id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_dqud2adhprei3jnj4zdro365pa	Laura Giacopetti	First principles study of the optical emission of cadmium yellow: Role of cadmium vacancies	2018	8	.pdf	application/pdf	4058	373	59	We study the role of structural defects in the CdS-based cadmium yellow paint to vacancies in the pigment surface alters the electronic structure of cadmium sulfide Such levels are consistent with the optical emission from trap state levels detected in the CdS pigment. the vacancy DOS (red curve) follows different spin up and down profiles and still, the acceptor state To estimate the optical transitions we adopted an affordable method based on the formalism of formation energies, successfully applied in a variety of wide gap semiconductors and agreement with the few research studies carried out on the near-infrared optical emission of cadmiumbased pigments associated with trap states.18–20 Rosi et al.,20 following analysis of the commercial pigment based on hexagonal CdS, has reported two distinct trap state peaks at 1.24 eV and 1.64 eV. Formation energies, Ef (eV), for surface top and hollow Cd vacancies both in neutral and negatively charged states,	./cache/work_dqud2adhprei3jnj4zdro365pa.pdf	./txt/work_dqud2adhprei3jnj4zdro365pa.txt