Unexpectedly large photocurrents arising at polycrystalline silver electrodes, during cathodic reduction of carbon dioxide dissolved in various aqueous salt solutions, are reported. The quantum yields of the photocurrent are shown to be strongly affected by the surface roughness, reaching almost 1% at the photon energy of 3.5 eV. The sharp peak of the photocurrent observed at this photon energy suggests that surface plasmons on silver play the main role in the observed photoeffect.
BT - Chemical Physics Letters LA - eng LB - Electrochem N1 -0009-2614doi: DOI: 10.1016/0009-2614(92)86070-X
N2 -Unexpectedly large photocurrents arising at polycrystalline silver electrodes, during cathodic reduction of carbon dioxide dissolved in various aqueous salt solutions, are reported. The quantum yields of the photocurrent are shown to be strongly affected by the surface roughness, reaching almost 1% at the photon energy of 3.5 eV. The sharp peak of the photocurrent observed at this photon energy suggests that surface plasmons on silver play the main role in the observed photoeffect.
PY - 1992 SP - 386 EP - 390 T2 - Chemical Physics Letters TI - Unusually strong cathodic photoeffect at silver in contact with aqueous solutions containing carbon dioxide VL - 194 ER -