Figure 4.

Room-temperature PL spectra of InP nanowires grown for (a) 2, (b) 5, and (c) 7 min. Trace (d) is for the nanowires grown for 10 min based on the smaller catalyst fabricated.

Miao and Zhang Nanoscale Research Letters 2012 7:321   doi:10.1186/1556-276X-7-321
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