Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics 2018 (AP-HOPV18)
Publication date: 27th October 2017
Here, we introduce flexible transparent and highly conductive ultra-thin silver films using an amine-containing nonconjugated polyelectrolytes (NPEs) as a nuclei inducer. In general, thermally evaporated silver on dielectric substrates forms granular-like non-continuous films below the percolation threshold thickness (~15 nm) because of the surface energy mismatch between the two materials. By using amine-containing NPEs as a nucleation inducer, the coordination bonds between silver and amines in the NPE lead to the formation of well-ordered metal nuclei, resulting in continuous ultra-thin silver films. Optical and electrical performances of electrodes are significantly improved with increasing contents of amine in nuclei inducers because coordination bonds between silver and amines are well formed in the amine-rich film. By using NPEs as a nuclei inducer and a conductive polymer as a facile antireflection layer, we obtain high quality flexible and transparent electrodes that exhibit high transmittance of 92% at 550 nm and a superior sheet resistance of 9 Ω/□. The polymer solar cells using NPE/silver/conducting polymer electrode achieve superior performance of 9.9% on PEN substrate.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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