Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Organic Solar Cells (OSCs) based on organic semiconductors are currently attracting a great attention due to advantage of solution process, ease of fabrication and potential of flexible device. Despite these advantages, photovoltaic performance of OPVs is still low because organic semiconductors have limited absorption property, low absorption coefficient and low electron mobility. To record the high performance for OSCs, studies have been conducted on synthesizing developed structure of organic semiconductors with novel photovoltaic property and modifying device structure to improving charge transporting property.
In inverted-OSCs (i-OSCs), PEDOT:PSS, hole extraction layer (HEL) with high conductivity and transparency, was introduced on photoactive layer via solution process. However, the corrosive nature of PSS (polystyrene sulfonate) is harmful for photoactive layer with respect to stability of device. It can be good alternative that introducing modified HEL on photoactive layer like neutral polyelectrolytes, metal oxides and hybrid materials via solution process to increasing photovoltaic performance and stability. Among them, conjugated polyelectrolytes and metal oxide precursor hybrid layer is attractive HEL for protecting photoactive layer and improving charge transporting property.
In this study, we fabricated i-OSCs with solution processed organic-inorganic hybrid HEL with conjugated polyelectrolytes and metal oxides precursor to enhanced performance and stability in ambient air. As a results, hybrid HEL introduced device exhibited enhanced stability in ambient air than PEDOT:PSS based device.
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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.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
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