POLYMERIC MATERIAL COMPRISING N, P, S, AS OR SE AND COMPOSITION FOR CHARGE TRANSPORT MATERIAL
There is described a polymeric material comprising at least one repeat unit, the or each (if more than one) repeat unit consisting substantially of a moiety of Formula (1) in which: Y1 represents, independently if in different repeat units, N, P, S, As and/or Se, preferabl y is N; Ar1 and Ar2 which...
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