The invention relates to polymers comprising fused selenophene rings, to their use as semiconductors or {HEAD ~ charge transport materials} in {TAIL ~ optical, electrooptical or electronic devices}, and to optical, electrooptical or electronic devices comprising them 
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The invention relates to polymers comprising fused selenophene rings , to their use as semiconductors or { HEAD ~ charge transport materials } in { TAIL ~ optical , electrooptical or electronic devices } , and to optical , electrooptical or electronic devices comprising them
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