Fast P3HT Exciton Dissociation and Absorption Enhancement of Organic S…
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논문명 | Fast P3HT Exciton Dissociation and Absorption Enhancement of Organic Solar Cells by PEG‐Functionalized Graphene Quantum Dots |
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저자 | Travis G Novak, Jungmo Kim, Sung Ho Song, Gwang Hoon Jun, Hyojung Kim, Mun Seok Jeong, Seokwoo Jeon |
저널명 | Small |
게재년월 | 2016/1/1 |
Vol. pp | 12권 8호 페이지 994-999 |
PEG‐functionalized graphene quantum dots (GQDs) are shown to promote fast exciton dissociation in organic solar cells. Short‐chain PEG promotes the most favorable interaction with other organic layers, and the overall efficiency is improved by 36% when compared to the reference devices. The mechanism of enhancement is shown to be increased absorption due to fewer charges remaining in the bound state.