Shell isolated nanoparticle enhanced Raman spectroscopy for mechanistic investigation of electrochemical reactions

Nano Convergence

Table 3 Raman peak assignment for the NO₃RR on the Cu(100) and Cu(110) surfaces observed using the SHINERS technique [50]

Peak	Raman shift [cm⁻¹]		Assignment
Peak	Cu(100)	Cu(110)	Assignment
A		509	Cu₂O
B		619	Cu₂O
D	801	801	NO₂̄ bending
E		817	NO₂̄ bending
F	931	931	v(Cl-O)
G	1044	1027	V_s NO stretching
H	1180	1183	v_s NO₂̄, chelating nitrito
I	1200	1208	v(N–O) nitrito orientation
J	1281	1272	v_a NO₂̄, chelating nitrito
K	1350	1349	v_s NO₂̄ of NO₃̄
L	1372	1373	v_a NO₂̄ of NO₃̄
M	1372	1374	v(N = O), nitrito orientation
N	1434	1431	v(N = O), bridging nitro
O	1528	1531	v(N = O), nitroxyl
P			HNO bending and stretching, nitroxyl