Skip to main content Accessibility help
×
Home

Mesoporous Co–B amorphous alloy films with enhanced catalytic efficiency prepared from a mixed-surfactant solution

  • Hui Li (a1), Jun Liu (a1), Haixia Yang (a1) and Hexing Li (a1)

Abstract

Co–B films were synthesized through the solvent evaporation-assisted chemical reduction method by using a mixed-surfactant solution containing Span 40 and (1S)-(+)-10-camphorsulfonic acid. With the characterization of x-ray diffraction, selected-area electron diffraction, x-ray photoelectron spectroscopy, scanning electron micrography, and transmission electron micrography, the resulting Co–B films were identified to be amorphous alloys with mesoporous structure. The synergistic effect of two kinds of surfactants is essential for the formation of mesoporous structure. During liquid-phase cinnamaldehyde hydrogenation to cinnamyl alcohol, the mesoporous Co–B amorphous alloy films exhibited a much higher activity and better selectivity than the solid Co–B nanoparticles prepared by direct reduction of cobalt ions with borohydride. The enhanced activity is attributed to both the mesoporous and the film structure, which provides more Co active sites for the adsorption and diffusion of reactant molecules. The improved selectivity may be related to the difference in surface curvature.

Copyright

Corresponding author

a) Address all correspondence to this author. e-mail: lihui@shnu.edu.cn

References

Hide All
1.Klement, W., Willens, R.H., and Duwez, P.: Non-crystalline structure in solidified gold-silicon alloys. Nature 187, 869 (1960).
2.Van Wonterghem, J., Mrup, S., Koch, C.J.W., Charles, S.W., and Wells, S.: Formation of ultrafine amorphous alloy particles by reduction in aqueous solution. Nature 322, 622 (1986).
3.Molnar, A., Smith, G.V., and Bartok, M.: New catalytic materials from amorphous metal alloys. Adv. Catal. 36, 329 (1989).
4.Baiker, A.: Metallic glasses in heterogeneous catalysis. Faraday Discuss. Chem. Soc. 87, 239 (1989).
5.Chen, Y.: Chemical preparation and characterization of metalmetalloid ultrafine amorphous alloy particles. Catal. Today 44, 3 (1998).
6.Deng, J.F., Li, H.X., and Wang, W.J.: Progress in design of new amorphous alloy catalysts. Catal. Today 51, 113 (1999).
7.Schlgl, R. and Hamid, S.B. Abd: Nanocatalysis: Mature science revisited or something really new. Angew. Chem. Int. Ed. 43, 1628 (2004).
8.Zhang, H., Zhu, Q., Zhang, Y., Wang, Y., Zhao, L., and Yu, B.: Onepot synthesis and hierarchical assembly of hollow Cu2O microspheres with nanocrystals-composed porous multishell and their gas-sensing properties. Adv. Funct. Mater. 17, 2766 (2007).
9.Attard, G.S., Gltner, C.G., Corker, J.M., Henke, S., and Templer, R.H.: Liquid-crystal templates for nanostructured metals. Angew. Chem., Int. Ed. Engl. 36, 1315 (1997).
10.Schth, F.: Non-siliceous mesostructured and mesoporous materials. Chem. Mater. 13, 3184 (2001).
11.Yamauchi, Y. and Kuroda, K.: Rational design of mesoporous metals and related nanomaterials by a soft-template approach. Chem. Asian J. 3, 664 (2008).
12.Saramat, A., Andersson, M., Hant, S., Thormhlen, P., Skoglundh, M., Attard, G.S., and Palmqvist, A.E.C.: Differences in catalytic properties between mesoporous and nanoparticulate platinum. Eur. Phys. J. D 43, 209 (2007).
13.Li, H.X., Zhao, Q.F., Wan, Y., Dai, W.L., and Qiao, M.H.: Selfassembly of mesoporous NiB amorphous alloy catalysts. J. Catal. 244, 251 (2006).
14.Li, H., Yang, H.X., and Li, H.X.: Highly active mesoporous CoB amorphous alloy catalyst for cinnamaldehyde hydrogenation to cinnamyl alcohol. J. Catal. 251, 233 (2007).
15.Meng, Q., Li, H., and Li, H.X.: Self-assembly of mesoporous ruthenium-boron amorphous alloy catalysts with enhanced activity in maltose hydrogenation to maltitol. J. Phys. Chem. C 112, 11448 (2008).
16.Lu, Y.F., Ganguli, R., Drewien, C.A., Anderson, M.T., Brinker, C.J., Gong, W.L., Guo, Y.X., Soyez, H., Dunn, B., Huang, M.B., and Zink, J.I.: Continuous formation of supported cubic and hexagonal mesoporous films by sol-gel dip-coating. Nature 389, 364 (1997).
17.Yamauchi, Y., Ohsuna, T., and Kuroda, K.: Synthesis and structural characterization of a highly ordered mesoporous PtRu alloy via evaporation-mediated direct templating. Chem. Mater. 19, 1335 (2007).
18.Sakai, G., Yoshimura, T., Isohata, S., Uota, M., Kawasaki, H., Kuwahara, T., Fujikawa, D., and Kijima, T.: Synthesis of nanogroove- network-structured platinum nanosheets and their carbonsupported forms using a mixed-surfactant templating approach. Adv. Mater. 19, 237 (2007).
19.Luo, K., Walker, C.T., and Edler, K.J.: Mesoporous silver films from dilute mixed-surfactant solutions by using dip-coating. Adv. Mater. 19, 1506 (2007).
20.Pei, Y., Hu, H.R., Fang, J., Qiao, M.H., Dai, W.L., Fan, K.N., and Li, H.X.: Liquid phase hydrogenation of crotonaldehyde over Sn-promoted amorphous CoB catalysts. J. Mol. Catal. A: Chem. 211, 243 (2004).
21.Pei, Y., Wang, J.Q., Fu, Q., Guo, P.J., Qiao, M.H., Yan, S.R., and Fan, K.N.: A non-noble amorphous CoFeB catalyst highly selective in liquid phase hydrogenation of crotonaldehyde to crotyl alcohol. New J. Chem. 29, 992 (2005).
22.Pei, Y., Guo, P.J., Qiao, M.H., Li, H.X., Wei, S.Q., He, H.Y., and Fan, K.N.: The modification effect of Fe on amorphous CoB alloy catalyst for chemoselective hydrogenation of crotonaldehyde. J. Catal. 248, 303 (2007).
23.Marinellik, T.B.L.W., Nabuurs, S., and Ponec, V.: Activity and selectivity in the reactions of substituted a, -unsaturated aldehydes. J. Catal. 151, 431 (1995).
24.Li, H.X., Wu, Y.D., Luo, H.S., Wang, M.H., and Xu, Y.P.: Liquid phase hydrogenation of acetonitrile to ethylamine over the CoB amorphous alloy catalyst. J. Catal. 214, 15 (2003).
25.Scholten, J.J.F., Pijers, A.P., and Hustings, A.M.L.: Surface characterization of supported and nonsupported hydrogenation catalysts. Catal. Rev.Sci. Eng. 27, 151 (1985).
26.Curran, S.A., Zhang, D., Dundigal, S., and Blau, W.: Doping properties of polydithienylmethine: A study on the correlation between polymer chain length, spectroscopy, and transport. J. Phys. Chem. B 110, 3924 (2006).
27.Lee, K., Kwag, H., Kim, B., Kim, G.J., Kim, K.H., and Choe, S.: Temperature-dependent desorption of surfactants in LLDPE blend films. J. Polym. Sci., Part B: Polym. Phys. 39, 218 (2001).
28.Yokoyama, A., Komiyama, H., Inoue, H., Masumoto, T., and Kimura, H.M.: The hydrogenation of carbon monoxide by amorphous ribbons. J. Catal. 68, 355 (1981).
29.Klein, S., Martens, J.A., Parton, R., Vercruysse, K., Jacobs, P.A., and Maier, W.F.: Amorphous microporous mixed oxides as selective redox catalysts. Catal. Lett. 38, 209 (1996).
30.McIntyre, N.S. and Cook, M.G.: X-ray photoelectron studies on some oxides and hydroxides of cobalt, nickel, and copper. Anal. Chem. 47, 2208 (1975).
31.Li, H., Li, H.X., Dai, W.L., Wang, W.J., Fang, Z.G., and Deng, J.F.: XPS studies on surface electronic characteristics of NiB and NiP amorphous alloy and its correlation to their catalytic properties. Appl. Surf. Sci. 152, 25 (1999).
32.Glavee, G.N., Klabunde, K.J., Sorensen, C.M., and Hadjipanayis, G.C.: Sodium borohydride reduction of cobalt ions in nonaqueous media. Formation of ultrafine particles (nanoscale) of cobalt metal. Inorg. Chem. 32, 474 (1993).
33.Li, H.X., Li, H., Dai, W.L., and Qiao, M.H.: Preparation of the NiB amorphous alloys with variable boron content and its correlation to the hydrogenation activity. Appl. Catal., A 238, 119 (2003).
34.Zhang, J., Dai, Z., Bao, J., Zhang, N., and Lpez-Quintela, M.A.: Self-assembly of Co-based nanosheets into novel nest-shaped nanostructures: Synthesis and characterization. J. Colloid Interface Sci. 305, 339 (2007).
35.Shen, B.R., Wei, S.Q., Fan, K.N., and Deng, J.F.: EXAFS study on ultrafine NiCoB amorphous catalysts. Appl. Phys. A 65, 295 (1997).
36.Dag, ., Alayolu, S., Tura, C., and Celik, .: Lyotropic liquidcrystalline phase of oligo(ethylene oxide) surfactant/transition metal salt and the synthesis of mesostructured cadmium sulfide. Chem. Mater. 15, 2711 (2003).
37.Noller, H. and Lin, W.M.: Activity and selectivity of nickelcopper/alumina catalysts for hydrogenation of crotonaldehyde and mechanism of hydrogenation. J. Catal. 85, 25 (1984).
38.Boellaard, E., Vreeburg, R.J., Gijzeman, O.L.J., and Geus, J.W.: The interaction of carbon monoxide with nickel-iron alloys. A comparison between single crystal surfaces and supported catalysts. J. Mol. Catal. 92, 299 (1994).
39.Gallezot, P. and Richard, D.: Selective hydrogenation of, -unsaturated aldehydes. Catal. Rev.Sci. Eng. 40, 81 (1998).

Keywords

Related content

Powered by UNSILO

Mesoporous Co–B amorphous alloy films with enhanced catalytic efficiency prepared from a mixed-surfactant solution

  • Hui Li (a1), Jun Liu (a1), Haixia Yang (a1) and Hexing Li (a1)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed.