PLD Grown Polycrystalline Tungsten Disulphide (WS2) Films | Zendy

Salman Alfihed | Zendy; Mohammad Istiaque Hossain | Zendy; Abdulaziz Alharbi | Zendy; Ahmed Y. Alyamani | Zendy; Fahhad H. Alharbi | Zendy

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PLD Grown Polycrystalline Tungsten Disulphide (WS₂) Films

Author(s) -

Salman Alfihed,

Mohammad Istiaque Hossain,

Abdulaziz Alharbi,

Ahmed Y. Alyamani,

Fahhad H. Alharbi

Publication year - 2013

Publication title -

journal of materials

Language(s) - English

Resource type - Journals

eISSN - 2314-4874

pISSN - 2314-4866

DOI - 10.1155/2013/603648

Subject(s) - crystallite , materials science , strontium titanate , tungsten , pulsed laser deposition , substrate (aquarium) , diffraction , photovoltaics , thin film , chemical engineering , nanotechnology , optoelectronics , crystallography , analytical chemistry (journal) , metallurgy , optics , chemistry , photovoltaic system , ecology , oceanography , physics , engineering , geology , biology , chromatography

Polycrystalline WS2 films were grown by pulsed laser deposition (PLD) system at relatively low temperature. The main objective of this study is to optimize the growth conditions for polycrystalline WS2 films at relatively low temperature to use them for photovoltaics (PVs). Different growth conditions and substrates are used and examined systematically. It is found out that films grown on strontium titanate SrTiO3 (STO) substrate have the best structural properties when compared to other substrates examined in this work. X-ray diffraction and optical characterizations of these films reveal crystallographic growth and very promising optical properties for PVs. Furthermore, it was observed that higher growth temperature (>300°C) has an unfavorable effect on the layers by creating some tungsten metallic droplets

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