Surface-Enhanced Raman Scattering (SERS) - iaria

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Ag dimer enhancement 36 nm spheres separated by 2 nm gap For sphere is 85, slide 22 E. Hao and G. C. Schatz, J. Chem. Phys., Vol. 120, No. 1, 1 January 2004 August 19, 2012 ICQNM 2012 Rome, Italy 30
Wavelength dependence benzenethiol, 620 nm NSL with 450nm spheres, 55 nm Ag on glass SERES – suraface enhanced ecxitation spectroscopy <strong>SERS</strong> is maximum when laser excitation is between SPR and the analized specturm line J. Phys. Chem. B 2005, 109, 11279-11285 August 19, 2012 ICQNM 2012 Rome, Italy 31
Page 1 and 2: Surface-Enhanced Raman Scattering (
Page 3 and 4: Pros and cons of Raman (SERS) • A
Page 5 and 6: Energy levels =2 Excited electron s
Page 7 and 8: Dipole moment in a molecule 0 - mo
Page 9 and 10: IR vs Raman Polystyrene Senses dipo
Page 11 and 12: Stokes vs anti-Stokes Rayleigh line
Page 13 and 14: Cross-sections of the optical proce
Page 15 and 16: Steps of Raman development • Lase
Page 17 and 18: SERS experiment with pyridine adsor
Page 19 and 20: First experience • SERS condition
Page 21 and 22: Deilectric function of metals E.C.
Page 23 and 24: Optical properties of metals Re() i
Page 25 and 26: Plasmonic welding Before illuminati
Page 27 and 28: Electric field outside of metal sph
Page 29: Distance dependence Pyridine, Ag ov
Page 33 and 34: SERRS • The energy of the incomin
Page 35 and 36: Chemical enhancement EF EM , EF CE
Page 37 and 38: SERS enhancement factor Analytical
Page 39 and 40: Inetrmediate conclusion II • High
Page 41 and 42: Metal colloids for SERS • Mainly
Page 43 and 44: SPR of colloids Observed effects ar
Page 45 and 46: Gold Lace Nanoshells PU means amphi
Page 47 and 48: Nanoshells 4-mercaptobenzoic acid (
Page 49 and 50: ’Planar’ substrates - metal isl
Page 51 and 52: ’Planar’ substrates - nanoengin
Page 53 and 54: Nanohole array 100 nm thick Au 200
Page 55 and 56: Pillar based substrate SiO2 d=150nm
Page 57 and 58: Commersial SERS substrate (Klarite)
Page 59 and 60: Single-molecule detection • Compe
Page 61 and 62: SERS fluctuation sources • Photo-
Page 63 and 64: Raman instrumetation Excitation and
Page 65 and 66: Portable Raman Stage Optical fiber
Page 67 and 68: Single walled carbon nanotube on Si
Page 69 and 70: Fabrication method of metal nanostr
Page 71 and 72: Large and small particles on the sa
Page 73 and 74: EF measurement thioglycerol Used fo
Page 75 and 76: Biological applications of SERS •
Page 77 and 78: Summary • Metal nanostructures pr
Page 79 and 80: Questions • Is it possible to do

Surface-Enhanced Raman Scattering (SERS) - iaria

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