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Jianhua Liu, Bright Walker, Arnold Tamayo, Yuan Zhang and Thuc-Quyen Nguyen Effects of Heteroatom Substitutions on the Crystal Structure, Film Formation, and Optoelectronic Properties of Diketopyrrolopyrrole-Based Materials Advanced Functional Materials 23

Version of Record online: 9 AUG 2012 | DOI: 10.1002/adfm.201201599

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The effects of heteroatom substitutions on the functional properties of diketopyrrolopyrrole-containing molecules are systematically investigated to identify the internal structure–property relationships. While the optical absorption and energy levels are insensitive to the heteroatom substitution, the materials' single crystal structures, capability of film formation, carrier mobility, and photovoltaic performance are significantly changed by the heteroatom substitutions.

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