화학공학소재연구정보센터
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
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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