Incorporating an Alternating Donor–Acceptor Structure into a Ladder Polymer Backbone
Angewandte Chemie International Edition2016Vol. 55(27), pp. 7816–7820
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Abstract
Incorporation of the donor-acceptor structure of an alternating conjugated copolymer into a rigid ladder polymer backbone is reported. The resulting ladder polymers show optical features typical of rigid ladder polymers, but present an increased Stokes shift if compared to their non-polar counterparts. This behavior reflects the occurrence of charge transfer processes during excitation and leads to a positive solvatochromism.
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