One-step synthesis of carbon nanosheets converted from a polycyclic compound and their direct use as transparent electrodes of ITO-free organic solar cells

Title
One-step synthesis of carbon nanosheets converted from a polycyclic compound and their direct use as transparent electrodes of ITO-free organic solar cells
Authors
손수영노용진복창석이성호김병각나석인조한익
Keywords
carbon nanosheet; graphene; organic photovoltaics; polycyclic compound; organic solar cells
Issue Date
2014-01
Publisher
Nanoscale
Citation
VOL 6, NO 2, 678-682
Abstract
Through a catalyst- and transfer-free process, we fabricated indium tin oxide (ITO)-free organic solar cells (OSCs) using a carbon nanosheet (CNS) with properties similar to graphene. The morphological and electrical properties of the CNS derived froma polymer of intrinsic microporosity-1 (PIM-1), which is mainly composed of several aromatic hydrocarbons and cycloalkanes, can be easily controlled by adjusting the polymer concentration. The CNSs, which are prepared by simple spin-coating and heat-treatment on a quartz substrate, are directly used as the electrodes of ITO-free OSCs, showing a high efficiency of approximately 1.922% under 100 mW cm-2 illumination and air mass 1.5 G conditions. This catalyst- and transfer-free approach is highly desirable for electrodes in organic electronics.
URI
http://pubs.kist.re.kr/handle/201004/47078
ISSN
20403364
Appears in Collections:
KIST Publication > Article
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