標題: Efficient inverted quasi-bilayer organic solar cells fabricated by using non-halogenated solvent processes
作者: Chang, Jung-Hao
Wang, Hsiao-Fang
Lin, Wei-Chieh
Chiang, Kai-Ming
Chen, Kuan-Chen
Huang, Wei-Ching
Huang, Zheng-Yu
Meng, Hsin-Fei
Ho, Rong-Ming
Lin, Hao-Wu
物理研究所
Institute of Physics
公開日期: 7-九月-2014
摘要: Here we demonstrate the fabrication of novel, "quasi-bilayer" inverted organic photovoltaic devices using halogen-free solvents. The inferior solubility of pristine fullerene in non-halogenated solvents was used to control the interpenetration of upper polymeric donor layers with bottom fullerene layers. Notably, island-like nano-morphologies were revealed by AFM, SEM, TEM, cross-sectional TEM images and PL quenching measurement. Correlation between device performance, thin-film nano-morphology and ac impedance was observed. High efficiencies of 6.55% and 7.15% were observed for PBDTTT-C-T and PTB7 cells, respectively. These results demonstrate that this novel process not only offers an effective new method to control the morphology of solar active layers but, more importantly, could also be applied to a wide range of current material systems to produce efficient devices that comply with the non-toxic halogen-free requirement.
URI: http://dx.doi.org/10.1039/c4ta02453b
http://hdl.handle.net/11536/25027
ISSN: 2050-7488
DOI: 10.1039/c4ta02453b
期刊: JOURNAL OF MATERIALS CHEMISTRY A
Volume: 2
Issue: 33
起始頁: 13398
結束頁: 13406
顯示於類別:期刊論文


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