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Title:Growth of MoSe2 thin films and use in electrochemical hydrogen evolution : abstract
Authors:Chouki, Takwa (Author)
Donkova, Borjana (Author)
Aktarla, Burhan can (Author)
Stefanov, Plamen (Author)
Emin, Saim (Author)
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Work type:Not categorized (r6)
Tipology:1.12 - Published Scientific Conference Contribution Abstract
Organization:UNG - University of Nova Gorica
Abstract:We present the chemical vapor deposition (CVD) approach to grow MoSe2 thin films using colloidal molybdenum nanoparticles (Mo NPs). The synthetic protocol of Mo NPs was achieved using a wet-chemical method. The obtained Mo NPs were spin-coated on graphite substrates and heat-treated in the presence of selenium vapors at several temperatures (≥750 °C). The electrocatalytic activities of heat-treated MoSe2 thin films were studied for hydrogen evolution reaction (HER) in 0.5 M sulfuric acid (H2SO4). The lowest recorded overpotential of 218 mV at 10 mA cm−2 vs. a reversible hydrogen electrode was achieved with MoSe2−800°C catalyst. In addition, electrochemical impedance spectroscopy (EIS) was performed to access the charge-transfer resistance of the MoSe2 films. The colloidal approach combined with CVD is a promising route to produce carbon supported MoSe2 electrocatalyst for HER.
Keywords:MoSe2 thin films CVD HER
Year of publishing:2020
COBISS_ID:140735747 Link is opened in a new window
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Title:Growth of MoSe2 thin films and use in electrochemical hydrogen evolution
Conference organizer:International Online Conference on Functional Nanomaterials
Place of publishing:online
Year of publishing:2020