WORLD JOURNAL OF ADVANCE
HEALTHCARE RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Review Journal for Medical Science and Pharma Professionals

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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  • Google Scholar
  • Index Copernicus
  • SOCOLAR, China
  • Research Bible, Fuchu, Tokyo. JAPAN
  • Cosmos Impact Factor
  • Scientific Indexing Services (SIS)
  • UDLedge Science Citation Index
  • International Impact Factor Services
  • International Society for Research Activity (ISRA) Journal Impact Factor (JIF)
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  • IFSIJ Measure of Journal Quality
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Abstract

OPTICAL CHARACTERIZATION OF TIN SELENIDE (SNSE) THIN FILMS PREPARED BY THERMAL EVAPORATION FROM ELEMENTAL PRECURSORS (SE) AND (SN)

Abdalmoaen Alales, Prof. Dr. Reiad Al-Abdallah, Prof. Dr. Ayman Ksibe

ABSTRACT

Tin selenide (SnSe) thin films with a thickness of ) were prepared by direct thermal evaporation of a mixture of its elemental precursors, Selenium (Se) and Tin (Sn), in a 1:1 molar ratio on glass substrates at room temperature. X-ray diffraction (XRD) and morphological analysis (SEM/AFM) confirmed that the as-deposited sample possesses a pure orthorhombic crystalline phase, whereas stepwise thermal treatment led to phase decomposition and impurity formation. Optical analysis revealed a high absorption coefficient ( ) and two bandgaps: a direct gap of 1.42 eV and an indirect gap of 0.65 eV. The experimental results demonstrate the viability of these films as efficient, low-cost active materials for solar cell and broadband photodetector applications.

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