Synthesis of CdS Nanocrystals by Employing the By-Products of the Anaerobic Respiratory Process of Desulfovibrio alaskensis 6SR Bacteria

Table 2

Percent of phases, grain size, and adjustment factor () as obtained from XRD analysis.

Sample	Cubic phase (%)	Hexagonal phase (%)	Grain size (nm)	(%)	Band gap (eV)
170 ppm	30	70	17	10.3	2.226
200 ppm	17	83	17	6.2	2.220
300 ppm	27	73	10	11.1	2.146
400 ppm	22	78	15	7.5	2.157