journal article·2019-08-01Open access

Fluorine doped tin oxide as an alternative of indium tin oxide for bottom electrode of semi-transparent organic photovoltaic devices

Amirah Way, Joel Luke, Alex D. Evans, Zhe Li, Ji-Seon Kim, James R. Durrant, Harrison Ka Hin Lee, Wing C. Tsoi

AIP Advances· Volume 9· Issue 8

Abstract

Indium tin oxide (ITO) is commonly used as the transparent bottom electrode for organic solar cells. However, it is known that the cost of the ITO is quite high due to the indium element, and in some studies ITO coated glass substrate is found to be the most expensive component of device fabrication. Moreover, indium migration from ITO can cause stability issues in organic solar cells. Nevertheless, the use of ITO as the bottom electrode is still dominating in the field. Here, we explore the possibility of using fluorine doped tin oxide (FTO) as an alternative to ITO for the bottom electrode of organic solar cells particularly on semi-transparent cells. We present side-by-side comparisons on their optical, morphological and device properties and suggest that FTO could be more suitable than ITO as the bottom electrode for glass substrate based organic photovoltaic devices.
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Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Thin-Film Transistor Technologies · Conducting polymers and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

SPECIFIC, College of Engineering, Swansea University 1 , SA1 8EN Swansea, United Kingdom

Department of Physics, Imperial College London 2 , SW7 2AZ London, United Kingdom

School of Physics and Astronomy, Cardiff University 3 , Cardiff CF24 3AA, United Kingdom

School of Engineering, Cardiff University 4 , CF24 3AA Cardiff, United Kingdom

Department of Chemistry and Centre for Plastic Electronics, Imperial College London 5 , SW7 2AZ London, United Kingdom

Funding

NSG Pilkington and the M2A funding from the European Social Fund through the Welsh Government · Ser Cymru funding from the Welsh Assembly Government · Welsh Assembly Government Ser Cymru II fellowship scheme

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