P.E. Vickers et al. Carbon 38(2000)675-689 URVEY 120 Binding Energy /ev OX FIBRES OUTGASSED 122C 17HR 0.m006010 Binding Energy /eV or TREATED FIERES OUTGASSED 122C 185H 000 n 0 200 600 1000 1200 Binding Energy /ev TREATED FIBRES ot Fig. L. XPS survey scans of:(a)0%,(b)25%; and(c)200% treated fibresP.E. Vickers et al. / Carbon 38 (2000) 675 –689 679 Fig. 1. XPS survey scans of: (a) 0%; (b) 25%; and (c) 200% treated fibres