Galvanic Replacement Reactions in Metal Oxide Nanocrystals

被引：494

作者：

Oh, Myoung Hwan ^{[1
,2
,3
]}

Yu, Taekyung ^{[4
]}

Yu, Seung-Ho ^{[1
,2
,3
]}

Lim, Byungkwon ^{[5
]}

Ko, Kyung-Tae ^{[6
,7
]}

Willinger, Marc-Georg ^{[8
]}

Seo, Dong-Hwa ^{[9
]}

Kim, Byung Hyo ^{[1
,2
,3
]}

Cho, Min Gee ^{[1
,2
,3
]}

Park, Jae-Hoon ^{[6
,7
,10
]}

Kang, Kisuk ^{[9
]}

Sung, Yung-Eun ^{[1
,2
,3
]}

Pinna, Nicola ^{[2
,3
,11
,12
,13
]}

Hyeon, Taeghwan ^{[1
,2
,3
]}

机构：

[1] Seoul Natl Univ, Inst Basic Sci, Ctr Nanoparticle Res, Seoul 151742, South Korea

[2] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea

[3] Seoul Natl Univ, World Class Univ WCU Program Chem Convergence Ene, Seoul 151742, South Korea

[4] Kyung Hee Univ, Coll Engn, Dept Chem Engn, Yongin 446701, South Korea

[5] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South Korea

[6] Pohang Univ Sci & Technol, Pohang 790784, South Korea

[7] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea

[8] Max Planck Gesell, Fritz Haber Inst, Dept Inorgan Chem, D-14195 Berlin, Germany

[9] Seoul Natl Univ, Dept Mat Sci & Engn, Res Inst Adv Mat, Seoul 151742, South Korea

[10] Pohang Univ Sci & Technol, Div Adv Mat Sci, Pohang 790784, South Korea

[11] Univ Aveiro, Dept Chem, P-3810193 Aveiro, Portugal

[12] Univ Aveiro, Ctr Res Ceram & Composite Mat, P-3810193 Aveiro, Portugal

[13] Humboldt Univ, Inst Chem, D-12489 Berlin, Germany

来源：

SCIENCE | 2013年 / 340卷 / 6135期

基金：

新加坡国家研究基金会;

关键词：

LITHIUM-ION BATTERIES; CATION-EXCHANGE; ANODE MATERIAL; NANOPARTICLES; HYBRID; SILVER; NANOSTRUCTURES; NANOCAPSULES; TEMPERATURE; DISSOLUTION;

D O I：

10.1126/science.1234751

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Galvanic replacement reactions provide a simple and versatile route for producing hollow nanostructures with controllable pore structures and compositions. However, these reactions have previously been limited to the chemical transformation of metallic nanostructures. We demonstrated galvanic replacement reactions in metal oxide nanocrystats as well. When manganese oxide (Mn3O4) nanocrystals were reacted with iron(II) perchlorate, hollow box-shaped nanocrystats of Mn3O4/gamma-Fe2O3 ("nanoboxes") were produced. These nanoboxes ultimately transformed into hollow cagetike nanocrystats of gamma-Fe2O3 ("nanocages"). Because of their nonequihbrium compositions and hollow structures, these nanoboxes and nanocages exhibited good performance as anode materials for lithium ion batteries. The generality of this approach was demonstrated with other metal pairs, including Co3O4/SnO2 and Mn3O4/SnO2.

引用

页码：964 / 968

页数：5

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