Figure 2

FTIR of Cu nanostructures. (a) CuNWs, (b) CuNWs kept at 0 °C for 8 hours, (c) CuNWs kept at RT for 8 hours, (d) CuNWs kept at 150 °C for 8 hours, and (e) CuNWs kept at 300 °C for 8 hours.
FTIR of Cu nanostructures. (a) CuNWs, (b) CuNWs kept at 0 °C for 8 hours, (c) CuNWs kept at RT for 8 hours, (d) CuNWs kept at 150 °C for 8 hours, and (e) CuNWs kept at 300 °C for 8 hours.