Nanoporous Ni(OH)₂ Interlinked Co₃O₄ Heterojunction: A Novel Approach to Chromium (VI) Detection

Key Points

• The main aim is to develop a heterojunction sensor for the efficient detection of hexavalent chromium.
• Synthesis of nanoporous Ni(OH)₂/Co₃O₄ heterojunction.
• Characterization of structural properties and electrochemical performance.
• Testing the sensing ability for hexavalent chromium detection.
• The engineered heterojunction exhibited enhanced electrochemical performance.
• Demonstrated high sensitivity and efficiency in detecting chromium (VI).
• Showed potential for real-time environmental monitoring applications.