title: Bandgap engineering of colloidal zinc oxysulfide via lattice substitution with sulfur.
abstract: Zinc oxysulfide nanocrystals with zinc blende phase are synthesized through a wet-chemical method. An affirmation of the crystal structure, elemental homogeneity and phase transformation is obtained by X-ray diffraction and authenticated by electron micrographic studies. Theoretical observations have strongly supported the thermodynamic solubility limit for its (30%) formation. An anomalous bandgap bowing with modulation in bandgap from 3.74 eV (ZnO) to 3.93 eV (ZnS) was observed with a minimum bandgap of 2.7 eV. Tunable bandgap and a wide range of visible emission ascertain it as a potential material for optoelectronic and solar cell applications due to its large bandgap offsets.
authors: Department of Chemistry, MN National Institute of Technology, Allahabad, India. graph.kshiv@gmail.com.
authors: Shiv K
authors: SK
authors: Pandey
authors: Shipra
authors: S
authors: Pandey
authors: Vyom
authors: V
authors: Parashar
authors: Raghvendra S
authors: RS
authors: Yadav
authors: G K
authors: GK
authors: Mehrotra
authors: Avinash C
authors: AC
authors: Pandey