Progress of the application of mesoporous silica-supported heteropolyacids in heterogeneous catalysis and preparation of nanostructured metal oxides

Materials

Volumn 3, Issue 2, 2010, Pages 764-785

  Ren, Yuanhang ^a   Yue, Bin ^a   Gu, Min ^a   He, Heyong ^a  

^a FUDAN UNIVERSITY   (China)

Author keywords

Heterogeneous catalysis; Heteropoly acid; Mesoporous silica; Nanostructured metal oxide; Polyoxometalates

Indexed keywords

HETEROGENEOUS SYSTEMS; HETEROPOLY ACIDS; HOMOGENEOUS SYSTEM; MESOPOROUS SILICA; NANOSTRUCTURED METALS; POLYOXOMETALATES; RECYCLABLE CATALYST; SHAPE SELECTIVITY;

CATALYSIS; MOLECULAR SIEVES; SILICA;

NANOSTRUCTURED MATERIALS;

EID: 79959614984     PISSN: None     EISSN: 19961944     Source Type: Journal    
DOI: 10.3390/ma3020764     Document Type: Article

References (102)

1. Kozhevnikov, I.V. Advances in catalysis by heteropolyacids. Russ. Chem. Rev. 1987, 56, 811-825.
2. Kozhevnikov, I.V. Heteropoly acids and related-compounds as catalysts for fine chemical synthesis. Catal. Rev. Sci. Eng. 1995, 37, 311-352.
3. Misono, M. Heterogeneous catalysis by heteropoly compounds of molybdenum and tungsten. Catal. Rev. Sci. Eng. 1987, 29, 269-321.
4. Misono, M. New catalytic aspects of heteropolyacids and related-compounds-to the molecular design of practical catalysts. Stud. Surf. Sci. Catal. 1993, 75, 69-101.
5. Misono, M.; Nojiri, N. Recent progress in catalytic technology in Japan. Appl. Catal. 1990, 64, 1-30.
6. Okuhara, T.; Mizuno, N.; Misono, M. Catalytic chemistry of heteropoly compounds. Adv. Catal. 1996, 41, 113-252.
7. Kozhevnikov, I.V. Friedel-Crafts acylation and related reactions catalysed by heteropoly acids. Appl. Catal. A: Gen. 2003, 256, 3-18.
8. Kozhevnikov, I.V. Catalysis by heteropoly acids and multicomponent polyoxometalates in liquid-phase reactions. Chem. Rev. 1998, 98, 171-198.
9. Kozhevnikov, I.V.; Matveev, K.I. Homogeneous catalysts based on heteropoly acids. Appl. Catal. 1983, 5, 135-150.
10. Misono, M.; Okuhara, T. Solid superacid catalysts. Chemtech 1993, 23, 23-29.
11. Okuhara, T.; Nishimura, T.; Watanabe, H.; Na, K.; Misono, M. Novel catalysis of cesium salt of heteropoly acid and its characterization by solid-state NMR. Stud. Surf. Sci. Catal. 1994, 90, 419-428.
12. Okuhara, T.; Nishimura, T.; Misono, M. Microporous heteropoly compound as a shape-selective catalyst-Cs2.2H0.8PW12O40. Chem. Lett. 1995, 155-156.
13. Bonardet, J.L.; Fraissard, J.; McGarvey, G.B.; Moffat, J.B. A comparative-study of the microporosity of the ammonium and cesium salts of 12-Tungstophosphoric,12-Molybdophosphoric, and 12-Tungstosilicic acids by Xe-129 NMR. J. Catal. 1995, 151, 147-154.
14. Na, K.; Okuhara, T.; Misono, M. Skeletal isomerization of n-butane catalyzed by an acidic cesium salt of 12-tungstophosphoric acid. Chem. Lett. 1993, 1141-1144.
15. Izumi, Y.; Hasebe, R.; Urabe, K. Catalysis by heterogeneous supported heteropoly acid. J. Catal. 1983, 84, 402-409.
16. Rocchiccioli-deltcheff, C.; Amirouche, M.; Herve, G.; Fournier, M.; Che, M.; Tatibouet, J.M. Structure and catalytic properties of silica-supported polyoxomolybdates: II. Thermal behavior of unsupported and silica-supported 12-molybdosilic acid catalysts from IR and catalytic reactivity studies. J. Catal. 1990, 126, 591-599.
17. Edwards, J.C.; Thiel, C.Y.; Benac, B.; Knifton, J.F. Solid-state NMR and FT-IR investigation of 12-tungstophosphoric acid on TiO2. Catal. Lett. 1998, 51, 77-83.
18. Lopez-salinas, E.; Hernandez-cortez, J.G.; Schifter, I.; Torres-garcia, E.; Navarrete, J.; Gutierrez-carrillo, A.; Lopez, T.; Lottici, P.P.; Bersani, D. Thermal stability of 12-tungstophosphoric acid supported on zirconia. Appl. Catal. A: Gen. 2000, 193, 215-225.
19. Devassy, B.M.; Halligudi, S.B.; Hegde, S.G.; Halgeri, A.B.; Lefebvre, F. 12-Tungstophosphoric acid/zirconia-a highly active stable solid acid-comparison with a tungstated zirconia catalyst. Chem. Commun. 2002, 1074-1075.
20. Baba, T.; Ono, Y. Heteropolyacids and their salts supported on acidic ion-exchange resin as highly-active solid-acid catalysts. Appl. Catal. 1986, 22, 321-324.
21. Izumi, Y.; Urabe, K. Catalysis of heteropoly acids entrapped in activated carbon. Chem. Lett. 1981, 663-666.
22. Pizzio, L.R.; Caceres, C.V.; Blanco, M.N. Equilibrium adsorption of 11-tungstophosphate anion on different supports. Appl. Surf. Sci. 1999, 151, 91-101.
23. Beck, J.S.; Vartuli, J.C.; Roth, W.J.; Leonowicz, M.E.; Kresge, C.T.; Schmitt, K.D.; Chu, C.T.W.; Olson, D.H.; Sheppard, E.W.; Mccullen, S.B.; Higgins, J.B.; Schlenker, J.L. A new family of mesoporous molecular-sieves prepared with liquid-crystal templates. J. Am. Chem. Soc. 1992, 114, 10834-10843.
24. Kresge, C.T.; Leonowicz, M.E.; Roth, W.J.; Vartuli, J.C.; Beck, J.S. Ordered mesoporous molecular sieves synthesized by a liquid-crystal template mechanism. Nature 1992, 359, 710-712.
25. Zhao, D.Y.; Feng, J.L.; Huo, Q., S.; Nicholas, M.; Fredrickson, G.H.; Chmelka, B.F.; Stucky, G.D. Triblock copolymer syntheses of mesoporous silica with periodic 50 to 300 angstrom pores. Nature 1998, 279, 548-552.
26. Zhao, D.Y.; Huo, Q.S.; Feng, J.L.; Chmelka, B.F.; Stucky, G.D. Nonionic triblock and star diblock copolymer and oligomeric surfactant syntheses of highly ordered, hydrothermally stable, mesoporous silica structures. J. Am. Chem. Soc. 1998, 120, 6024-6036.
27. Tanev, P.T.; Chibwe, M.; Pinnavaia, T.J. Titanium-containing mesoporous molecular-sieves for catalytic-oxidation of aromatic-compounds. Nature 1994, 368, 321-323.
28. Zhang, W.Z.; Pauly, T.R.; Pinnavaia, T.J. Tailoring the framework and textural mesopores of HMS molecular sieves through an electrically neutral (S0I0) assembly pathway. Chem. Mat. 1997, 9, 2491-2498.
29. Zhao, D.Y.; Yang, P.D.; Huo, Q.S.; Chmelka, B.F.; Stucky, G.D. Topological construction of mesoporous materials. Curr. Opin. Solid State Mater. Sci. 1998, 3, 111-121.
30. Ren, Y.; Qian, L.P.; Yue, B.; He, H.Y. Synthesis of Ti-containing silica mesoporous molecular sieves with high catalytic activity for epoxidation. Chin. J. Catal. 2003, 24, 947-950.
31. Liu, S.X.; Yue, B.; Rao, J.; Zhou, Y.; He, H.Y. Template synthesis of one-dimensional nanostructured spinel zinc ferrite. Mater. Lett. 2006, 60, 154-158.
32. Kozhevnikov, I.V.; Sinnema, A.; Jansen, R.J.J.; Pamin, K.; Vanbekkum, H. New acid catalyst comprising heteropoly acid on a mesoporous molecular-sieve MCM-41. Catal. Lett. 1995, 30, 241-252.
33. Lefebvre, F. P-31 MAS NMR-study of H3PW12O40 supported on silica-formation of (equivalent-to-SiOH2 +)(H2PW12O40 -). J. Chem. Soc., Chem. Commun. 1992, 756-757.
34. Ghanbari-siahkali, A.; Philippou, A.; Dwyer, J.; Anderson, M.W. The acidity and catalytic activity of heteropoly acid on MCM-41 investigated by MAS NMR, FTIR and catalytic tests. Appl. Catal. A: Gen. 2000, 192, 57-69.
35. Kim, W.G.; Kim, M.W.; Kim, J.H.; Seo, G. Dispersion measurement of heteropoly acid supported on KIT-1 mesoporous material. Micropor. Mesopor. Mater. 2003, 57, 113-120.
36. Nandhini, K.U.; Arabindoo, B.; Palanichamy, M.; Murugesan, V. t-Butylation of phenol over mesoporous aluminophosphate and heteropolyacid supported aluminophosphate molecular sieves. J. Mol. Catal. A: Chem. 2004, 223, 201-210.
37. Nandhini, K.U.; Mabel, J.H.; Arabindoo, B.; Palanichamy, M.; Murugesan, V. The influence of phosphotungstic acid acidity on Al-MCM-41 in t-butylation of phenol with t-butyl alcohol. Micropor. Mesopor. Mater. 2006, 96, 21-28.
38. Kumar, G.S.; Vishnuvarthan, M.; Palanichamy, M.; Murugesan, V. SBA-15 supported HPW: Effective catalytic performance in the alkylation of phenol. J. Mol. Catal. A: Chem. 2006, 260, 49-55.
39. Wang, J.; Zhu, H.O. Alkylation of 1-dodecene with benzene over H3PW12O40 supported on mesoporous silica SBA-15. Catal. Lett. 2004, 93, 209-212.
40. Llanos, A.; Melo, L.; Avendano, F.; Montes, A.; Brito, J.L. Synthesis and characterization of HPW/MCM-41 (Si) and HPW/MCM-41 (Si/Al) catalysts: Activity for toluene alkylation with 1-dodecene. Catal. Today 2008, 133-135, 20-27.
41. Liu, Y.; Xu, L.; Xu, B.B.; Li, Z.K.; Jia, L.P.; Guo, W.H. Toluene alkylation with 1-octene over supported heteropoly acids on MCM-41 catalysts. J. Mol. Catal. A: Chem. 2009, 297, 86-92.
42. Kamalakar, G.; Komura, K.; Kubota, Y.; Sugi, Y. Friedel-Crafts benzylation of aromatics with benzyl alcohols catalyzed by heteropoly acids supported on mesoporous silica. J. Chem. Technol. Biotechnol. 2006, 81, 981-988.
43. Ajaikumar, S.; Pandurangan, A. HPW and supported HPW catalyzed condensation of aromatic aldehydes with aniline: Synthesis of DATPM derivatives. J. Mol. Catal. A: Chem. 2008, 286, 21-30.
44. Liu, Q.Y.; Wu, W.L.; Wang, J.; Ren, X.Q.; Wang, Y.R. Characterization of 12-tungstophosphoric acid impregnated on mesoporous silica SBA-15 and its catalytic performance in isopropylation of naphthalene with isopropanol. Micropor. Mesopor. Mater. 2004, 76, 51-60.
45. Varisli, D.; Dogu, T.; Dogu, G. Silicotungstic acid impregnated MCM-41-like mesoporous solid acid catalysts for dehydration of ethanol. Ind. Eng. Chem. Res. 2008, 47, 4071-4076.
46. Xia, Q.H.; Hidajat, K.; Kawi, S. Structure, acidity, and catalytic activity of mesoporous acid catalysts for the gas-phase synthesis of MTBE from MeOH and ButOH. J. Catal. 2002, 209, 433-444.
47. Juan, J.C.; Zhang, J.C.; Yarmo, M.A. 12-Tungstophosphoric acid supported on MCM-41 for esterification of fatty acid under solvent-free condition. J. Mol. Catal. A: Chem. 2007, 267, 265-271.
48. Jermy, B.R.; Pandurangan, A. H3PW12O40 supported on MCM-41 molecular sieves: An effective catalyst for acetal formation. Appl. Catal. A: Gen. 2005, 295, 185-192.
49. Karthikeyan, G.; Pandurangan, A. Heteropolyacid (H3PW12O40) supported MCM-41: An efficient solid acid catalyst for the green synthesis of xanthenedione derivatives. J. Mol. Catal. A: Chem. 2009, 311, 36-45.
50. Maheswari, R.; Shanthi, K.; Sivakumar, T.; Narayanan, S. Beckmann rearrangement over phosphotungstic acid/SiMCM-41 cyclohexanone oxime to epsilon-caprolactam. Appl. Catal. A: Gen. 2003, 248, 291-301.
51. Izumi, Y.; Fujita, T. Iminium salt-catalyzed liquid-phase Beckmann rearrangement of cyclohexanone oxime. J. Mol. Catal. A: Chem. 1996, 106, 43-49.
52. Liu, Y.Y.; Murata, K.; Inaba, M.; Mimura, N. Selective oxidation of propylene to acetone by molecular oxygen over Mx/2H5-x[PMo10V2O40]/HMS (M = Cu2+, Co2+, Ni2+). Catal. Commun. 2003, 4, 281-285.
53. Verhoef, M.J.; Kooyman, P.J.; Peters, J.A.; van Bekkum, H. A study on the stability of MCM-41-supported heteropoly acids under liquid- and gas-phase esterification conditions. Micropor. Mesopor. Mater. 1999, 27, 365-371.
54. Vandervoort, P.; Vansant, E.F. Silylation of the silica surface a review. J. Liq. Chromatogr. Related Technol. 1996, 19, 2723-2752.
55. Kaleta, W.; Nowinska, K. Immobilisation of heteropoly anions in Si-MCM-41 channels by means of chemical bonding to aminosilane groups. Chem. Commun. 2001, 535-536.
56. Tarlani, A.; Abedini, M.; Nemati, A.; Khabaz, M.; Amini, M.M. Immobilization of Keggin and Preyssler tungsten heteropolyacids on various functionalized silica. J. Colloid Inter. Sci. 2006, 303, 32-38.
57. Wu, S.S.; Wang, J.; Zhang, W.H.; Ren, X.Q. Preparation of Keggin and Preyssler heteropolyacid catalysts on amine-modified SBA-15 and their catalytic performances in esterification of n-butanol with acetic acid. Catal. Lett. 2008, 125, 308-314.
58. Wu, S.S.; Liu, P.; Leng, Y.; Wang, J. Heteropolyacids anchored on amino-functionalized MCM-41 via condensation as reusable catalysts for esterification. Catal. Lett. 2009, 132, 500-505.
59. Dias, A.S.; Pillinger, M.; Valente, A.A. Mesoporous silica-supported 12-tungstophosphoric acid catalysts for the liquid phase dehydration of D-xylose. Micropor. Mesopor. Mater. 2006, 94, 214-225.
60. Kim, H.; Jung, J.C.; Kim, P.; Yeom, S.H.; Lee, K.Y.; Song, I.K. Preparation of H3PMo12O40 catalyst immobilized on surface modified mesostructured cellular foam (SM-MCF) silica and its application to the ethanol conversion reaction. J. Mol. Catal. A: Chem. 2006, 259, 150-155.
61. Kim, H.; Jung, J.C.; Song, I.K. Chemical immobilization of heteropolyacid catalyst on inorganic mesoporous material for use as an oxidation catalyst. Catal. Surv. Asia 2007, 11, 114-122.
62. Chen, L.F.; Zhu, K.; Bi, L.H.; Suchopar, A.; Reicke, M.; Mathys, G.; Jaensch, H.; Kortz, U.; Richards, R.M. Solvent-free aerobic oxidation of n-alkane by iron(III)-substituted polyoxotungstates immobilized on SBA-15. Inorg. Chem. 2007, 46, 8457-8459.
63. Chen, L.F.; Hu, J.C.; Mal, S.S.; Kortz, U.; Jaensch, H.; Mathys, G.; Richards, R.M. Heterogeneous wheel-shaped Cu20-polyoxotungstate [Cu20Cl(OH)24(H2O)12(P8W48O184)]25- catalyst for solvent-free aerobic oxidation of n-hexadecane. Chem. Eur. J. 2009, 15, 7490-7497.
64. Johnson, B.J.S.; Stein, A. Surface modification of mesoporous macroporous and amorphous silica with catalytically active polyoxometalate clusters. Inorg. Chem. 2001, 40, 801-808.
65. Zhou, Y.; Bao, R.L.; Yue, B.; Gu, M.; Pei, S.P.; He, H.Y. Synthesis, characterization and catalytic application of SBA-15 immobilized rare earth metal sandwiched polyoxometalates. J. Mol. Catal. A: Chem. 2007, 270, 50-55.
66. Zhou, Y.; Yue, B.; Bao, R.L.; Gu, M.; He, H.Y. Surface aminosilylated mesoporous SBA-15 with rare earth metal sandwiched polyoxometalates as heterogeneous catalyst. Stud. Surf. Sci. Catal. 2007, 165, 479-482.
67. Zhou, Y.; Yue, B.; Bao, R.L.; Liu, S.X.; He, H.Y. Catalytic aerobic oxidation of acetaldehyde over Keggin-type molybdovanadophosphoric acid/SBA-15 under ambient condition. Chin. J. Chem. 2006, 24, 1001-1005.
68. Raj, N.K.K.; Deshpande, S.S.; Ingle, R.H.; Raja, T.; Manikandan, P. Heterogenized molybdovanadophosphoric acid on amine-functionalized SBA-15 for selective oxidation of alkenes. Catal. Lett. 2004, 98, 217-223.
69. Bordoloi, A.; Lefebvre, E.; Halligudi, S.B. Selective oxidation of anthracene using inorganic-organic hybrid materials based on molybdovanadophosphoric acids. J. Catal. 2007, 247, 166-175.
70. Maksimchuk, N.V.; Meigunov, M.S.; Chesalov, Y.A.; Mrowlec-bialon, J.; Jarzebski, A.B.; Kholdeeva, O.A. Aerobic oxidations of alpha-pinene over cobalt-substituted polyoxometalate supported on amino-modified mesoporous silicates. J. Catal. 2007, 246, 241-248.
71. Li, L.; Liu, C.M.; Geng, A.F.; Jiang, C.J.; Guo, Y.H.; Hu, C.W. Preparation, characterization and photocatalytic applications of amine-functionalized mesoporous silica impregnated with transition-metal-monosubstituted polyoxometalates. Mater. Res. Bull. 2006, 41, 319-332.
72. Guo, Y.H.; Hu, C.W.; Jiang, C.J.; Yang, Y.; Jiang, S.C.; Li, X.L.; Wang, E.B. Preparation and heterogeneous photocatalytic behaviors of the surface-modified porous silica materials impregnated with monosubstituted keggin units. J. Catal. 2003, 217, 141-151.
73. Molnar, A.; Keresszegi, C.; Torok, B. Heteropoly acids immobilized into a silica matrix: Characterization and catalytic applications. Appl. Catal. A: Gen. 1999, 189, 217-224.
74. Yang, L.; Qi, Y.T.; Yuan, X.D.; Shen, H.; Kim, J. Direct synthesis, characterization and catalytic application of SBA-15 containing heteropolyacid H3PW12O40. J. Mol. Catal. A: Chem. 2005, 229, 199-205.
75. He, N.Y.; Woo, C.S.; Kim, H.G.; Lee, H.I. Catalytic formation of acetic anhydride over tungstophosphoric acid modified SBA-15 mesoporous materials. Appl. Catal. A: Gen. 2005, 281, 167-178.
76. Shi, C.F.; Wang, R.W.; Zhu, G.S.; Qiu, S.L.; Long, J. Synthesis, characterization, and catalytic properties of SiPW-X mesoporous silica with heteropolyacid encapsulated into their framework. Eur. J. Inorg. Chem. 2005, 4801-4807.
77. Shi, C.F.; Wang, R.W.; Zhu, G.S.; Qiu, S.L.; Long, J. In situ synthesis, characterization of SiPMo-X, and different catalytic properties of SiPMo-X and SiPW-X. Eur. J. Inorg. Chem. 2006, 3054-3060.
78. Wang, J.M.; Yan, L.; Qian, G.; Yang, K.L.; Liu, H.T.; Wang, X.L. Heteropolyacid encapsulated into mesoporous silica framework for an efficient preparation of 1,1-diacetates from aldehydes under a solvent-free condition. Tetrahedron Lett. 2006, 47, 8309-8312.
79. Caetano, C.S.; Fonseca, I.M.; Ramos, A.M.; Vital, J.; Castanheiro, J.E. Esterification of free fatty acids with methanol using heteropolyacids immobilized on silica. Catal. Commun. 2008, 9, 1996-1999.
80. Dufaud, V.; Lefebvre, F.; Niccolai, G.P.; Aouine, M. New insights into the encapsulation and stabilization of heteropolyacids inside the pore walls of mesostructured silica materials. J. Mater. Chem. 2009, 19, 1142-1150.
81. Pei, S.P.; Yue, B.; Qian, L.P.; Yan, S.R.; Cheng, J.F.; Zhou, Y.; Xie, S.H.; He, H.Y. Preparation and characterization of P-Mo-V mixed oxide-incorporating mesoporous silica catalysts for selective oxidation of methane to formaldehyde. Appl. Catal. A: Gen. 2007, 329, 148-155.
82. Yu, X.D.; Xu, L.L.; Yang, X.; Guo, Y.N.; Li, K.X.; Hu, J.L.; Li, W.; Ma, F.Y.; Guo, Y.H. Preparation of periodic mesoporous silica-included divacant Keggin units for the catalytic oxidation of styrene to synthesize styrene oxide. Appl. Surf. Sci. 2008, 254, 4444-4451.
83. Guo, H.Q.; Li, D.B.; Xiao, H.C.; Zhang, J.L.; Li, W.H.; Sun, Y.H. Methanol selective oxidation to dimethoxymethane on H3PMo12O40/SBA-15 supported catalysts. Korean J. Chem. Eng. 2009, 26, 902-906.
84. Jing, G.H.; Li, J.H.; Yang, D.; Hao, J.M. Promotional mechanism of tungstation on selective catalytic reduction of NOx by methane over In/WO3/ZrO2. Appl. Catal. B: Environ. 2009, 91, 123-134.
85. Reddy, B.M.; Lee, S.C.; Han, D.S.; Park, S.E. Utilization of carbon dioxide as soft oxidant for oxydehydrogenation of ethylbenzene to styrene over V2O5-CeO2/TiO2-ZrO2 catalyst. Appl. Catal. B: Environ. 2009, 87, 230-238.
86. Umbarkar, S.B.; Kotbagi, T.V.; Biradar, A.V.; Pasricha, R.; Chanale, J.; Dongare, M.K.; Mamede, A.S.; Lancelot, C.; Payen, E. Acetalization of glycerol using mesoporous MoO3/SiO2 solid acid catalyst. J. Mol. Catal. A: Chem. 2009, 310, 150-158.
87. Ryoo, R.; Joo, S.H.; Jun, S. Synthesis of highly ordered carbon molecular sieves via template-mediated structural transformation. J. Phys. Chem. B 1999, 103, 7743-7746.
88. Liu, X.Y.; Tian, B.Z.; Yu, C.Z.; Gao, F.; Xie, S.H.; Tu, B.; Che, R.C.; Peng, L.M.; Zhao, D.Y. Room-temperature synthesis in acidic media of large-pore three-dimensional bicontinuous mesoporous silica with Ia3d symmetry. Angew. Chem. Int. Ed. 2002, 41, 3876-3878.
89. Kleitz, F.; Choi, S.H.; Ryoo, R. Cubic Ia3d large mesoporous silica: Synthesis and replication to platinum nanowires, carbon nanorods and carbon nanotubes. Chem. Commun. 2003, 2136-2137.
90. Yang, C.M.; Sheu, H.S.; Chao, K.J. Templated synthesis and structural study of densely packed metal nanostructures in MCM-41 and MCM-48. Adv. Funct. Mater. 2002, 12, 143-148.
91. Adhyapak, P.V.; Karandikar, P.; Vijayamohanan, K.; Athawale, A.A.; Chandwadkar, A.J. Synthesis of silver nanowires inside mesoporous MCM-41 host. Mater. Lett. 2004, 58, 1168-1171.
92. Huang, M.H.; Choudrey, A.; Yang, P.D. Ag nanowire formation within mesoporous silica. Chem. Commun. 2000, 1063-1064.
93. Wang, D.H.; Kou, R.; Gil, M.P.; Jakobson, H.P.; Tang, J.; Yu, D.H.; Lu, Y.F. Templated synthesis, characterization, and sensing application of macroscopic platinum nanowire network electrodes. J. Nanosci. Nanotech. 2005, 5, 1904-1909.
94. Tian, B.Z.; Liu, X.Y.; Yang, H.F.; Xie, S.H.; Yu, C.Z.; Tu, B.; Zhao, D.Y. General synthesis of ordered crystallized metal oxide nanoarrays replicated by microwave-digested mesoporous silica. Adv. Mater. 2003, 15, 1370-1374.
95. Zhu, K.K.; Bin, Y.; Xie, S.H.; Zhang, S.Y.; Biao, Z.; Jin, S.L.; He, H.Y. Preparation and characterization of divanadium pentoxide nanowires inside SBA-15 channels. Chin. J. Chem. 2004, 22, 33-37.
96. Yue, B.; Tan, D.J.; Yan, S.R.; Zhou, Y.; Zhu, K.K.; Pan, J.F.; Zhuang, J.H.; He, H.Y. Preparation of MoO3-V2O5 nanowires with controllable Mo/V ratios inside SBA-15 channels using a chemical approach with heteropoly acid. Chin. J. Chem. 2005, 23, 32-36.
97. Zhu, K.K.; He, H.Y.; Xie, S.H.; Zhang, X.; Zhou, W.Z.; Jin, S.L.; Yue, B. Crystalline WO3 nanowires synthesized by templating method. Chem. Phys. Lett. 2003, 377, 317-321.
98. Filowitz, M.; Ho, R.K.C.; Klemperer, W.G.; Shum, W. 17O nuclear magnetic resonance spectroscopy of polyoxometalates.1. sensitivity and resolution. Inorg. Chem. 1979, 18, 93-103.
99. Zhu, K.K.; Yue, B.; Zhou, W.Z.; He, H.Y. Preparation of three-dimensional chromium oxide porous single crystals templated by SBA-15. Chem. Commun. 2003, 98-99.
100. Shin, H.J.; Ryoo, R.; Kruk, M.; Jaroniec, M. Modification of SBA-15 pore connectivity by high-temperature calcination investigated by carbon inverse replication. Chem. Commun. 2001, 349-350.
101. Fan, J.; Yu, C.Z.; Wang, L.M.; Tu, B.; Zhao, D.Y.; Sakamoto, Y.; Terasaki, O. Mesotunnels on the silica wall of ordered SBA-15 to generate three-dimensional large-pore mesoporous networks. J. Am. Chem. Soc. 2001, 123, 12113-12114.
102. Yue, B.; Tang, H.L.; Kong, Z.P.; Zhu, K.; Dickinson, C.; Zhou, W.Z.; He, H.Y. Preparation and characterization of three-dimensional mesoporous crystals of tungsten oxide. Chem. Phys. Lett. 2005, 407, 83-86.