SEM images of (a) N doped and (b) undoped ZnO nanorods using nitrate precursor; (c) N doped and (d) undoped ZnO nanorods using acetate precursor. The scale bars are 100 nm.
(Color online) Variable temperature PL spectra of (a) N doped and (b) undoped ZnO nanorods using nitrate precursor; (c) N doped and (d) undoped ZnO nanorods using acetate precursor.
(Color online) Normalized PL spectra of samples prepared using different precursors at 15 K.
(Color online) I-V curves of (a) doped samples with different dielectric between the rods (b) undoped samples with different metal electrode (c) ohmic contact check for the structure ITO/ZnO nanorods + SOG/Au or Ag. The inset shows ohmic contact check for Al/Ag contact on GaN.
(Color online) SIMS profiles for DN (closed symbols) and DA (open symbols) samples.
AES spectrum of DN sample.
(a)–(b) TEM of DN and DA samples; The insets show the corresponding HRTEM images and SAED patterns (c)–(d) EELS spectra of DN and DA samples. The inset shows reference nitrogen spectrum from BN sample.
(Color online) (a) Experimental and fitted I-V curve of DN sample with PMMA (b) Comparison of I-V curves of DN samples immediately as prepared and after storage in low vacuum.
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