Influence of chromium doping concentration on physical properties and electrochemical performance of iron (III) oxide (Fe2O3) thin films: An EIS and Mott-Schottky study

Key Points

• Iron oxide thin films demonstrated enhanced electrochemical performance with increased chromium doping concentration.
• Optimal properties were observed with chromium concentrations at specific levels, reaching notable performance metrics.
• Electrochemical Impedance Spectroscopy and Mott-Schottky analysis were utilized to assess the films' performance and characteristics.
• Findings highlight the importance of doping levels for improving material efficiency in applications.