Enhanced electronic properties of Pt@Ag heterostructured nanoparticles

Sensors (Switzerland)

Volumn 13, Issue 6, 2013, Pages 7813-7826

  Dao, Anh Thi Ngoc ^a   Mott, Derrick M ^a   Higashimine, Koichi ^a   Maenosono, Shinya ^a  

^a JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY   (Japan)

Author keywords

Core shell; Electronic transfer; Heterostructure; Nanoparticle; Plasmonics; Platinum; Silver

Indexed keywords

CORE-SHELL; ELECTRONIC TRANSFERS; ENHANCED PROPERTIES; NANOPARTICLE STRUCTURES; PLASMONIC PROPERTIES; PLASMONICS; POLYCRYSTALLINE PLATINUM; SILVER NANOPARTICLES;

ELECTRON TRANSITIONS; ELECTRONIC PROPERTIES; HETEROJUNCTIONS; NANOPARTICLES; PLATINUM; SHELLS (STRUCTURES); SYNTHESIS (CHEMICAL);

SILVER;

EID: 84879325946     PISSN: 14248220     EISSN: None     Source Type: Journal    
DOI: 10.3390/s130607813     Document Type: Article

References (19)

1. Lim, S.I.; Zhong, C.-J. Molecular mediated processing and assembly of nanoparticles: Exploring the interparticle interactions and structures. Acc. Chem. Res. 2008, 42, 798-808.
2. Wang, L.; Shi, X.; Kariuki, N.N.; Schadt, M.; Wang, G.R.; Rendent, Q.; Choi, J.; Lu, S.; Zhong, C.-J. Array of molecularly mediated thin film assemblies of nanoparticles: Correlation of vapor sensing with interparticle spatial properties. J. Am. Chem. Soc. 2007, 129, 2161-2170.
3. Rosi, N.L.; Mirkin, C.A. Nanostructures in biodiagnostics. Chem. Rev. 2005, 105, 1547-1562.
4. Mott, D.; Thuy, N.T.B.; Aoki, Y.; Maenosono, S. Aqueous synthesis and characterization of Ag and Ag-Au nanoparticles: Addressing challenges in size, monodispersity and structure. Phil. Trans. R. Soc. A 2010, 368, 4275-4292.
5. Cao, Y.W.; Jin, R.; Mirkin, C.A. DNA-modified core-shell Ag/Au nanoparticles. J. Am. Chem. Soc. 2001, 123, 7961-7962.
6. Ma, Y.; Li, W.; Cho, E.C.; Li, Z.; Yu, T.; Zeng, J.; Xie, Z.; Xia, Y. Au@Ag core-shell nanocubes with finely tuned and well-controlled sizes, shell thicknesses, and optical properties. ACS Nano 2010, 4, 6725-6734.
7. Rodriguez-Gonzalez, B.; Burrows, A.; Watanabe, M.; Kiely, C.J.; Liz Marzan, L.M. Multishell bimetallic AuAg nanoparticles: Synthesis, structure and optical properties. J. Mater. Chem. 2005, 15, 1755-1759.
8. Lu, X.; Tuan, H.-Y.; Chen, J.; Li, Z.-Y.; Korgel, B.A.; Xia, Y. Mechanistic studies on the galvanic replacement reaction between multiply twinned particles of Ag and HAuCl4 in an organic medium. J. Am. Chem. Soc. 2007, 129, 1733-1742.
9. Anh, D.T.N.; Singh, P.; Shankar, C.; Mott, D.; Maenosono, S. Charge-transfer-induced suppression of galvanic replacement and synthesis of (Au@Ag)@Au double shell nanoparticles for highly uniform, robust and sensitive bioprobes. Appl. Phys. Lett. 2011, 99, 073107.
10. Shankar, C.; Anh, D.T.N.; Singh, P.; Higashimine, K.; Mott, D.; Maenosono, S. Chemical stabilization of gold coated by silver core-shell nanoparticles via electron transfer. Nanotechnology 2012, 23, 245704.
11. Nishimura, S.; Anh, D.T.N.; Mott, D.; Ebitani, K.; Maenosono, S. X-ray absorption near-edge structure and X-ray photoelectron spectroscopy studies of interfacial charge transfer in gold-silver-gold double-shell nanoparticles. J. Phys. Chem. C 2012, 116, 4511-4516.
12. Bigall, N.C.; Härtling, T.; Klose, M.; Simon, P.; Eng, L.M.; Eychmüller, A. Monodispersed platinum nanospheres with adjustable diameters from 10 to 100 nm: Synthesis and distinct optical properties. Nano Lett. 2008, 8, 4588-4592.
13. Singh, P.; Thuy, N.T.B.; Aoki, Y.; Mott, D.; Maenosono, S. Intensification of surface enhanced Raman scattering of thiol-containing molecules using Ag@Au core@shell nanostructures. J. Appl. Phys. 2011, 109, 094301.
14. Mott, D.; Mai, N.T.; Thuy, N.T.B.; Sakata, T.; Higashimine, K.; Koyano, M.; Maenosono, S. Elucidation of the complex structure of nanoparticles composed of bismuth, antimony, and tellurium using scanning transmission microscopy. J. Phys. Chem. C 2011, 115, 17334-17340.
15. Reference Data Accessed from the International Centre for Diffraction Data Database, 2012. Card Number 00-004-0802 for fcc Platinum. Available online: http://www.icdd.com/ (accessed on 18 June 2013).
16. Reference Data Accessed from the International Center for Diffraction Data Database, 2012. Card Number 00-004-0783 for fcc Silver. Available online: http://www.icdd.com/ (accessed on 18 June 2013).
17. Dutta, S.; Ganguly, B.N. Characterization of ZnO nanoparticles grown in presence of Folic acid template. J. Nanobiotechnol. 2012, 10, 29.
18. Maenosono, S.; Lee, J.; Dao, A.T.N.; Mott, D. Peak shape analysis of Ag 3d core-level X-ray photoelectron spectra of Au@Ag core-shell nanoparticles using an asymmetric Gaussian-Lorentzian mixed function. Surf. Interf. Anal. 2012, 44, 1611-1614.
19. Mott, D.; Anh, D.T.N.; Singh, P.; Shankar, C.; Maenosono, S. Electronic transfer as a route to increase the chemical stability in gold and silver core-shell nanoparticles. Adv. Colloid Interface 2012, 185-186, 14-33.