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以氢氟酸为溶液中镍离子配位剂,然后加入氨水,调节溶液pH值的同时,作为镍离子补充配位剂,制备了由纳米片花瓣组成的Ni(OH):花状微球.Ni(OH)2花状微球的晶型和微观结构的调控可以简单通过改变溶液pH值来实现.当溶液在7.5≤pH≤8.8范围时,能够得到大量、均匀的Ni(OH)2花状微球.当溶液在7.5≤pH≤8.0范围时,Ni(OH)2微球为a-Hi(OH)2晶型;当溶液在8.0<pH≤8.8范围时,Ni(OH)2微球为a-Ni(OH)2和β-Ni(OH)2的混合晶型.Ni(OH)2花状微球直径在0.6~1.3μm范围内随溶液pH值的变化而变化.Ni(OH)2花状微球由几十个相互连接的纳米片状花瓣组成.纳米片花瓣厚度约60 nm,长度在80~230 nm之间随溶液pH值的变化而显著变化.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2009
Issue: z1
Volume: 38
Page: 316-320
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:4
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WanFang Cited Count: 7
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30 Days PV: 11
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