A Large-Scale Synthesis and Characterization of Quaternary CuInxGa1−xS2 Chalcopyrite Nanoparticles via Microwave Batch Reactions

Table 3

Composition (from ICP-OES analysis), optical bandgaps (𝐸_𝑔) (from UV-Vis spectra), and sizes (from XRD) of soluble CuIn_0.72Ga_0.28S₂ nanoparticles prepared at 195°C.

Entry	Cu%	In%	Ga%	In+Ga	In/In+Ga	Ga/In+Ga	Eg (eV)	Size (nm)
14	21.77	14.85	5.59	20.44	0.73	0.27	1.78	4.1
15	20.92	14.51	5.42	19.93	0.73	0.27
16	21.47	14.23	5.28	19.50	0.73	0.27
17	20.99	13.53	5.76	19.29	0.70	0.30
18	21.51	15.32	5.36	20.67	0.74	0.26