Role of polyoxometalates as green compounds in recent developments of nanoscience

Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry

Volumn 41, Issue 8, 2011, Pages 893-922

  Bamoharram, Fatemeh F ^a  

^a ISLAMIC AZAD UNIVERSITY   (Iran)

Author keywords

nanocomposite; nanomaterial; nanopolyoxometalate; nanotechnology; nanotube; octahedral; polyoxometalate; POM

Indexed keywords

EID: 79957816278     PISSN: 15533174     EISSN: 15533182     Source Type: Journal    
DOI: 10.1080/15533174.2011.591321     Document Type: Review

References (154)

1. Bielanski, A.; Lubańska, A.; Micek-Ilnicka, A.; Poźniczek, J. Polyoxomet-alates as the catalysts for tertiary ethers MTBE and ETBE synthesis. Coord. Chem. Rev. 2005, 249, 2222-2231.
2. Rhule, J.T.; Hill, C.L.; Judd, DA. Polyoxometalates in medicine. Chem. Rev. 1988, 98, 327-357.
3. Pope, M.T. Heteropoly and isopoly oxometalates; Springer Verlag: New York, 1983.
4. Ding, B.; Gong, J.; Kim, J.; Shiratori, S. Polyoxometalate nanotubes from layer-by-layer coating and thermal removal of electrospun nanofibers. Nan-otechnology 2005,16, 785-790.
5. Kozhevnikov, I.V. Catalysis by heteropoly acids and multicomponent polyoxometalates in liquid-phase reactions. Chem. Rev. 1998, 98, 171-198.
6. Mizuno, N.; Misono, M. Heterogonous catalysis. Chem. Rev. 1998, 98, 199-217.
7. 14-. J. Mol. Catal. A Chem. 2007, 271, 126-130.
8. Bamoharram, F.F.; Heravi, M.M.; Roshani, M.; Abrishami, F. Catalytic N-oxidation of picolinic acid in the presence of heteropolyacids including Mo and W. J. Mol. Catal. A Chem. 2007, 267, 241-244.
9. Bamoharram, F.F.; Heravi, M.M.; Roshani, M.; Akbarpour, M. Catalytic performance of Preyssler heteropolyacid as a green and recyclable catalyst in oxidation of primary aromatic amines. J. Mol. Catal. A Chem. 2006,255, 193-198.
10. 14. J. Mol. Catal. A Chem. 2006, 252, 219-225.
11. 14-, as a green and reusable catalyst. J. Mol. Catal. A Chem. 2006, 252, 90-95.
12. 14-: A green, efficient and reusable cat- alyst for esterification of salicylic acid with aliphatic and benzylic alcohols. Appl. Catal A Gen. 2006, 302, 42-47.
13. 14-, in the oxidation of benzyl alcohols. Phosphorus Sulfur. 2006, 181, 2833-2841.
14. 14-. J. Brazil. Chem. Soc. 2006, 17, 505-509.
15. Bamoharram, F.F.; Heravi, M.M.; Roshani, M.; Gharib, A. Catalytic method for synthesis of aspirin by a green, efficient and recyclable solid acid catalyst (Preyssler's anion) at room temperature. J. Chin. Chem. Soc. 2007, 54, 1017-1020.
16. 40 in liquid-phase esterification of hexanoic acid. Phosphorus Sulfur. 2009, 184(12), 3119-3125.
17. 5-. Chin. Chem. Let. 2009, 20, 1005-1009.
18. Bamoharram, F.F.; Chamani, J.; Heravi, M.M.; Rajabi, O.; Roshani, M.; Karimi, N.; Heravi, M.O. Spectroscopic investigations resulted from interactions of heteropolyacids with α-lactalbumin complexes. Asian J. Chem. 2009, 21, 3385-3394.
19. Bamoharram, F.F.; Heravi, M.M.; Hosseini, M.; Bakhtiari, K. Heteropolyacid-catalyzed efficient and convenient synthesis of 2-substituted benzimidazoles. Iranian J. Org. Chem. 2009, 1, 25-27.
20. 7-, M = Co(II), Ni (II), Cu(II), Zn(II). Iranian J. Org. Chem. 2009, 2, 110-117.
21. Bamoharram, F.F.; Daneshvar, K.; Golmakani, A. Controlled synthesis and characterization of magnetite nanoparticles obtained by glycothermal method. Int. J. Nanomanufact. 2010, 5, 245-253.
22. Bamoharram, F.F.; Heravi, M.M.; Roushani, M.; Toosi, M. Synthesis and characterization of silica-supported Preyssler nanoparticles and its catalytic activity for photodegradation of methyl orange. Green Chem. Lett. Rev. 2009, 2, 35-41.
23. 110], and their catalytic activity for photo degradation of methylen blue and methyl orange. Int. J. Green Nanotech. 2009, 1, 26-31.
24. 110] as a green and reusable catalyst. Synth. React. Inorg. Metal-Org. Nano-Metal Chem. 2009, 39, 394-399.
25. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat Shoar, R.; Bamoharram, F.F. Heteropolyacids as heterogeneous and recyclable catalysts for the synthesis of benzimidazoles. Catal. Commun. 2008, 19, 504-507.
26. Heravi, M.M.; Bakhtiari, K.; Daroogheha, Z.; Bamoharram, F.F. Facile heteropolyacid-promoted synthesis of 14-substituted-14-H-dibenzo[a, j] xanthene derivatives under solvent-free conditions. J. Mol. Catal. A: Chem. 2007, 273, 99-101.
27. 40 as a green and reusable catalyst. J. Mol. Catal. A Chem. 2007, 265, 186-188.
28. 110] as a green and reusable catalyst. Catal. Commun. 2007, 8, 1886-1890.
29. 62: An efficient and reusable catalyst for one-pot synthesis of β-acetamido ketone and esters. Catal. Commun. 2007, 8, 289-291.
30. Heravi, M.M.; Zadsirjan, V.; Bakhtiari, K.; Oskooie, H.A.; Bamoharram, F.F. Green and reusable heteropolyacid catalyzed oxidation of benzylic, allylic and aliphatic alcohols to carbonyl compounds. Catal. Commun. 2007, 8, 315-318.
31. 40]-catalyzed one-pot synthesis of polyhydro-quinoline derivatives via the Hantzsch three component condensation. J. Mol. Catal. A Chem. 2007, 264, 50-52.
32. 40 (heteropolyacids)-catalyzed regioselective nitration of phenol to o-nitrophenol in heterogeneous system. J. Mol. Catal. A: Chem. 2007, 264, 318-321.
33. Heravi, M.M.; Derikvand, F.; Bamoharram, F.F. Highly efficient, four-component one-pot synthesis of tetrasubstituted imidazoles using Keggintype heteropolyacids as green and reusable catalysts. J. Mol. Catal. A: Chem. 2007, 263, 112-114.
34. 110] as a heterogeneous recyclable catalyst for the synthesis of 1,5-benzodiazepines in refluxing ethanol. J. Mol. Catal. A: Chem. 2007, 261, 156-159.
35. 40. Catal. Commun. 2007, 8, 1467-1471.
36. 14-,asanew, green and recyclable catalyst for the synthesis of [1,2,4]triazino[4,3-b][1,2,4,5]tetrazines. J. Mol. Catal. A Chem. 2006, 259, 213-217.
37. Heravi, M.M.; Rajabzadeh, G.; Bamoharram, F.F.; Seifi, N. An eco-friendly catalytic route for synthesis of 4-amino-pyrazolo[3,4-d]pyrimidine derivatives by Keggin heteropolyacids under classical heating and microwave irradiation. J. Mol. Catal. A Chem. 2006, 256, 238-241.
38. Heravi, M.M.; Bakhtiari, K.; Bamoharram, F.F. An efficient and chemos-elective synthesis of acylals from aromatic aldehydes and their regeneration, catalyzed by 12-molybdophosphoric acid. Catal. Commun. 2006, 7, 499-501.
39. 110]: A heteropoly acid catalyzed acetylation of alcohols and phenols in acetic anhydride. J. Mol. Catal. A Chem. 2006, 253, 16-19.
40. Heravi, M.M.; Bakhtiari, K.; Bamoharram, F.F. 12-Molybdophosphoric acid: A recyclable catalyst for the synthesis of Biginelli-type 3,4-dihydropyrimidine- 2(1H)-ones. Catal. Commun. 2006, 7, 373-376.
41. 40. J. Mol. Catal. A: Chem. 2006, 249, 1-3.
42. Heravi, M.M.; Derikvand, F.; Bamoharram, F.F. A catalytic method for synthesis of Biginelli-type 3,4-dihydropyrimidin-2(1H)-one using 12-tungstophosphoric acid. J. Mol. Catal. A: Chem. 2005, 242, 173-175.
43. Alizadeh, M.H.; Razavi, H.; Bamoharram, F.F.; Daneshvar, K. The cleavage of carbon-tin bond catalyzed by heteropolyacids of molybdenum. J. Mol. Catal. A Chem. 2003, 206, 89-93.
44. 14-. Kinet. Catal. 2003, 44, 524-528.
45. 40]. Monatsh. Chem. 2007, 138, 449-452.
46. Heravi, M.M.; Bakhtiari, K.; Bamoharram, F.F.; Tehrani, H.M. Wells-Dawson type heteropolyacid catalyzed synthesis of quinoxaline derivatives at room temperature. Monatsh. Chem. 2007, 138, 465-467.
47. 40] as the catalyst. Monatsh. Chem. 2007, 138, 445-447.
48. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat Shoar, R.; Bamoharram, F.F. Heteropolyacids as green and reusable catalysts for the synthesis of 3,1,5-benzoxadiazepines. Molecules 2007, 12, 255-262.
49. 110] as an efficient catalyst for the one-pot synthesis of α- amino nitriles. Synlett. 2006, 1768-1770.
50. Oskooie, H.; Heravi, M.M.; Derikvand, F.; Khorasani, M.; Bamoharram, F.F. On water: An efficient Knoevenagel condensation using 12-tungstophosphoric acid as a reusable green catalyst. Synthetic. Commun. 2006, 36, 2819-2823.
51. 40): a novel and efficient recyclable catalyst for synthesis of 1,1-diacetates from aromatic aldehydes in solvent-free system and their deprotection. Synth. Commun. 2006, 36, 3109-3115.
52. 110] as a green catalyst. Synthetic. Commun. 2006, 36, 3103-3107.
53. Heravi, M.M.; Sadjadi, S.; Hekmat Shoar, R.; Oskooie, H.; Bamoharram, F.F. Deamination of some N-amino nitrogen heterocycles using Preyssler's anion. Monatsh. Chem. 2008, 139, 107-110.
54. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat Shoar, R.; Bamo-harram, F.F. Heteropolyacids as heterogeneous and recyclable catalysts for the synthesis of benzimidazoles. Catal. Commun. 2008, 19, 504-507.
55. Heravi, M.M.; Behbahani, F.K.; Bamoharram, F.F. Acetylation of alcohols, phenols and salicylic acid by heteropoly acids in acetic anhydride: a green and eco-friendly protocol for synthesis of acetyl salicylic acid (Aspirin). Arkivoc 2007, 123-131.
56. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat Shoar, R.; Bamoharram, F.F. The synthesis of coumarin-3-carboxylic acids and 3-acetyl-coumarin derivatives using heteropolyacidsasheterogeneous and recyclable catalysts. Catal. Commun. 2008, 9, 470-474.
57. Heravi, M.M.; Derikvand, F.; Haeri, A.; Oskooie, H.; Bamoharram, F.F. Heteropolyacids as green and reusable catalysts for the synthesis of isoxa-zole derivatives. Synth. Commun. 2008, 38, 135-140.
58. Heravi, M.M.; Bakhtiari, K.; Fatehi, A.; Bamoharram, F.F. A convenient synthesis of bis(indolyl)methanes catalyzed by diphosphooctadecatungstic acid. Catal. Commun. 2008, 9, 289-292.
59. 110] as a heterogeneous recyclable catalyst for the air oxidation of thiols under solvent free conditions. Molecules. 2007, 12, 2223-2228.
60. Heravi, M.M.; Ranjbar, L.; Derikvand, F.; Bamoharram, F.F. Sulfamic acid as a cost-effective catalyst instead of metal-containing acids for the one-pot synthesis of beta-acetamido ketones. J. Mol. Catal. A Chem. 2007, 276, 226-229.
61. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat shoar, R.; Bamoharram, F.F. One-pot synthesis of 2-arylbenzoxazoles promoted by heteropolyacids. J. Chin. Chem. Soc 2008, 55, 890-895.
62. 110]: A novel and useful catalyst for aminolysis of epox-ides with amines under solvent free. conditions. Chin. J. Chem. 2009, 26, 2150-2154.
63. 40]: Efficient and eco-friendly catalyst for the enamination of dicarbonyl compounds. Synthetic. Commun. 2008, 38, 2864-2869.
64. 14-in liquid phase alkylation of phenol with 1-octene. Catal. Commun. 2008, 9, 837-841.
65. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat shoar, R.; Bamoharram, F.F. The one-pot synthesis of trisubstituted imidazoles using heteropoly-acids as heterogeneous and recyclable catalysts. J. Chin. Chem. Soc. 2008, 55, 1199-1203.
66. 2O as a green and recyclable catalyst. Catal. Commun. 2008, 10, 272-275.
67. Motamedi, R.; Heravi, M.M.; Bamoharram, F.F.; Haeri, A. Facile routes to 1,2,4-triazolo[3,4-b][1,3,4]thiadiazines and 1,2,4-triazino[3,4-b][1,3,4] thiadiazine by heteropolyacides. J. Heterocyclic Chem. 2008, 45, 1211-1214.
68. 2O as a green and reusable catalyst. Mol. Divers. 2008, 12,181-185.
69. Heravi, M.M.; Bakhtiari, K.; Daroogheha, Z.; Bamoharram, F.F. An efficient synthesis of 2,4,6-triarylpyridines catalyzed by heteropolyacid under solvent-free conditions. Catal. Commun. 2007, 8, 1991-1994.
70. Heravi, M.M.; Baghernejad, B.; Oskooie, H. A.; Bamoharram, F.F. A novel method for the synthesis of 1(2H)- phthalazinone derivatives using het-eropolyacidsasheterogeneous and recyclable catalysts. Heterocyclics Com-mun. 2009, 14, 375-384.
71. Heravi, M.M.; Sadjadi, S.; Mokhtari, N.; Oskooie, H.; Hekmat shoar, R.; Bamoharram, F.F. A novel multicomponent synthesis of 4-aryl-aminoquinazolines. Tetrahedron Lett. 2009, 50, 943-945.
72. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Hekmat shoar, R.; Bamoharram, F.F. A direct oxidative route for the synthesis of pyrimidines using het-eropolyacids. Tetrahedron Lett. 2009, 50, 662-666.
73. Sadjadi, S.; Heravi, M.M.; Pourmohammad, N.; Oskooie, H.; Beheshtiha, Y. Sh; Bamoharram, F.F. Direct oxidative conversion of benzoyl chlorides to 2-imidazols using heteropolyacids. Synthetic Commun. 2009.
74. Heravi, M.M.; Sadjadi, S.; Haj, N.M.; Oskooie, A.H.; Bamoharram, F.F. Role of various heteropolyacids in the reaction of 4-hydroxycoumarin, aldehydes and ethylcyanoacetate. Catalysis Comm. 2009, 10, 1643-1646.
75. 14-. Chin. J. Chem. 2009, 27, 1-10.
76. Heravi, M.M.; Beheshtia, Y.; Khorshidi, M.; Baghernejad, B.; Bamoharram, F.F. Application of heteropolyacids as heterogeneous and recyclable catalysts for one-pot synthesis of 3-cyanopyridine derivatives. Chin. J. Chem. 2009, 27, 1-10.
77. Heravi, M.M.; Ranjbar, L.; Derikvand, F.; Bamoharram, F.F. A modified and green Dakin-West reaction: An efficient and convenient method for a one-pot synthesis of β-acetamido carbonyl compounds. J. Mol. Catal. A Chem. 2007, 271, 28-31.
78. Heravi, M.M.; Bakhtiari, K.; Zadsirjan, V.; Bamoharram, F.F.; Heravi, M.O. Aqua mediated synthesis of substituted 2-amino-4H-chromenes catalyzed by green and reusable Preyssler heteropoly acid. Bioorg. Med. Chem. Lett. 2007, 17, 4262-4265.
79. 40. Bioorg. Med. Chem. Lett. 2007, 17, 3305-3309.
80. Heravi, M.M.; Sadjadi, S.; Sadjadi, S.; Oskooie, H.; Hekmat shoar, R.; Bamoharram, F.F. Silica-supported Preyssler nanoparticles as new catalyst in synthesis of 4(3H)-quinazolinones. South African J. Chem. 2009, 61, 1-4.
81. Heravi, M.M.; Rasmi, V.; Bamoharram, F.F.; Sadjadi, S.; Fotouhi, L.; Sadjadi, S.; Bakavoli, M. Synthesis of isobenzofuran-1-(3H)-ones with the aid of silica-supported Preyssler nanoparticles. Synthetic Commun. 2009, 39, 4109-4116.
82. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Bamoharram, F.F. Rapid and efficient synthesis of 4(3H)-quinazolinones under ultrasonic irradiation using silica-supported Preyssler nanoparticles. Ultrasonics Sonochem. 2009, 16, 708-710.
83. Heravi, M.M.; Sadjadi, S.; Oskooie, H.; Bamoharram, F.F. A convenient synthesis of bis(indolyl)alkanes under ultrasonic irradiation using silica-supported Preyssler nano particles. Ultrasonics Sonochem. 2009, 16, 718-720.
84. Vairavapandian, D.; Vichchulada, P.; Lay, M.D. Preparation and modification of carbon nanotubes: Review of recent advances and applications in catalysis and sensing. Anal. Chim. Acta 2008, 626, 119-129.
85. Avouris, P. Molecular electronics with carbon nanotubes. Acc. Chem. Res. 2002, 35, 1026-1034.
86. Mestl, G.; Maksimova, N.I.; Keller, N.; Roddatis, V.V.; Schlögl, R. Carbon nanofilaments in heterogeneous catalysis: an industrial application for new carbon materials. Angew. Chem. Int. Ed. 2001, 40, 2066.
87. Guldi, D.M.; Aminur Rahman, G.M.; Jux, N.; Balbinot, D.; Hartnagel, U.; Tagmatarchis, N.; Prato, M. Functional single-wall carbon nanotube nanohybrids associating MWNTs with water-soluble enzyme model systems. J. Am. Chem. Soc. 2005, 127, 9830-9838.
88. Gao, L.; Wang, E.; Kang, Zh.; Song, Y.; Mao, B.; Xu, L. Layer-by-layer assembly of polyoxometalates into microcapsules. J. Phys. Chem. B. 2005, 109, 16587-16592.
89. Pan, D.W.; Chen, J.H.; Tao, W.Y.; Nie, L.; Yao, S. Polyoxometalate- modified carbon nanotubes: New catalyst support for methanol electro-oxidation. Langmuir 2006, 22, 5872-5876.
90. Song, Y.; Wang, E.; Kang, Z.; Lan, Y.; Tian, C. Synthesis of polyoxometalates-functionalized carbon nanotubes composites and relevant electrochemical properties study. Mater. Res. Bull. 2007, 42, 1485-1491.
91. Fei, B.; Lu, H.; Chen, W.; Xin, J.H. Ionic peapods from carbon nanotubes and phosphotungstic acid. Carbon 2006, 44, 2261-2264.
92. Kang, Z.H.; Wang, E.B.; Mao, B.D.; Su, Z.M.; Lian, S.Y.; Xu, I. Controllable fabrication of carbon nanotube and nanobelt with a polyoxometalate-assisted mild hydrothermal process. J. Am. Chem. Soc. 2005, 127, 6534-6535.
93. Kang, Z.; Wang, E.; Mao, B.; Su, Z.; Tian, C.; Xu, L. Controlled cutting carbon nanotube with polyoxometalates assisted renewable method. Mater. Lett. 2006, 60, 2266-2269.
94. Garrigue, P.; Delville, M.H.; Labrugère, C.; Cloutet, E.; Kulesza, P.J.; Morand, J.P. Top-down approach for the preparation of colloidal carbon nanoparticles. Chem. Mater. 2004, 16, 2984-2986.
95. Rohlfing, D.F.; Kuhn, A. Preparation and characterization of polyoxomet-alate modified carbon nanosheets. Carbon. 2006, 44, 1942-1948.
96. Lan, Y.; Wang, E.; Kang, Z.; Wang, C.; Mao, B.; Tian, Ch.; Xu, L.; Li, M. Facile and controllable synthesis of polyoxometalate nanorods within polyelectrolyte matrix. J. Colloid. Interface Sci. 2007, 316, 893-896.
97. 12 electrocata-lysts for methanol electro-oxidation. Int. J. Hydrogen Energy. 2009, 34, 2426-2434.
98. Zhang, Y.; Li, D.; Chen, Y.; Wang, X.; Wang, S. Catalytic wet air oxidation of dye pollutants by polyoxomolybdate nanotubes under room condition. Appl. Catal. B 2009, 86, 182-189.
99. Skunik, M.; Kulesza, P.J. Phosphomolybdate-modified multi-walled carbon nanotubes as effective mediating systems for electrocatalytic reduction of bromate. Anal. Chim. Acta 2009, 631, 153-160.
100. Seo, M.H.; Choi, S.M.; Kim, H.J.; Kim, J.H.; Cho, B.K.; Kim, W.B. A polyoxometalate-deposited Pt/CNT electrocatalyst via chemical synthesis for methanol elecrtrooxidation. J. Power Sources 2008, 179, 81-86.
101. Chai, F.; Wang, L.; Xu, L.; Wang, X.; Huang, J. Degradation of dye on polyoxotungstate nanotube under molecular oxygen. Dyes Pigments 2008, 76, 113-117.
102. Wang, X.H.; Liu, J.F.; Pope, M.T. New polyoxometalate/starch nanoma-terial: Synthesis characterization and antitumoral activity. Dalton Trans. 2003, 5, 957-960.
103. Wang, X.H.; Li, F.; Liu, S.X.; Pope, M.T. New liposome-encapsulated- polyoxometalates synthesis and antitumoral activity. J. Inorg. Biochem. 2005, 99, 452-457.
104. Wang, J.Y.; Chen, W.; Liu, A.H.; Lu, G.; Zhang, G.; Zhang, J.H.; Yang, B. Controlled fabrication of cross-linked nanoparticles/polymer composite thin films through the combined use of surface-initiated atom transfer radical polymerization and gas/solid reaction. J. Am. Chem. Soc. 2002, 124, 13358-13359.
105. 4 nanoparticles through a block copolymer nanoreactor route. Macro-molecules 2002, 35, 3338-3341.
106. Wang, Y.Y.; Hsieh, T.E. Preparation and properties of polyacrylate/clay photocured nanocomposite materials. Chem. Mater. 2005, 17, 3331-3337
107. Papaconstantinou, E. Photochemistry of polyoxometallates of molybdenum and tungsten and/or vanadium. Chem. Soc. Rev. 1989, 18, 1-31.
108. Bidan, G.; Lapkowski, M.; Travers, J.P. Hybridization of various conducting polymers with heteropoyyanious: Conductivity, electrochemical and electrocatalytic properties. Synth. Metals, 1989, 28, 113-120.
109. Lan, Y.; Wang, E.B.; Song, Y.H.; Kang, Z.H.; Xu, L.; Li, Z. Nucleation and growth of polyoxometalate nanoparticles in polyelectrolyte multilayer films. N. J. Chem. 2005, 29, 1249-1253.
110. Lan, Y.; Wang, E.B.; Song, Y.H.; Song, Y.L.; Kang, Z.H.; Xu, L.; Li, Z. An effective layer-by-layer adsorption and polymerization method to the fabrication of polyoxometalate-polypyrrole nanoparticle ultrathin films. Polymer 2006, 47, 1480-1485.
111. Troupis, A., Hiskia, A., Papaconstantinou, E. Synthesis of metal nanopar-ticles by using polyoxometalates as photocatalysts and stabilizers. Angew Chem. Int. Ed. 2002, 41,1911-1914.
112. Mandal, S.; Mandale, A.B.; Sastry, M. Keggin ion-mediated synthesis of aqueous phase-pure Au-Pd and Au-Pt core-shell nanoparticles. J. Mater. Chem. 2004, 14, 2868-2871.
113. Kishore, P.S.; Viswanathan, B.; Varadarajan, T.K. Synthesis and characterization of metal nanoparticle embedded conducting polymer- polyoxometalate composites. Nanoscale Res. Lett. 2008, 3, 14-20.
114. Lan, Y.; Mao, B.; Wang, E.; Song, Y.; Kang, Z.; Wang, C.; Tian, C., Zhang, C.; Xu, L.; Li, Z. In-situ fabrication of hybrid polyoxometalate nanoparticles composite films. Thin Solid Films. 2007, 515, 3397-3401.
115. Shanmugam, S.; Viswanathan, B.; Varadarajan, T.K. Synthesis and characterization of silicotungstic acid based organic-inorganic nanocomposite membrane. J. Membr. Sci. 2006, 275, 105-109.
116. 2 nanocomposites with enhanced photocat-alytic activity. Colloids Surfaces A 2008, 316, 110-118.
117. 2) nanocom-posite prepared by sol-gel process: A green and recyclable photocatalyst for efficient and selective aerobic oxidation of alcohols into aldehydes and ketones. Appl. Catal. A Gen. 2009, 354, 119-126.
118. Wang, Y.; Xu, L.; Jiang, N.; Xu, B.; Gao, G.; Li, F. Fabrication of polyoxometalate-based nano/micrometer composite films by elec-trophoretic deposition method. J. Colloid Inter. Sci. 2009, 333, 771-775.
119. Pope, M.T. in: Jorgensen, C.K.; Lappert, M.F.; Lippard, S.J.; Margrave, J.L.; Niedenzu, K.; Noth, H.; Parry, R.W.; Yamatera, H. (Eds.), Heteropoly and isopoly oxometalates in inorganic chemistry concepts. Springer Verlag, Berlin 1983, 8.
120. Hiskia, A.; Mylonas, A.; Papaconstantinou, E. Comparison of the photore-dox properties of polyoxometallates and semiconducting particles. Chem. Soc. Rev. 2001, 30, 62-69.
121. Weinstock. I.A. Homogeneous-phase electron-transfer reactions of poly-oxometalates. Chem. Rev. 1998, 98, 113-170.
122. Mandal, S.; Selvakannan, P.R.; Pasricha, R.; Sastry, M. Keggin ions as UV-switchable reducing agents in the synthesis of Au core-Ag shell nanopar-ticles. J. Am. Chem. Soc. 2003, 125, 8440-8441.
123. Shanmugam, S.; Viswanathan, B.; Varadarajan, T.K. A novel single step chemical route for noble metal nanoparticles embedded organic-inorganic composite films. Mater. Chem. Phys. 2006, 95, 51-55.
124. Qi, W.; Li, H.; Wu, L. Stable photochromism and controllable reduction properties of surfactant-encapsulated polyoxometalate/silica hybrid films. J. Phys. Chem. B 2008, 112, 8257-8263.
125. Mandal, S.; Das, A.; Srivastava, R.; Sastry, M. Keggin ion-mediated synthesis of hydrophobized Pd nanoparticles for multifunctional catalysis. Langmuir, 2005, 21, 2408-2413.
126. 40 polyoxometalate. Chem. Commun. 2005, 36, 4595-4597.
127. Sharma, V.K.; Yngard, R.A.; Lin, Y. Silver nanoparticles: Green synthesis and their antimicrobial activities. Adv. Colloid Interface 2009, 145, 83-96.
128. Mizuno, N.; Misono, M. Heterogeneous catalysis. Chem. Rev. 1998, 98, 199-217.
129. Hill, C.L. Introduction: Polyoxometalates multicomponent molecular ve-hiclesto probe fundamental issues and practical problems. Chem. Rev. 1998, 98, 1-2.
130. VI mixed valence polyoxometalates. Chem. Mater. 2007, 19, 5821-5823.
131. 40 hybrid Langmuir-Blodgett film through in situ reduction. Colloids Surfaces A 2009, 333, 46-52.
132. +-Keggin ion colloidal particles as novel templates for the growth of silver nanoparticle assemblies. J. Mater. Chem. 2003, 13, 3002-3005.
133. Sanyal, A.; Sastry, M. Gold nanosheets via reduction of aqueous chloroau-rate ions by anthracene anions bound to a liquid-liquid interface. Chem. Commun. 2003, 11, 1236-1237.
134. Troupis, A.; Gkika, E.; Hiskia, A.; Papaconstantinou, E. Photocatalytic reduction of metals using polyoxometallates recovery ofmetals or synthesis of metal nanoparticles. C. R. Chim. 2006, 9, 851-857.
135. Puntes, V.F.; Krishnan, K.M.; Alivisatos, A.P. Colloidal nanocrystal shape and size control: the case of cobalt. Science 2001, 291, 2115-2117.
136. Li, M.; Schnablegger, H.; Mann, S. Coupled synthesis and self-sssembly of nanoparticles to give structures with controlled organization. Nature, 1999, 402, 393-395.
137. Wang, R.Y.; Yang, J.; Zheng, Z.P.; Carducci, M.D.; Jiao, J.; Seraphin, S. Dendron-controlled nucleation and growth of gold nanoparticles. Angew. Chem. Int. Ed. 2001, 40, 549-552.
138. Coronado, E.; Gomez-Garcia, C.J. Polyoxometalates: From magnetic clusters to molecular materials. Comments Inorg. Chem. 1995, 17, 255-281.
139. Coronado, E.; Delhaes, P.; Galan Mascaros, J.R., Giménez-Saiz, C.; Gómez-García, C.J. Hybrid molecular materials having conducting and magnetic networks: Charge transfer salts based on organic π-donor molecules and inorganic magnetic clusters. Synth. Methods 1997, 85, 1647-1650.
140. Muller, A.; Das, S.K.; Kogerler, P.; Bogge, H.; Schmidtmann, M.; Trautwein, A.X.; Schunemann, V.; Krickemeyer, E.; Preetz, W. A new type of supramolecular compound: molybdenum-oxide-based composites consisting of magnetic nanocapsules with encapsulated keggin-ion electron reservoirs cross-linked to a two-dimensional network. Angew. Chem. Int. Ed. Engl. 2000, 39, 3413.
141. 40: Synthesis by homogeneous precipitation using decomposition of urea. Chem. Mater. 2001, 13, 824-831.
142. Kang, Z.H.; Wang, E.B.; Jiang, M.; Lian, S.Y.; Li, Y.G.; Hu, C.W. Convenient controllable synthesis of inorganic 1D nanocrystals and 3D high-ordered microtubes. Eur. J. Inorg. Chem. 2003, 2, 370-376.
143. Wang, X.H.; Li, F.; Liu, J.F.; Pope, M.T. Preparation of a new polyoxometalate-based nanoparticles. Chin. Chem. Lett. 2004, 15, 714-716.
144. Ernst, A.Z.; Sun, L.; Wiaderek, K.; Kolary, A.; Zoladek, S.; Kulesza, P.J.; Cox, J.A. synthesis of polyoxometalate-protected gold nanoparticles by a ligand-exchange method: Application to the electrocatalytic reduction of bromate. Electroanalysis. 2007, 19-20, 2103-2109.
145. Ernst, A.Z.; Zoladek, S.; Wiaderek, K.; Coxb, J.A.; Kolary-Zurowska, A.; Miecznikowski, K.; Kulesza, P.J. Network films of conducting polymer-linked polyoxometalate-modified gold nanoparticles: Preparation and electrochemical characterization. Electrochim. Acta 2008, 53, 3924-3931.
146. 2 composites. J. Rare Earths 2007, 25, 68-73.
147. Li, S.; Wang, E.; Tian, C.; Mao, B.; Song, Y.; Wang, C.; Xu, L. In-situ fabrication of amino acid-polyoxometalate nanoparticle functionalized ultrathin films and relevant electrochemical property study. Mat. Res. Bull. 2008, 43, 2880-2886.
148. 3 nanoparticles with and without polyoxometalates as reactive sorbents for the removal of sulphur mustard. Micro. Meso. Mater. 2008, 115, 364-375.
149. Kong, Y.; Pan, L.; Peng, J.; Xue, B.; Lu, J.; Dong, B. Preparation and antibacterial activity of nanorod-amino acid polyoxometalates. Mater. Lett. 2007, 61, 2393-2397.
150. 2 Nanoparticles and theircatalytic properties. Appl. Catal. A General. 2006, 299, 46-51.
151. n. J. Am. Chem. Soc. 1997, 119, 6440-6441.
152. 8- via condensation processes. J. Solid. State. Chem. 2007, 180, 3588-3593.
153. Shan, Y.; Yang, G.; Jia, Y.; Gong, J.; Su, Z.; Qu, L. ITO electrode modified with chitosan nanofibers loading polyoxometalate by one step self-assembly method and its electrocatalysis. Electrochem. Commun. 2007, 9, 2224-2228.
154. Patrut, A.; Margineanud, D.; Lowy, D.A.; Kogerler, P.; Schmitmann, M.; Boggee, H. Spectroscopic, magnetic and crystal structure investigation of a new pseudo-Dawson nano-sized polyoxometalate cluster with mixed addenda. J. Optoelect. Adv. 2007, 9, 3921-3926.