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Junghoon Lee, Myoung Hee Yun, Jonggi Kim, Jin Young Kim and Changduk Yang Toward the Realization of A Practical Diketopyrrolopyrrole-Based Small Molecule for Improved Efficiency in Ternary BHJ Solar Cells Macromolecular Rapid Communications 33

Version of Record online: 2 DEC 2011 | DOI: 10.1002/marc.201100643

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An easily accessible DPP-based small molecule (DMPA-DTDPP) has been synthesized by a simple and efficient route. The resulting molecule, when incorporated into a P3HT:PCBM-based BHJ solar cell, is found to significantly improve the efficiency. Considering the trouble-free and cost effective synthesis of DMPA-DTDPP, it may prove very useful in high-performance solar cells.

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