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Volumn 14, Issue 14, 2004, Pages 2106-2114

Sol-gel transcription of silica-based hybrid nanostructures using poly(N-vinylpyrrolidone)-coated [60]fullerene, single-walled carbon nanotube and block copolymer templates

Author keywords

[No Author keywords available]

Indexed keywords

BIOMINERALIZATIONS; CHEMICAL GLUE;

EID: 4043164079     PISSN: 09599428     EISSN: None     Source Type: Journal    
DOI: 10.1039/b401471e     Document Type: Review
Times cited : (47)

References (83)
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    • Recently, it was shown that a cationic surfactant is useful as a 'glue', but it is not clear whether the included CNT is one piece or a bundle: M. Álvaro, P. Atienzar, J. L. Bourdelande and H. García, Chem. Commun., 2002, 3004.
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    • and references cited therein
    • When sol-gel polycondensation is carried out in the presence of certain water-soluble polymers, the resultant silica particles frequently result in a hollow structure: K. J. C. van Bommel, J. H. Jung and S. Shinkai, Adv. Mater., 2001, 13, 1472 and references cited therein..
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    • For recent reviews see: (a) S. Weiner and L. Addadi, J. Mater. Chem., 1997, 7, 689; (b) S. Mann, Angew. Chem., Int. Ed., 2000, 39, 3392; (c) L. A. Estroff and A. D. Hamilton, Chem. Mater., 2001, 13, 3227.
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    • Weiner, S.1    Addadi, L.2
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    • For recent reviews see: (a) S. Weiner and L. Addadi, J. Mater. Chem., 1997, 7, 689; (b) S. Mann, Angew. Chem., Int. Ed., 2000, 39, 3392; (c) L. A. Estroff and A. D. Hamilton, Chem. Mater., 2001, 13, 3227.
    • (2000) Angew. Chem., Int. Ed. , vol.39 , pp. 3392
    • Mann, S.1
  • 64
    • 0034772659 scopus 로고    scopus 로고
    • For recent reviews see: (a) S. Weiner and L. Addadi, J. Mater. Chem., 1997, 7, 689; (b) S. Mann, Angew. Chem., Int. Ed., 2000, 39, 3392; (c) L. A. Estroff and A. D. Hamilton, Chem. Mater., 2001, 13, 3227.
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    • (a) Very recently, a Korean group reported a similar idea: G. Cho, J. Jang, S. Jung,, I.-S. Moon, J.-S. Lee, Y.-S. Cho, B. M. Fung, W.-L. Yuan and E. A. O'Rear, Langmuir, 2002, 18, 3430. However, our system has presented several new findings which were not attained by them: that is, (1) sol-gel polycondensation proceeds, without catalyst, utilizing the polymeric pyridine nitrogens as catalytic sites, (2) the mild conditions in (1) result in the finer silica network structure, (3) acidic, basic, and neutral conditions are all examined and (4) the thin silica film with a network structure is directly observed by TEM: N. Fujita, H. Otsuka, A. Takahara and S. Shinkai, Chem. Lett., 2003, 32, 352.
    • (2002) Langmuir , vol.18 , pp. 3430
    • Cho, G.1    Jang, J.2    Jung, S.3    Moon, I.-S.4    Lee, J.-S.5    Cho, Y.-S.6    Fung, B.M.7    Yuan, W.-L.8    O'Rear, E.A.9
  • 82
    • 0037824565 scopus 로고    scopus 로고
    • (a) Very recently, a Korean group reported a similar idea: G. Cho, J. Jang, S. Jung,, I.-S. Moon, J.-S. Lee, Y.-S. Cho, B. M. Fung, W.-L. Yuan and E. A. O'Rear, Langmuir, 2002, 18, 3430. However, our system has presented several new findings which were not attained by them: that is, (1) sol-gel polycondensation proceeds, without catalyst, utilizing the polymeric pyridine nitrogens as catalytic sites, (2) the mild conditions in (1) result in the finer silica network structure, (3) acidic, basic, and neutral conditions are all examined and (4) the thin silica film with a network structure is directly observed by TEM: N. Fujita, H. Otsuka, A. Takahara and S. Shinkai, Chem. Lett., 2003, 32, 352.
    • (2003) Chem. Lett. , vol.32 , pp. 352
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    • note
    • The resultant silica material on the polymer film also gave the same porous silica layer as that shown in Fig. 2d after the calcination treatment. The same calcination process was adopted as that for the sample prepared by Method B.


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