Figure 5.

CV curves of the CZTSe NC thin films and the energy level diagram. (a) CV curves of the CZTSe NC thin films before and after ligand exchange by 550°C selenization. (b) The energy level diagram before the formation of heterojunction in CZTSe solar cells.

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