Figure 4.

PL spectra of ZnO NWs. (a) Low-temperature (14 K) and (b) room-temperature PL spectra of undoped (#1) and In-doped (#2, #3) ZnO NWs. The In-doped NWs show donor bound exciton line I9 in LT-PL spectra, indicating the formation of InZn donors.

Duan et al. Nanoscale Research Letters 2013 8:493   doi:10.1186/1556-276X-8-493
Download authors' original image