Surface-Enhanced Raman Scattering (SERS) - iaria

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Optimal <strong>SERS</strong> substrate Stiles P.L. et all, Annual Review of Analytical Chemistry, 1, 2008, p.601-26 August 19, 2012 ICQNM 2012 Rome, Italy 54
Pillar based substrate SiO2 d=150nm gap 350 nm h=500nm Ag 80nm EF=5·10 7 benzenethiol 785 nm M. R Gartia et al., Rigorous surface enhanced <strong>Raman</strong> spectral characterization of large-area high-uniformity silver-coated tapered silica nanopillar arrays, Nanotechnology, 21(2010) 395701 (9pp) August 19, 2012 ICQNM 2012 Rome, Italy 55
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 and 30: Distance dependence Pyridine, Ag ov
Page 31 and 32: Wavelength dependence benzenethiol,
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: Nanohole array 100 nm thick Au 200
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
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