A condensation polymer comprising: structural units derived from a polymerizable phosphorescent organometallic compound of formula wherein R 10 is hydrogen, alkoxy substituted with at least one hydroxy group, aryl substituted with at least one hydroxy group, alkylaryl substituted with at least one hydroxy group, arylalkyl substituted with at least one hydroxy group, or a combination thereof, preferably hydrogen; R 11 and R 12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring, preferably a pyridine ring; R 13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl, preferably halo; and p is 0, or is an integer that ranges from 1 to 4; structural units of formula II, wherein R 1, R 2, and R 4 are independently at each occurrence a C 1 -C 20 aliphatic radical, a C 3 -C 20 aromatic radical, or a C 3 -C 20 cycloaliphatic radical; wherein R 3 and R 5 are independently selected from the group consisting of hydrogen, triphenylsilyl, t-butyl, mesityl, diphenyl phosphine oxide, and diphenyl phosphine sulfide; and a, b and d are independently 0 or an integer ranging from 1 to 3; and structural units of formula structural units derived from a polymerizable phosphorescent organometallic compound of formula wherein R 10 is hydrogen, alkoxy substituted with at least one hydroxy group, aryl substituted with at least one hydroxy group, alkylaryl substituted with at least one hydroxy group, arylalkyl substituted with at least one hydroxy group, or a combination thereof, preferably hydrogen; R 11 and R 12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring, preferably a pyridine ring; R 13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl, preferably halo; and p is 0, or is an integer that ranges from 1 to 4; R 10 is hydrogen, alkoxy substituted with at least one hydroxy group, aryl substituted with at least one hydroxy group, alkylaryl substituted with at least one hydroxy group, arylalkyl substituted with at least one hydroxy group, or a combination thereof, preferably hydrogen; R 11 and R 12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring, preferably a pyridine ring; R 13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl, preferably halo; and p is 0, or is an integer that ranges from 1 to 4; structural units of formula II, wherein R 1, R 2, and R 4 are independently at each occurrence a C 1 -C 20 aliphatic radical, a C 3 -C 20 aromatic radical, or a C 3 -C 20 cycloaliphatic radical; wherein R 3 and R 5 are independently selected from the group consisting of hydrogen, triphenylsilyl, t-butyl, mesityl, diphenyl phosphine oxide, and diphenyl phosphine sulfide; and a, b and d are independently 0 or an integer ranging from 1 to 3; wherein R 1, R 2, and R 4 are independently at each occurrence a C 1 -C 20 aliphatic radical, a C 3 -C 20 aromatic radical, or a C 3 -C 20 cycloaliphatic radical; wherein R 3 and R 5 are independently selected from the group consisting of hydrogen, triphenylsilyl, t-butyl, mesityl, diphenyl phosphine oxide, and diphenyl phosphine sulfide; and a, b and d are independently 0 or an integer ranging from 1 to 3; and structural units of formula