S. E. Ross,1 Andrew F. Slaterbeck,1 Yining Shi,1 Saroj Aryal,1 M. Maizels,1 Carl J. Seliskar,1 William R. Heineman,1 Thomas H. Ridgway,1 Joseph H. Nevin1
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The detailed kinetics and associated optical waveforms of the spectroelectrochemical sensor in competitive binary mixtures of analytes are presented. The extension of the sensor concept to planar waveguide structures is described. Two different planar waveguide designs have been made and evaluated. One design was an asymmetric slab waveguide with the waveguide layer sandwiched between a silica substrate and a chemically-selective film. The other design was a channel waveguide, which consisted of an ion-exchanged channel between two gold electrodes in a 'bus bar' configuration. These new designs are described in detail and evaluation of them with respect to operation of the sensor in the near ultraviolet region is discussed. Results with the devices in demonstration of the novel spectroelectrochemical concept with three modes of selectivity are given. Instrumentation developed specifically for operation of the sensors and acquisition of sensor data is described.
S. E. Ross,Andrew F. Slaterbeck,Yining Shi,Saroj Aryal,M. Maizels,Carl J. Seliskar,William R. Heineman,Thomas H. Ridgway, andJoseph H. Nevin
"Spectro-electrochemical sensors: materials, incorporation of planar waveguide technologies, and instrumentation", Proc. SPIE 3537, Electro-Optic, Integrated Optic, and Electronic Technologies for Online Chemical Process Monitoring, (26 February 1999); https://doi.org/10.1117/12.341040
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S. E. Ross, Andrew F. Slaterbeck, Yining Shi, Saroj Aryal, M. Maizels, Carl J. Seliskar, William R. Heineman, Thomas H. Ridgway, Joseph H. Nevin, "Spectro-electrochemical sensors: materials, incorporation of planar waveguide technologies, and instrumentation," Proc. SPIE 3537, Electro-Optic, Integrated Optic, and Electronic Technologies for Online Chemical Process Monitoring, (26 February 1999); https://doi.org/10.1117/12.341040