Open AccessStudy on electrodeposited CuFe film on Cu electrode as an efficient catalyst for electrochemical reduction of nitrate
Author(s) -
Thi Huong Thao Hoang,
Thi Binh Giang Truong,
Thi Hong Hanh Nguyen,
Tuan Hung Duong,
Duong Vu
Publication year - 2021
Publication title -
tạp chí khoa học và công nghệ việt nam (b, online) (vietnam journal of science and technology - most)/tạp chí khoa học và công nghệ việt nam (điện tử)/tạp chí khoa học và công nghệ việt nam (b, print) (vietnam journal of science and technology - most)
Language(s) - English
Resource type - Journals
eISSN - 2615-9759
pISSN - 1859-4794
DOI - 10.31276/vjst.63(11db).60-65
Subject(s) - underpotential deposition , scanning electron microscope , electrode , electrochemistry , catalysis , materials science , deposition (geology) , nitrate , inorganic chemistry , chemical engineering , cyclic voltammetry , chemistry , composite material , organic chemistry , paleontology , sediment , engineering , biology
In this research, a novel CuFe catalyst was fabricated using a simple, single-step electrodeposition method on a traditional Cu electrode. CuFe films from various electrodeposition baths with different Cu and Fe ratios were prepared by chronopotentiometry and characterised by X-ray diffraction (XRD), Scanning electron microscope (SEM), Energy dispersive X-ray analysis (EDX), and Pb underpotential deposition (Pb-UPD). The Cu electrode coated with CuFe8020 (from electrodeposition bath containing 80% Cu and 20% Fe) showed the highest reduction current among the film produced. The Cu electrode coated with CuFe8020 exhibited three times higher nitrate reduction efficiency and less undesired products like NO2− và NH4+ than the traditional Cu.