C ONTENTS P REFACE TO C HEMICAL S ENSORS : F UNDAMENTALS OF S ENSING M ATERIALS P REFACE TO V OLUME 3: P OLYMERS AND O THER M ATERIALS A BOUT THE E DITOR C ONTRIBUTORS 1 P OLYMERS IN C HEMICAL S ENSORS B. Adhikari P. Kar 1 Introduction 2 What Are Polymers? 3 Parameters of Polymers Promising for Chemical Sensor Application 4 Synthesis of Polymers 5 Deposition of Polymers 6 Functionalization of Polymers 6.1 Structure Modification 6.2 Surface Modification 6.3 Composition Modification 7 Polymers in Chemical Sensors 7.1 7.2 7.3 7.4 7.5 Optical and Fiber Optic Polymer-Based Sensors Conductometric Gas Sensors SAW and QCM Polymer-Based Sensors Electrochemical Polymer-Based Sensors Chemically Sensitive FET-Based Sensors xi xiii xv xvii 1 1 3 4 7 9 13 13 14 15 16 20 27 40 45 57 61 61 62 8 Outlook 9 Acknowledgments References v