Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
Organic photovoltaics (OPVs) are of great interest due to their low-cost, flexible and eco-friendly properties for future energy source. In this talk, we demonstrate that nanocrystalline zinc oxide thin film doped with various metals as an interlayer can remarkably enhance the efficiency of inverted polymer photovoltaics based on the bulk heterojunction with the mixture of [6,6]-phenyl C71-butyric acid methyl ester (PC70BM) and diverse donors, such as poly[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b]dithiophene-2,6-diyl][3-fluoro-2-[(2- ethylhexyl)carbonyl]thieno[3,4-b]-thiophenediyl (PTB7) and poly[[9-(1-octylnonyl)-9H-carbazole-2,7-diyl]-2,5-thiophenediyl-2,1,3-benzothiadiazole-4,7-diyl-2,5-thiophenediyl] (PCDTBT). Recently, it was reported that metal doping of ZnO thin film such as Li, Al, or Ga is an effective way to modify the grain size and orientation of ZnO crystallites. It can highly affect the structural, optical and electrical properties. Here, we adopted various metal dopants to inverted organic solar cells. As a result, the doped ZnO film with a number of dopants, such as Al, Ga, In, Li and Cd, was prepared by sol-gel spin coating method and a certain doping concentration is obtained in each case. Al doped ZnO (AZO) film with ca. 6 at. % Al concentration, for the case, was intercalated between the ITO electrode and the active layer (PTB7:PC70BM), the power conversion efficiency increases from 6.1 % to 8.4 %.
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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
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.