Multimetallic Hierarchical Aerogels: Shape Engineering of the Building Blocks for Efficient Electrocatalysis

被引:115
作者
Cai, Bin [1 ]
Dianat, Arezoo [2 ,3 ]
Huebner, Rene [4 ]
Liu, Wei [1 ]
Wen, Dan [1 ]
Benad, Albrecht [1 ]
Sonntag, Luisa [1 ]
Gemming, Thomas [5 ]
Cuniberti, Gianaurelio [2 ,3 ]
Eychmueller, Alexander [1 ]
机构
[1] Tech Univ Dresden, Phys Chem, Ctr Adv Elect Dresden, Bergstr 66b, D-01062 Dresden, Germany
[2] Tech Univ Dresden, Inst Mat Sci, Hallwachsstr 3, D-01069 Dresden, Germany
[3] Tech Univ Dresden, Max Bergmann Ctr Biomat, Ctr Adv Elect Dresden, Hallwachsstr 3, D-01069 Dresden, Germany
[4] Helmholtz Zentrum Dresden Rossendorf, Bautzner Landstr 400, D-01328 Dresden, Germany
[5] IFW Dresden, Inst Complex Mat, D-01171 Dresden, Germany
关键词
HIGH-PERFORMANCE; OXIDIZING ETHANOL; METAL; NANOSTRUCTURES; NANOPARTICLES; NANOCRYSTALS; REPLACEMENT; OXIDATION;
D O I
10.1002/adma.201605254
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new class of multimetallic hierarchical aerogels composed entirely of interconnected Ni-PdxPty nano-building-blocks with in situ engineered morphologies and compositions is demonstrated. The underlying mechanism of the galvanic shape-engineering is elucidated in terms of nanowelding of intermediate nanoparticles. The hierarchical aerogels integrate two levels of porous structures, leading to improved electrocatalysis performance.
引用
收藏
页数:9
相关论文
共 34 条
[1]  
[Anonymous], 2013, ANGEW CHEM
[2]   Sol-gel methods for the assembly of metal chalcogenide quantum dots [J].
Arachchige, Indika U. ;
Brock, Stephanie L. .
ACCOUNTS OF CHEMICAL RESEARCH, 2007, 40 (09) :801-809
[3]  
Bigall N. C., 2009, ANGEW CHEM, V121, P9911
[4]   Hydrogels and Aerogels from Noble Metal Nanoparticles [J].
Bigall, Nadja C. ;
Herrmann, Anne-Kristin ;
Vogel, Maria ;
Rose, Marcus ;
Simon, Paul ;
Carrillo-Cabrera, Wilder ;
Dorfs, Dirk ;
Kaskel, Stefan ;
Gaponik, Nikolai ;
Eychmueller, Alexander .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2009, 48 (51) :9731-9734
[5]  
Cai B., 2015, ANGEW CHEM, V127, P13293
[6]   Function-Led Design of Aerogels: Self-Assembly of Alloyed PdNi Hollow Nanospheres for Efficient Electrocatalysis [J].
Cai, Bin ;
Wen, Dan ;
Liu, Wei ;
Herrmann, Anne-Kristin ;
Benad, Albrecht ;
Eychmueller, Alexander .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2015, 54 (44) :13101-13105
[7]   Colloidal Nanocrystal-Based Gels and Aerogels: Material Aspects and Application Perspectives [J].
Gaponik, Nikolai ;
Herrmann, Anne-Kristin ;
Eychmueller, Alexander .
JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2012, 3 (01) :8-17
[8]   Bimetallic Nanocrystals: Syntheses, Properties, and Applications [J].
Gilroy, Kyle D. ;
Ruditskiy, Aleksey ;
Peng, Hsin-Chieh ;
Qin, Dong ;
Xia, Younan .
CHEMICAL REVIEWS, 2016, 116 (18) :10414-10472
[9]   Merging of metal nanoparticles driven by selective wettability of silver nanostructures [J].
Grouchko, Michael ;
Roitman, Polina ;
Zhu, Xi ;
Popov, Inna ;
Kamyshny, Alexander ;
Su, Haibin ;
Magdassi, Shlomo .
NATURE COMMUNICATIONS, 2014, 5
[10]  
HARRIS DC, 1991, CAN MINERAL, V29, P231