Unusually Large Tunneling Effect on Highly Efficient Generation of Hydrogen and Hydrogen Isotopes in pH-Selective Decomposition of Formic Acid Catalyzed by a Heterodinuclear Iridium-Ruthenium Complex in Water

被引:238
作者
Fukuzumi, Shunichi [1 ]
Kobayashi, Takeshi [1 ]
Suenobu, Tomoyoshi [1 ]
机构
[1] Osaka Univ, Grad Sch Engn, Japan Sci & Technol Agcy, Dept Mat & Life Sci,SORST, Suita, Osaka 5650871, Japan
关键词
STORAGE MATERIAL; FUEL-CELLS; H-2; TEMPERATURE;
D O I
10.1021/ja910349w
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A heterodinuclear iridium-ruthenium complex [Ir(III)(Cp*)(H(2)O)(bpm)Ru(II)(bpy)(2)](SO(4))(2) {1(SO(4))(2), Cp* = eta(5)-pentamethylcyclopentadienyl, bpm = 2,2'-bipyrimidine, bpy = 2,2'-bipyridine} acts as the most effective catalyst for selective production of hydrogen from formic acid in an aqueous solution at ambient temperature among catalysts reported so far. An unusually large tunneling effect was observed for the first time for the catalytic hydrogen production in H(2)O vs D(2)O.
引用
收藏
页码:1496 / +
页数:4
相关论文
共 27 条
[21]   A dinuclear Ni(μ-H)Ru complex derived from H2 [J].
Ogo, Seiji ;
Kabe, Ryota ;
Uehara, Keiji ;
Kure, Bunsho ;
Nishimura, Takashi ;
Menon, Saija C. ;
Harada, Ryosuke ;
Fukuzumi, Shunichi ;
Higuchi, Yoshiki ;
Ohhara, Takashi ;
Tamada, Taro ;
Kuroki, Ryota .
SCIENCE, 2007, 316 (5824) :585-587
[22]   Tunneling in C-H oxidation reactions by an oxoiron(IV) porphyrin radical cation: Direct measurements of very large H/D kinetic isotope effects [J].
Pan, Zhengzheng ;
Horner, John H. ;
Newcomb, Martin .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (25) :7776-+
[23]   Strategies for hydrogen storage in metal-organic frameworks [J].
Rowsell, JLC ;
Yaghi, OM .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2005, 44 (30) :4670-4679
[24]   ABINITIO QUANTUM-CHEMICAL STUDY OF THE UNIMOLECULAR PYROLYSIS MECHANISMS OF FORMIC-ACID [J].
RUELLE, P ;
KESSELRING, UW ;
NAMTRAN, H .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (03) :371-375
[25]   Hydrogen-storage materials for mobile applications [J].
Schlapbach, L ;
Züttel, A .
NATURE, 2001, 414 (6861) :353-358
[26]   PALLADIUM-CATALYZED DECOMPOSITION OF AQUEOUS ALKALI-METAL FORMATE SOLUTIONS [J].
WIENER, H ;
SASSON, Y ;
BLUM, J .
JOURNAL OF MOLECULAR CATALYSIS, 1986, 35 (03) :277-284
[27]   HEAVY-HYDROGEN DRUGS TURN HEADS, AGAIN [J].
Yarnell, Amanda .
CHEMICAL & ENGINEERING NEWS, 2009, 87 (25) :36-+