Crystal Growth of RuS2 Using a Chemical Vapor Transport Technique and Its Properties

Abstract

In this work, we study the effect of increasing temperature on the structure parameters (lattice, sulfur–sulfur distance, and ruthenium–sulfur distance) and the energy gap of RuS2. However, it was very challenging to obtain a sample of RuS2 due to many factors, some of which are discussed in the introduction. To prepare the crystal growth of RuS2, we have used the chemical vapor transport technique. The crystals obtained show a pyrite structure, of which we studied its crystallographic structure, including the structure of crystals in surface (100). The sample was then characterized by X-ray diffraction and by microprobe analysis. We determine the relationship between the energy gap and the sulfur–sulfur distance. We analyzed the S-S bond compared with the S2 molecule.

A new study of the optical and structural characterization properties of p-type ZnS2 pyrite with an application in solar energy

“…11 we have S s 3 character. Next the Zn d 3 levels appear an additional with the basic structure of S p 3 states.…”

Impact of alloying iron pyrite by ruthenium on its band gap values and its insight to photovoltaic performance

“…They found that the band gap of pyrite increases with add some percentage of Ru or Os. Also Jun Hu et al [ 40 ] investigated by using DFT calculation, iron pyrite alloyed with oxygen; their obtained band gap shows an increase to 1.52 eV RuS2 pyrite has an indirect band gap [ [41] , [42] , [43] , [44] ], while Iron pyrite has a direct band gap [ [45] , [46] , [47] , [48] , [49] ]. Also, some other new theoretical study done in Ref.…”