Highly Flexible Silver Nanowire/PEDOT:PSS Hybrid Electrodes for ITO-free Polymer Solar-Cell
- Highly Flexible Silver Nanowire/PEDOT:PSS Hybrid Electrodes for ITO-free Polymer Solar-Cell
- 왕병용; 김준섭; 임대순; 오영제
- Transparent electrode; OPV; Silver nanaowire; Flexible electronics; Hybrid composite
- Issue Date
- Multifunctional, Hybrid and Nanomaterials (Hybrid Materials 2013)
- Transparent electrode is a critical component of thin-film optoelectronic devices such as smart window, flat panel display, solar cell, and OLED etc. Most transparent conducting layers are mainly composed of sputtered indium tin oxide (ITO). However, because indium is an expensive limited resource, new transparent conducting material as substitute for ITO is strongly needed. Furthermore, ITO conductive films deposited on flexible substrates are not satisfactory in terms of flexibility and are readily degraded when exposed to plasma, resulting in deterioration of their physical characteristics.
In this work, we fabricated the ITO-free Photovoltaic devices(PVDs) using silver nanowire/PEDOT:PSS hybrid transparent film as an anode with low surface resistance and high conductivity in the form of organic–inorganic hybrid composite. As a result, high efficiency(>3%) was observed for the device with the silver nanowire/PEDOT:PSS hybrid anode having a sheet resistance of 21Ω/sq (200nm) and 85% transmittance.
Besides, the silver nanowire/PEDOT:PSS hybrid composite were useful as replacements for the existing conductive materials, such as ITO, conductive polymers, carbon nanotubes and graphenes.
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