Sb-Contribution Influence on the Characteristics of Spray-Coated SnO2
Abstract
This work presents that the impact of Sb-additive on the crystalline,
morphological, optical, and electrical features of SnO2.
Sb-incorporated samples were fabricated on glass substrates with spray
pyrolysis. Pyramidal and polyhedron shaped tetragonal Sb-introduced SnO2
grains were identified with XRD and SEM analysis. The degenerate n-type
character for films was determined by electrical and optical characterizations.
The resistivity and sheet resistance values initially decreased with Sb-content
until 1.5 wt. %, then they increased with further Sb-level. However, carrier
concentration increased with 2.5 wt. % Sb-contribution, then it started to goes
down with 3.5 wt. %. The optical band-gap values of samples had a decreasing
tendency with Sb-doping. From the results obtained in the present study, it is
said that Sb-incorporated tin oxide films can be utilized in optoelectronic
implements.
Keywords
Sb-doping,Electrical properties,Spray Pyrolysis,SnO2,Electrical properties
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