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Author

Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab (ATOMS)
Research Interests
  • Optoelectronic materials synthesis/organic electronics, functionalization of carbonaceous solids, advanced materials chemistry, macromolecular chemistry

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Toward the Realization of A Practical Diketopyrrolopyrrole-Based Small Molecule for Improved Efficiency in Ternary BHJ Solar Cells

Cited 19 times inthomson ciCited 18 times inthomson ci
Title
Toward the Realization of A Practical Diketopyrrolopyrrole-Based Small Molecule for Improved Efficiency in Ternary BHJ Solar Cells
Author
Lee, JunghoonYun, Myoung HeeKim, JonggiKim, Jin YoungYang, Changduk
Keywords
Control device; Cost effective; Diketopyrrolopyrroles; dimethylphenylamine; Energy funnels; Overall power conversion efficiency; Small molecules
Issue Date
201201
Publisher
WILEY-BLACKWELL
Citation
MACROMOLECULAR RAPID COMMUNICATIONS, v.33, no.2, pp.140 - 145
Abstract
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. The utility of DMPA-DTDPP as an additive yields an increase in the short circuit current density (Jsc) because DMPA-DTDPP serves as an energy funnel for P3HT excitons at the P3HT:PCBM interfaces, resulting in an improved overall power conversion efficiency, compared to the P3HT:PCBM control device. Considering the trouble-free and cost effective synthesis of DMPA-DTDPP, it may prove very useful in high-performance solar cells.
URI
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DOI
http://dx.doi.org/10.1002/marc.201100643
ISSN
1022-1336
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