Figure 1
From: Ultrahigh photoconductivity of bandgap-graded CdSxSe1−x nanowires probed by terahertz spectroscopy
(a) Fluorescence microscopy image of the as-grown bandgap-graded CdSxSe1−x nanowires. Insert: Fluorescence microscopy image of an individual bandgap-graded CdSxSe1−x nanowires. (b) PL spectra collected along different positions in the individual nanowire. The intensity is normalized.
