Figure 1.

XRD pattern, Raman spectrum, HRTEM image, and optical absorption spectrum of CZTSe NCs. (a) XRD pattern of CZTSe NCs. [The standard diffraction lines of tetragonal-phase CTZSe (JCPDS 52-0868) are shown at the bottom for comparison.] (b) Raman spectrum of CZTSe NCs. (c) HRTEM image of CZTSe NCs. (d) Optical absorption spectrum of CZTSe NCs. (The inset shows the bandgap of CZTSe NCs).

Wang et al. Nanoscale Research Letters 2014 9:262   doi:10.1186/1556-276X-9-262
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