1. Department of Polymer Science & Engineering, University of Massachusetts, Amherst, Amherst, Massachusetts 01003; Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294; Departments of Chemical Engineering, Chemistry, Materials Science, and Electrical Engineering, Polytechnic University, Six Metrotech Center, Brooklyn, New York 11201; U. S. Army Research Laboratory, Aberdeen Proving Grounds, Maryland 21005; and Department of Chemistry, University of Athens,...