用水热法合成了过渡金属联吡啶配阳离子硅钨杂多酸:[M(2,2'-bpy)2]2SiW12O40(M=Mn(1)和M=Co(2)),采用红外光谱、元素分析、热重和单晶X射线衍射对其进行了表征.结果表明,化合物1和2是异质同构体,具有二维格子框架结构.初步研究了2种化合物的电催化H2O析出O2性能,发现化合物1对电催化H2O析出O2有一定的催化作用.
参考文献
[1] | Geletii Y V,Huang Z Q.Homogeneous Light-Driven Water Oxidation Catalyzed by a Tetraruthenium Complex with All Inorganic Ligands[J].J Am Chem Soc,2009,131:7522-7523. |
[2] | Mizumo N,Misono M.Heterogeneous Catalysis[J].Chem Rev,1998,98 (1):199-205. |
[3] | Geletii Y V,Hill C L,Atalla R H,et al.Reduction of O2 to Superoxide Anion (O2-) in Water by Heteropolytungstate Cluster-Anions[J].J Am Chem Soc,2006,128:17033-17042. |
[4] | Keita B,Abdeljalil E,Nadjo L,et al.Cooperativity of Copper and Molybdenum Centers in Polyoxometalate-Based Electrocatalysts:Cyclic Voltammetry,EQCM,and AFM Characterization[J].Langmuir,2006,22:10416-10425. |
[5] | Kondrachova L,Hahn B P,Stevenson K J,et al.Cathodic Electrodeposition of Mixed Molybdenum Tungsten Oxides from Peroxo-polymolybdotungstate Solutions[J].Langmuir,2006,22:10490-10498. |
[6] | Cai T J,Liao Y C,Peng Z S,et al.Photocatalytic Performance of TiO2 Catalysts Modified by H3PW12O40,ZrO2 and CeO2[J].J Environ Sci,2009,21:997-1004. |
[7] | Limoges B R,Stanis R J,Turner J A,et al.Electrocatalyst Materials for Fuel Cells Based on the Polyoxometalates[PMo(12.n) VnO40](3+ n)· (n =0 ~3)[J].Electrochim Acta,2005,50:1169-1179. |
[8] | Kuo M C,Stanis R J,Rickett A J,et al.Electrocatalyst Materials for Fuel Cells Based on the Polyoxometalates-K7 or H7[(P2W17O61)FeⅢ (H2O)]and Na12 or H12[(P2W15O56)2Fe4Ⅲ (H2O)2][J].Electrochim Acta,2007,52:2051-2061. |
[9] | Maeda K,Higashi M,Lu D,et al.Efficient Nonsacrificial Water Splitting through Two-Step Photoexcitation by Visible Light Using a Modified Oxynitride as a Hydrogen Evolution Photocatalyst[J].J Am Chem Soc,2010,132:5858-5868. |
[10] | Geletii Y V,Botar B,Kogerler P,et al.An All-Inorganic,Stable,and Highly Active Tetraruthenium Homogeneous Catalyst for Water Oxidation[J].Angew Chem Int Ed,2008,47:3896-3899. |
[11] | Wang H J,You W S,Meng B F,et al.A New 2D Layered Co(Ⅱ) Complex Based on Monosubstituted Keggin Anions and Its Electrocatalytic O2 Evolution[J].J Clust Sci,2010,21:857-865. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%