Structural, vibrational, optical, photoluminescence, thermal, dielectric, and mechanical studies on zinc (tris) thiourea sulfate single crystal: A noticeable effect of organic dye
Shkir Mohd1, †, Ganesh V1, AlFaify S1, ‡, S Yahia I1, Anis Mohd2
       

(a) Diffused reflectance spectra and (b) plots of optical band gap.