학회 |
한국화학공학회 |
학술대회 |
2013년 가을 (10/23 ~ 10/25, 대구 EXCO) |
권호 |
19권 2호, p.1865 |
발표분야 |
재료 |
제목 |
Graphene Base Invert Solar Cells with Highly Conductive and Dispersible Pyrenecarboxylic Acid-Grafted Graphene Oxides |
초록 |
A novel, simple low-temperature reduction method without annealing is proposed for highly conductive and dispersible graphene sheet. This method consists of the grafting of graphene oxide (GO) with 1-pyrenecarboxylic acid (PCA), the exothermic reduction of PCA-grafted GO with a minimal amount of hydrazine, and the endothermic deoxygenation by NaOH with reflux. The reduced PCA-grafted graphene oxide (rGO/PCA) yielded considerably high solubility and conductivity of ~ 1.52x105 S/m vis-à-vis that of pristine graphene (i.e., 1.59*105 S/m). The solar cell fabricated using the mixture of rGO/PCA and P3HT as active layer and electron extraction layer showed power conversion efficiency ten times larger than that only with P3HT. |
저자 |
Tahmineh Mahmoudi1, Hwa Young Yang2, Vahid KarimKhani3, 노원엽2, 한윤봉3
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소속 |
1전북대, 2School of Semiconductor and Chemical Engineering, 3Nanomaterials Processing Research Center Chonbuk National Univ. |
키워드 |
Graphene; solar cell; Inverted type
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E-Mail |
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VOD |
VOD 보기 |
원문파일 |
초록 보기 |