Cathodic Electrodeposition and Characterization of ni3se2 thin Films | Zendy

K. Anuar | Zendy; Zulkarnain Zainal | Zendy; S. Natarajan | Zendy; A.R Kartini | Zendy

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Cathodic Electrodeposition and Characterization of ni3se2 thin Films

Author(s) -

K. Anuar,

Zulkarnain Zainal,

S. Natarajan,

A.R Kartini

Publication year - 2017

Publication title -

asean journal on science and technology for development

Language(s) - English

Resource type - Journals

eISSN - 2224-9028

pISSN - 0217-5460

DOI - 10.29037/ajstd.88

Subject(s) - linear sweep voltammetry , crystallite , materials science , thin film , band gap , analytical chemistry (journal) , selenide , aqueous solution , semiconductor , substrate (aquarium) , cyclic voltammetry , titanium , nanotechnology , optoelectronics , chemistry , metallurgy , electrochemistry , electrode , oceanography , selenium , chromatography , geology

Nickel selenide thin films have been potentiostatically electrodeposited on titanium substrate at room temperature from aqueous solution containing Ni-EDTA and Na2SeO3. Various deposition potentials were attempted in order to determine the optimum electrodeposition potential. The films were characterised using x-ray diffraction analysis (XRD) and the photoactivity of the electrosynthesised films were studied using linear sweep voltammetry (LSV). The band-gap energy was determined using UV-visible spectroscopy. The XRD analysis indicated the formationof polycrystalline Ni3Se2. The film exhibited p-type semiconductor behaviour with good photosensitivity. The bandgap energy (Eg) was about 1.4eV.

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