Abstract
A new material of strontium tetraaquad[N, N'-bis(salicylidene)semicarbazidatocobalt(II)] dihydrate (I) with the following composition: Sr[CoL'(Н2О)2]22Н2О, where H3L = N,N'-bis(salicylidene)semicarbazide was synthesized. The molar mass of the extracted and dehydrated complex compound Sr[Co (C15H14N3O5)]2 is 838.07 g/mol, and the number of valence electrons in one molecule is 256. A cylindrical sample with a mass of 0.09 g and a volume of 17.67∙10-9 m3 was utilized for experimental studies. Experimental measurements and theoretical calculations for the main physical parameters of the synthesized material were performed. Such quantities were calculated: the substance density, the molecule mass, the number of molecules in the test cylindrical sample, the number of valence electrons, the bandgap. Dependences of specific conductivity, current density, resistance, the Hall coefficient, and charge carrier concentration on temperature were obtained.
Highlights
The purpose of the study is to develop a new sensor based on the synthesized heterometallic complex of strontium tetraaquad[N, N'
In order to found out new heterometallic complex compounds with semiconductor properties, a method of synthesing the heterometallic complex of strontium tetraaquad
The investigation of electrically-conductive properties for the synthesized material in compressed form at the temperature range of 273 - 493 K has demonstrated that its bandgap was 0.78 еВ and its specific resistivity fell sharply from 7.69·1011 Ohm·m to 2.88·105·Ohm·m with temperature rising, which was typical for semiconductor materials
Summary
Physical Parameters of the Synthesized Complex Compound of Cobalt (II) with N, N'-Bis(salicylidene)semicarbazide. The molar mass of the extracted and dehydrated complex compound Sr[Co (C15H14N3O5)]2 is 838.07 g/mol, and the number of valence electrons in one molecule is 256. A cylindrical sample with a mass of 0.09 g and a volume of 17.67∙10-9 m3 was utilized for experimental studies. Experimental measurements and theoretical calculations for main physical parameters of the synthesized material were performed. Such quantaties were calculated: the substance density 5,093 103kg / m3 , the molecule mass m0 139,167 10 26kg , the number of molecules in the test cylindrical sample Nmol 6,467 1019molec. The number of valence electrons N 8,38 107 , the bandgap 0,78еВ.
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