechanism was proposed based experimental results. roles aqueous ammonia temperature also discussed. Furthermore, porous NiO obtained by annealing Ni(OH)2 nanobelts. This facile, template-free, low cost method might feasibly be scaled up for industrial production. (© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
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