An Investigation on Design and Characterization of a Highly Selective LED Optical Sensor for Copper Ions in Aqueous

Sheng-Chun Hung1, Chih-Cheng Lu1,2, Yu-Ting Wu2

  • 1Department of Intelligent Automation Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.

Summary

We developed a low-cost photoelectric sensor for detecting copper (Cu) ions using optical absorption. This fast-response sensor shows excellent specificity and sensitivity for accurate Cu ion quantification in aqueous solutions.