Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
The field of conjugated polymers for polymer solar cells (PSCs) has been studied intensively over the past two decades. The primary focus is still to reach high power conversion efficiencies using highly advanced polymers in small-area PSCs. Nowadays, the focus also includes the processing of PSCs on a large scale and their long-term stability. The stability of PSCs has increased from minutes to years, which has been done both by using stable monomer units [J. Mater. Chem., 2011, 21, 3222] and focusing on the side chains. Vanderzande et al. [Macromolecules, 2011, 44, 8470]described an increase in the thermal stability of a bulk heterojunction active layer blend based on a poly(p-phenylene vinylene) derivative by replacing the dimethyloctyloxy side chains with 2-phenylethoxy groups, leading to a noticeable increase in the glass transition temperature of the resulting polymer material. Further studies on poly(3-alkylthiophene) materials showed the influence of partly exchanging the side chains with other functional groups to result in more stable PSCs [Org. Electron., 2014, 15, 549].Polymers found to be suitable in a roll-coating process [Adv. Energy Mater., 2015, 5, 1402186] were manipulated by changing the side chains to influence the long-term stability. One example of such a polymer is a low band gap polymer based on benzo[1,2-b:4,5-b’]dithiophene donor and benzo[c][1,2,5]thiadiazole acceptor parts. To ensure a high solubility of the polymers in organic solvents, only 5 and 10% of the side chains were exchanged. In this presentation, the influence of such manipulation of the solubilizing side chains on the solar cell performance and their lifetime will be presented.
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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.