文档介绍：Solar aspects of papers
Spectral Selectivity Characteristics of FeCuS Thin Film and its Possible Solar Energy Applications.
. Babatunde+ and . Uhuegbu
Department of Physics, Covenant University,
Otta, Ogun State, Nigeria
ebbabatunde@
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Abstract.
Three ternary thin films of FeCuS, prepared with different concentrations of , and respectively, were grown using solution growth techniques (SGT). The technique is cheap and less sophisticated. The films were characterized measuring their absorbance (A), transmittance (T) and reflectance (R) using PYE- UNICO UV- 2102 PC spectrophotometer. The characterization was in the UV/VIS regions of the ic spectrum. The UV, VIS and IR spectrum make up about 99% of the solar radiation spectrum. The films have relatively high absorbance from about to about , relatively high reflectance of about 20% maximum in UV region, while they have high transmittance from about 76% to about 92% and low reflectance of less than about 10% in the VIS and IR regions of the ic spectrum. They are therefore materials suitable for application in eye glass technology, poultry and photovoltaic industries. The film with the lowest concentration of is expected to perform best in the above mentioned applications.
Key words: FeCuS, Thin Films, Spectral Selectivity, application
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Introduction
Spectral selectivity phenomenon of a material surface is obtained by applying coatings of thin films of certain substances on substrates, be it opaque or transparent. As a result of the coating, the optical properties of the surface are modified, making it a material suitable for solar energy applications [1-4]. The optical properties, among others include transmittance (T), absorbance (A) and reflectance (R). The consequence of exposing such a surface to solar radiation is that only certain wavelengths of the incident radiation are transmitted or absorbed or reflected by the surfa