Formation of gold-coated magnetic nanoparticles using TiO2 as a bridging material

Journal of Materials Research

Volumn 21, Issue 5, 2006, Pages 1312-1316

  Oliva, Brittany L ^a   Pradhan, Anindya ^a   Caruntu, Daniela ^a   O'Connor, Charles J ^a   Tarr, Matthew A ^a  

^a UNIVERSITY OF NEW ORLEANS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COATINGS; GOLD; MAGNETIC PROPERTIES; PARTICLES (PARTICULATE MATTER); SUPERPARAMAGNETISM; SURFACE PROPERTIES;

ABSORBANCE MAXIMA; GOLD COATING; GOLD-COATED MAGNETIC NANOPARTICLES; TITANIUM OXIDE NANOPARTICLES;

TITANIUM OXIDES;

EID: 33746502653     PISSN: 08842914     EISSN: None     Source Type: Journal    
DOI: 10.1557/jmr.2006.0163     Document Type: Article

References (22)

1. J.L. Lyon, D.A. Fleming, B.B. Stone, P. Schiffer, and M.E. Williams: Synthesis of Fe oxide core/Au. shell nanoparticles by iterative hydroxylamine seeding. Nano Lett. 4, 719 (2004).
2. L. Wang, J. Luo, M.M. Maye, Q. Fan, Q. Rendeng, M.H. Engelhard, C. Wang, Y. Lin, and C-J. Zhong: Iron oxide-gold core-shell nanoparticles and thin film assembly. J. Mater. Chem. 15, 1821 (2005).
3. 4 with high surface reactivity. Chem. Mater. 16, 5527 (2004).
4. D. Caruntu, Y. Remond, N.H. Chou, M-J. Jun, G. Caruntu, J. He, G. Goloverda, C. O'Connor, and V. Kolesnichenko: Reactivity of 3D transition metal cations in diethylene glycol solutions. synthesis of transition metal ferrites with the structure of discrete nanoparticles complexed with long-chain carboxylate anions. Inorg. Chem. 41, 6137 (2002).
5. C-M. Fu, Y-F. Wang, Y-C. Chao, S-H. Hung, and M-D. Yang: Directly labeling ferrite nanoparticles with Tc-99m. radioisotope for diagnostic applications. IEEE Trans. Magn. 40, 3003 (2004).
6. R.F. Service: Nanotechnology takes aim at cancer. Science 310, 1132 (2005).
7. X. Gao, Y. Cui, R.M. Levenson, L.W.K. Chung, and S. Nie: In vivo cancer targeting and imaging with semiconductor quantum dots. Nat. Biotechnol. 22, 969 (2004).
8. 4 nanoparticles, Nano Lett. 5, 379 (2005).
9. D. Caruntu, B.L. Cushing, G. Caruntu, and C.J. O'Connor: Attachment of gold nanograins onto colloidal magnetite nanocrystals. Chem. Mater. 17, 3398 (2005).
10. M. Mikhaylova, D.K. Kim, N. Bobrysheva, M. Osmolowsky, V. Semenov, T. Tsakalakos, and M. Muhammed: Superparamagnetism of magnetite nanoparticles: Dependence on surface modification. Langmuir 20, 2472 (2004).
11. M. Spasova, V. Salgueiriño-Maceira, A. Schlachter, M. Hilgendorff, M. Giersig, L.M. Liz-Marzán, and M. Farle: Magnetite and optical tunable microsphere with a magnetic/gold nanoparticle shell. J. Mater. Chem. 15, 2095 (2005).
12. D. Beydoun, R. Amal, G.K-C. Low, and S. McEvoy: Novel photocatalyst: Titania-coated magnetite. Activity and photodissolution. J. Phys. Chem. B 104, 4387 (2000).
13. 2 and gold nanoparticles: Determination of shift in the fermi level. Nano Lett. 3, 353 (2003).
14. H. Haick and Y. Paz: Long-range effects of noble metals on the photocatalytic properties of titanium dioxide. J. Phys. Chem. B 107, 2319 (2003).
15. 2 thin films for azo-dye degradation. J. Catal. 220, 127 (2003).
16. 2 and gold nanoparticles: Determination of shift in the Fermi level. Nano Lett. 3, 353 (2003).
17. K. Malik, M. Mandal, N. Pradhan, and T. Pal: Seed mediated formation of bimetallic nanoparticles by UV irradiation: A photochemical approach for the preparation of "core-shell" type structures. Nano Lett. 1, 319 (2001).
18. 2(110). J. Am. Chem. Soc. 124, 5242 (2002).
19. Y. lizuka, T. Tode, T. Takao, K. Yatsu, T. Takeuchi, S. Tsubota, and M. Haruta: A kinetic and adsorption study of CO oxidation over unsupported fine gold powder and over gold supported on titanium dioxide. J. Catal. 187, 50 (1999).
20. 2 Complex. J. Catal. 207, 247 (2002).
21. H. Kominami, T. Nakaseko, Y. Shimida, A. Furusho, H. Inoue, S. Murakami, Y. Kera, and B. Ohtani: Selective photocatalytic reduction of nitrate to nitrogen molecules in an aqueous suspension of metal-loaded titanium(IV) oxide particles. Chem. Commun. 2933 (2005).
22. G. Shemer and G. Markovich: Enhancement of magneto-optical effects in magnetite nanocrystals near gold surfaces. J. Phys. Chem. B 106, 9195 (2002).