Fig 3.
(a) XPS survey spectrum, (b) the XPS spectrum of Cu 2p, (c) the XPS spectrum of In 3d, (d) the XPS spectrum of Zn 2p and (e) the XPS spectrum of S 2p of the ZCIS alloyed NCs prepared by thermolysis of 0.2 mmol of CuI, 0.2 mmol of In(Ac)3, 0.1 mmol of Zn(SA)2 and 1 mL of dodecanethiol in 8 mL of ODE at 240 °C for 70 min.