Molybdenum disulfide as the interfacial layer in the CuO–TiO 2 photocathode for photoelectrochemical cells

作者: Asad Mahmood , Fatih Tezcan , Gülfeza Kardaş

DOI: 10.1007/S10854-017-7124-Y

关键词: Chemical engineeringPhotocurrentPhotocathodeLayer (electronics)Photoelectrochemical cellMolybdenum disulfideIndium tin oxideDielectric spectroscopyNanotechnologyMaterials scienceElectrode

摘要: Photoelectrochemical cells guarantee the production of hydrogen as clean energy source to overcome crisis. In this study, we have explored impact MoS2 interfacial layer in CuO–TiO2 composite photocathode framework. The CuO was electrodeposited on indium tin oxide (ITO) coated glass substrates and subsequently treated at high temperature (550 °C for 2 h) develop CuO. fitting electrochemical impedance spectroscopy data revealed a decrease magnitude total (ǀZǀ) with between TiO2. magnitudes charge transfer resistance ITO/CuO, ITO/CuO/TiO2, ITO/CuO/MoS2/TiO2 electrodes were calculated 429,170, 18,490, 17,388 Ω cm−2, respectively. Likewise, photocurrent density increased addition interface up −0.73 mA cm2 which recorded −0.39 mA cm2. This study is critical future improvement potential materials enhanced response.

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