Topochemical Synthesis of Monometallic (Co 2+ –Co 3+ ) Layered Double Hydroxide and Its Exfoliation into Positively Charged Co(OH) 2  Nanosheets | Zendy

Ma Renzhi | Zendy; Takada Kazunori | Zendy; Fukuda Katsutoshi | Zendy; Iyi Nobuo | Zendy; Bando Yoshio | Zendy; Sasaki Takayoshi | Zendy

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Topochemical Synthesis of Monometallic (Co 2+ –Co 3+ ) Layered Double Hydroxide and Its Exfoliation into Positively Charged Co(OH) 2 Nanosheets

Author(s) -

Ma Renzhi,

Takada Kazunori,

Fukuda Katsutoshi,

Iyi Nobuo,

Bando Yoshio,

Sasaki Takayoshi

Publication year - 2007

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200703941

Subject(s) - exfoliation joint , hydroxide , bromine , acetonitrile , chemistry , inorganic chemistry , nuclear chemistry , crystallography , materials science , organic chemistry , nanotechnology , graphene

From platelets to sheets : A topochemical phase conversion employing bromine in acetonitrile transforms β‐Co(OH) 2 into monometallic Co 2+ –Co 3+ layered double hydroxide (LDH) with a Co 2+ /Co 3+ ratio of 2:1 (see the elemental maps of Co, Br, and O in a Br − ‐intercalated Co 2+ –Co 3+ LDH platelet). Further treatment allows exfoliation of Co 2+ –Co 3+ LDH into positively charged Co(OH) 2 nanosheets. Scale bars: 2 μm.

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