Surface-enhanced Raman scattering of hydroquinone assisted by gold nanorods

Electrochromic Properties and Electrochemical Behavior of Marennine, a Bioactive Blue-Green Pigment Produced by the Marine Diatom Haslea ostrearia

“…The modification of the Raman spectra with the introduction of sodium dithionite allows us to hypothesize that the change in the state of the chromophore may come from a reduction of semiquinones and/or benzoquinones to hydroquinones. Indeed, the Raman spectrum of reduced state is similar to simulated and experimental data recently reported by Cabrera-Alonso et al [ 36 ]. Based on previous work [ 37 ], a tentative attribution of the main vibrational bands can be made.…”

Molecular Layer Deposition of Alucone Thin Film on LiCoO2 to Enable High Voltage Operation

“…In this case, examination of the Raman modes intensity ratios of the HQ/Al coated and uncoated LCO reveals that for the HQ/Al coated LCO, Co−O stretching mode is more dominant than O−Co−O bending mode. Furthermore, a new broad mode is observed at 659.7 cm −1 assigned to the HQ molecule [71,72] . The shape of this peak indicates an amorphous coating.…”

Ag Nanoparticles Synthesized on Black-Titanium Dioxide by Photocatalytic Method as Reusable Substrates of Surface-Enhanced Raman Spectroscopy

“…Figure 5a shows the Raman spectra of terephthalic acid with concentrations ranging from 10 −5 to 10 −7 M and the characteristic SERS peaks of terephthalic acid at ~868 and ~1450 cm −1 , ascribed to the out plane bending of the C-H and O-H hydrogen bond bending vibration modes, respectively [38]. Figure 5b shows the Raman spectra of hydroquinone, with concentrations ranging from 10 −5 to 10 −7 M. The characteristic SERS peaks of hydroquinone at ~1180 and 1612 cm −1 are ascribed to C-H bending and C-C stretching, respectively [39]. Figure 5c shows the Raman spectra of p-phenylenediamine, with concentrations ranging from 10 −5 to 10 −7 M. The characteristic SERS peaks of pphenylenediamine at ~1611, 1523 and 843 cm −1 are ascribed to the stretching of aromatic C-C, C-N stretching, and the symmetric ring breathing modes, respectively [40].…”