| Summary: | New market trend for organic solar cell (OSC) require lightweight, cost effective, environmentally friendly and flexible. Transparent conductive electrode (TCE) is a main building block in organic solar cell in determining the device performance. Indium tin oxide (ITO) is widely used as transparent conductive material however it has major drawbacks due to relatively expensive, brittle and it limited to use on flexible substrate. This paper provides a short review of the transparent conductive electrode material which required for OSC applications. Issues related with existing TCE material such as ITO is also highlighted. Thus, alternative green material resources which offer low cost, environmentally friendly, mechanically robust and low sheet resistances are strongly required. Graphene is suitable candidate due to their outstanding properties such as good electrical, green material, chemical and thermally stable as well as remarkable mechanical strength and flexibility. The performance of transparent graphene electrode using low cost fabrication method which related with electrical, optical and power conversion efficiency was reviewed. We believed this work will provide beneficial input toward the improvement of OSC device performance © (2014) Trans Tech Publications, Switzerland.
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